{"id":6181,"date":"2025-05-25T12:01:00","date_gmt":"2025-05-25T04:01:00","guid":{"rendered":"https:\/\/kabolux.com\/?p=6181"},"modified":"2025-05-16T15:27:44","modified_gmt":"2025-05-16T07:27:44","slug":"pressure-testing-of-cable-harnesses-for-deep-sea-submersibles","status":"publish","type":"post","link":"https:\/\/kabolux.com\/fr\/pressure-testing-of-cable-harnesses-for-deep-sea-submersibles\/","title":{"rendered":"Pressure Testing of Cable Harnesses for Deep-Sea Submersibles"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-pressure-testing-of-cable-harnesses-for-deep-sea-submersibles\" style=\"font-size:44px;line-height:1.6\">Pressure Testing of Cable Harnesses for Deep-Sea Submersibles<\/h2><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6df1\u6d77\u63a2\u6d4b\u673a4.png\" alt=\"\" class=\"wp-image-6297\" style=\"object-fit:cover;width:800px;height:600px\"\/><\/figure><div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"has-link-color has-text-color has-luminous-vivid-orange-color wp-block-post-date wp-elements-928aeebb4135cd950929cd559aa1f634\"><time datetime=\"2025-05-25T12:01:00+08:00\">2025 \u5e74 5 \u6708 25 \u65e5<\/time><\/div><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h5>Table of contents<\/h5><ul><li><a href=\"#h-pressure-testing-of-cable-harnesses-for-deep-sea-submersibles\" data-level=\"2\">Pressure Testing of Cable Harnesses for Deep-Sea Submersibles<\/a><ul><li><a href=\"#h-environmental-pressure-testing\" data-level=\"3\">\u25b6 Environmental Pressure Testing<\/a><\/li><li><a href=\"#h-mechanical-pressure-testing\" data-level=\"3\">\u25b6 Mechanical Pressure Testing<\/a><\/li><li><a href=\"#h-electrical-performance-testing\" data-level=\"3\">\u25b6 Electrical Performance Testing<\/a><\/li><li><a href=\"#h-long-term-stability-testing\" data-level=\"3\">\u25b6 Long-Term Stability Testing<\/a><\/li><li><a href=\"#h-safety-amp-redundancy-testing\" data-level=\"3\">\u25b6 Safety &amp; Redundancy Testing<\/a><\/li><li><a href=\"#h-testing-standards-amp-certification\" data-level=\"3\">\u25b6 Testing Standards &amp; Certification<\/a><\/li><\/ul><\/li><\/ul><\/div><div style=\"height:150px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h3 class=\"wp-block-heading\" id=\"h-environmental-pressure-testing\" style=\"font-size:36px;line-height:1.6\">\u25b6 Environmental Pressure Testing<\/h3><div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-1896250ff7e9d3c010de7e773381af7a\" id=\"h-1-hydrostatic-pressure-testing\" style=\"font-size:28px;line-height:1.6\"><em>1. Hydrostatic Pressure Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-9975e67fefaa7f41cb6a93c977522884\" id=\"h-purpose\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-validate-the-sealing-performance-and-structural-integrity-of-the-cable-harness-under-extreme-deep-sea-hydrostatic-pressure-e-g-mariana-trench-11-000-meters-depth-equivalent-to-110-mpa\" style=\"font-size:15px;line-height:1.6\">To validate the sealing performance and structural integrity of the cable harness under extreme deep-sea hydrostatic pressure (e.g., Mariana Trench, 11,000 meters depth, equivalent to ~110 MPa).<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-c64b8b23d9ea8be142bf6b83bc3ea718\" id=\"h-test-methods\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Equipment<\/strong>: High-pressure chamber compliant with ISO 13628-5, filled with deionized water or synthetic seawater.<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Place the cable harness in the chamber and pressurize to the target pressure (e.g., 120 MPa with safety margin) at 1 MPa\/min.<\/li>\n\n<li>Maintain pressure for 24-72 hours to simulate long-term deep-sea operation.<\/li>\n\n<li>Inspect physical integrity and electrical performance after decompression.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-5e60795efbf42238e832807f24f6ae05\" id=\"h-key-metrics\" style=\"font-size:22px;line-height:1.6\">Key Metrics<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Sealing<\/strong>: No leakage at connectors or jacket interfaces (detected by pressure sensors and visual inspection).<\/li>\n\n<li><strong>Insulation Resistance<\/strong>: \u2265100 M\u03a9 after pressurization (measured by a megohmmeter).<\/li>\n\n<li><strong>Deformation<\/strong>: Radial expansion rate of insulation layer \u22645% (recorded via laser scanning).<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6c34\u538b\u8bd5\u9a8c-1024x683.jpeg\" alt=\"\" class=\"wp-image-6263\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6c34\u538b\u8bd5\u9a8c-1024x683.jpeg 1024w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6c34\u538b\u8bd5\u9a8c-768x512.jpeg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6c34\u538b\u8bd5\u9a8c-1536x1024.jpeg 1536w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6c34\u538b\u8bd5\u9a8c-600x400.jpeg 600w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6c34\u538b\u8bd5\u9a8c.jpeg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-444f266ba0d499a004bf9c6a85c8e801\" id=\"h-2-thermal-cycling-testing\" style=\"font-size:28px;line-height:1.6\"><em>2. Thermal Cycling Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-15efa709e0e150235d735bad4f2580a0\" id=\"h-purpose-0\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-evaluate-the-material-stability-of-the-cable-harness-under-alternating-low-temperature-deep-sea-conditions-0-4-c-and-high-temperature-operation-e-g-motor-heating-up-to-80-c\" style=\"font-size:15px;line-height:1.6\">To evaluate the material stability of the cable harness under alternating low-temperature deep-sea conditions (0-4\u00b0C) and high-temperature operation (e.g., motor heating up to 80\u00b0C).<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-854b9825109d71284f57c5bfbcd86565\" id=\"h-test-methods-0\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Equipment<\/strong>: Pressure chamber with integrated temperature control module (range: -10\u00b0C to 150\u00b0C).<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Cycle temperature under high pressure (100 MPa): -5\u00b0C (30 min) \u219280\u00b0C (30 min), repeated 100 times.<\/li>\n\n<li>Monitor resistance variation, jacket cracking, and connector oxidation.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-de3f458761736ded1ed618a7a9d9ee32\" id=\"h-key-failure-modes\" style=\"font-size:22px;line-height:1.6\">Key Failure Modes<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Thermal Fatigue<\/strong>: Micro-cracks caused by repeated expansion\/contraction of the jacket.<\/li>\n\n<li><strong>Contact Degradation<\/strong>: Increased impedance due to oxidation of metal connectors under temperature swings.<\/li><\/ul><ul><li><strong>Thermal Fatigue<\/strong>: Micro-cracks caused by repeated expansion\/contraction of the jacket.<\/li>\n\n<li><strong>Contact Degradation<\/strong>: Increased impedance due to oxidation of metal connectors under temperature swings.<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"640\" height=\"853\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u96c6\u6210\u7535\u8def\u6e29\u5ea6\u63a7\u5236\u8bbe\u5907.jpeg\" alt=\"\" class=\"wp-image-6259\" style=\"width:300px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u96c6\u6210\u7535\u8def\u6e29\u5ea6\u63a7\u5236\u8bbe\u5907.jpeg 640w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u96c6\u6210\u7535\u8def\u6e29\u5ea6\u63a7\u5236\u8bbe\u5907-600x800.jpeg 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-530453c290b7bb8cc9896b9c8b2cca70\" id=\"h-3-corrosion-testing\" style=\"font-size:28px;line-height:1.6\"><em>3. Corrosion Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-fe2531a4df0d7442dd59e487a468d4f3\" id=\"h-purpose-1\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-analyze-the-long-term-corrosion-effects-of-seawater-chemistry-high-salinity-low-oxygen-microbes-on-metal-components-and-insulation-materials\" style=\"font-size:15px;line-height:1.6\">To analyze the long-term corrosion effects of seawater chemistry (high salinity, low oxygen, microbes) on metal components and insulation materials.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-3b6bc9401b135343e0b41f27d795c943\" id=\"h-test-methods-1\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Solution Preparation<\/strong>: Acidic saline solution (pH=5.5, salinity 35\u2030) with sulfate-reducing bacteria (SRB) to simulate deep-sea conditions.<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Immerse the cable harness in the solution within a pressure chamber (50 MPa) at 4\u00b0C.<\/li>\n\n<li>After 30 days, measure metal corrosion rate, insulation weight loss, and microbial colonization.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-7674cc89a1ff6698b04216ebb27a24f8\" id=\"h-evaluation-criteria\" style=\"font-size:22px;line-height:1.6\"><strong>Evaluation Criteria<\/strong><\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Metal Components<\/strong>: Corrosion area \u22641% (per ASTM G1-03).<\/li>\n\n<li><strong>Polymer Jacket<\/strong>: Weight loss \u22640.5% (per ISO 1817 aging test).<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"667\" height=\"500\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6d77\u6c34\u5faa\u73af\u8150\u8680\u6d4b\u8bd5.jpeg\" alt=\"\" class=\"wp-image-6261\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6d77\u6c34\u5faa\u73af\u8150\u8680\u6d4b\u8bd5.jpeg 667w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6d77\u6c34\u5faa\u73af\u8150\u8680\u6d4b\u8bd5-600x450.jpeg 600w\" sizes=\"(max-width: 667px) 100vw, 667px\" \/><\/figure><div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-11a0243299bfef7435d98506942db620\" id=\"h-the-above-tests-comprehensively-validate-the-reliability-of-cable-harnesses-in-extreme-deep-sea-environments-providing-critical-data-for-design-optimization\" style=\"font-size:15px;line-height:1.6\">\u25b7 <em>The above tests comprehensively validate the reliability of cable harnesses in extreme deep-sea environments, providing critical data for design optimization.<\/em><\/h6><div style=\"height:150px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h3 class=\"wp-block-heading\" id=\"h-mechanical-pressure-testing\" style=\"font-size:36px;line-height:1.6\">\u25b6 Mechanical Pressure Testing<\/h3><div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-d7f826a14482387294f1eb2d082b6009\" id=\"h-1-bending-fatigue-testing\" style=\"font-size:28px;line-height:1.6\"><em>1. Bending Fatigue Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-f7f12c67e32661283c8b9367be8b9b75\" id=\"h-purpose-2\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-verify-the-durability-of-the-cable-harness-under-repeated-bending-during-deployment-retrieval-or-seabed-movement-preventing-conductor-breakage-or-jacket-cracking-due-to-mechanical-fatigue\" style=\"font-size:15px;line-height:1.6\">To verify the durability of the cable harness under repeated bending during deployment, retrieval, or seabed movement, preventing conductor breakage or jacket cracking due to mechanical fatigue.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-d747d7f8fd5508f73ea33c92ed993a53\" id=\"h-test-methods-2\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Equipment<\/strong>: Servo-driven robotic arm (programmable bending radius and frequency), high-precision fracture detection sensors.<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Fix the cable harness on the robotic arm and perform cyclic bending at a preset radius (typically 5-10 times the cable diameter).<\/li>\n\n<li>Set cycles (e.g., 100,000 times) at a frequency of 10 cycles\/minute.<\/li>\n\n<li>Monitor conductor resistance in real-time and inspect jacket cracks post-test.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-185e8aa662295873d1e5169bf5846c7f\" id=\"h-key-metrics-0\" style=\"font-size:22px;line-height:1.6\">Key Metrics<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Bending Radius<\/strong>: \u226410\u00d7 cable diameter (to avoid excessive stress).<\/li>\n\n<li><strong>Failure Criteria<\/strong>: Conductor resistance variation \u226510% or visible jacket cracks.<\/li><\/ul><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5f2f\u66f2\u8bd5\u9a8c.jpg\" alt=\"\" class=\"wp-image-6265\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5f2f\u66f2\u8bd5\u9a8c.jpg 800w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5f2f\u66f2\u8bd5\u9a8c-600x600.jpg 600w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5f2f\u66f2\u8bd5\u9a8c-180x180.jpg 180w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5f2f\u66f2\u8bd5\u9a8c-768x768.jpg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5f2f\u66f2\u8bd5\u9a8c-300x300.jpg 300w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5f2f\u66f2\u8bd5\u9a8c-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-a37752e2274bfc1e204c7a08b1fc23bf\" id=\"h-2-tensile-testing\" style=\"font-size:28px;line-height:1.6\"><em>2. Tensile Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-3032aae03866d0c5e14c76104554084b\" id=\"h-purpose-3\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-evaluate-the-tensile-strength-of-the-cable-harness-under-deep-sea-towing-current-impact-or-equipment-weight-ensuring-no-conductor-breakage-or-connector-detachment\" style=\"font-size:15px;line-height:1.6\">To evaluate the tensile strength of the cable harness under deep-sea towing, current impact, or equipment weight, ensuring no conductor breakage or connector detachment.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-734c0460ef3155ae999c3472706c7da9\" id=\"h-test-methods-3\" style=\"font-size:22px;line-height:1.6\"><strong>Test Methods<\/strong><\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Equipment<\/strong>: Universal testing machine (capacity \u226550 kN) with a temperature chamber (simulating 0-30\u00b0C water).<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Clamp both ends of the cable harness and apply axial tension at 5 mm\/min until reaching the target load (e.g., 1.5\u00d7 working load).<\/li>\n\n<li>Maintain maximum load for 5 minutes to observe breakage or slippage.<\/li>\n\n<li>Record breaking force and deformation curve.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-8f6c0319cf701fd8ca3a41057b331453\" id=\"h-evaluation-criteria-0\" style=\"font-size:22px;line-height:1.6\"><strong><strong>Evaluation Criteria<\/strong><\/strong><\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Tensile Strength<\/strong>: Breaking force of conductors and connectors \u2265150% of design value (per IEC 61156-5).<\/li>\n\n<li><strong>Deformation Limit<\/strong>: Total length variation \u22642% after stretching.<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"749\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7535\u7f06\u62fc\u63a5\u7ebf\u675f\u62c9\u4f38\u6d4b\u8bd5-1024x749.jpeg\" alt=\"\" class=\"wp-image-6267\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7535\u7f06\u62fc\u63a5\u7ebf\u675f\u62c9\u4f38\u6d4b\u8bd5-1024x749.jpeg 1024w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7535\u7f06\u62fc\u63a5\u7ebf\u675f\u62c9\u4f38\u6d4b\u8bd5-768x561.jpeg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7535\u7f06\u62fc\u63a5\u7ebf\u675f\u62c9\u4f38\u6d4b\u8bd5-1536x1123.jpeg 1536w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7535\u7f06\u62fc\u63a5\u7ebf\u675f\u62c9\u4f38\u6d4b\u8bd5-600x439.jpeg 600w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7535\u7f06\u62fc\u63a5\u7ebf\u675f\u62c9\u4f38\u6d4b\u8bd5.jpeg 1751w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-8a54a13d9492ab429aea32c62105e1cf\" id=\"h-3-torsion-amp-vibration-testing\" style=\"font-size:28px;line-height:1.6\"><em>3. Torsion &amp; Vibration Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-5a88bb4d857edb11c4017c52d8a05a92\" id=\"h-purpose-4\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-simulate-torsion-and-vibration-during-complex-seabed-movements-ensuring-signal-stability-under-dynamic-mechanical-stress\" style=\"font-size:15px;line-height:1.6\">To simulate torsion and vibration during complex seabed movements, ensuring signal stability under dynamic mechanical stress.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-7f80bcefa7443a8ea019b7b28a0914db\" id=\"h-test-methods-4\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p class=\"has-vivid-purple-color has-text-color has-link-color wp-elements-9942d7fdba4b2291893c9ce2c3e3fffe\" style=\"font-size:17px\"><strong>Torsion Testing<\/strong><\/p><ul><li><strong>Equipment<\/strong>: Electric torsion tester (max torque 500 N\u00b7m).<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Fix one end of the cable harness and apply \u00b1180\u00b0 reciprocating torsion at 1 Hz for 1000 cycles.<\/li>\n\n<li>Monitor conductor continuity and jacket delamination.<\/li><\/ol><\/li><\/ul><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p class=\"has-vivid-purple-color has-text-color has-link-color wp-elements-e7afa682d10f7387eb76c5f68c8bbd05\" style=\"font-size:17px\"><strong>Vibration Testing<\/strong><\/p><ul><li><strong>Equipment<\/strong>: Triaxial vibration shaker (frequency range 5-2000 Hz, acceleration 20 g).<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Set random vibration profiles per ISO 10816-3 (simulating underwater turbulence).<\/li>\n\n<li>Conduct vibration for 4 hours, checking connector loosening or signal loss.<\/li><\/ol><\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u626d\u8f6c\u4e0e\u632f\u52a8\u6d4b\u8bd5-1024x576.jpg\" alt=\"\" class=\"wp-image-6269\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u626d\u8f6c\u4e0e\u632f\u52a8\u6d4b\u8bd5-1024x576.jpg 1024w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u626d\u8f6c\u4e0e\u632f\u52a8\u6d4b\u8bd5-768x432.jpg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u626d\u8f6c\u4e0e\u632f\u52a8\u6d4b\u8bd5-1536x864.jpg 1536w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u626d\u8f6c\u4e0e\u632f\u52a8\u6d4b\u8bd5-600x338.jpg 600w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u626d\u8f6c\u4e0e\u632f\u52a8\u6d4b\u8bd5.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-6752e90f82b7ffb296fcae68282e825e\" id=\"h-key-parameters\" style=\"font-size:22px;line-height:1.6\">Key Parameters<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-table is-style-stripes has-small-font-size\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>Test Type<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Parameters<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Standard<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Torsion Testing<\/td><td class=\"has-text-align-left\" data-align=\"left\">Angle: \u00b1180\u00b0<\/td><td class=\"has-text-align-left\" data-align=\"left\">IEC 60512-28-100<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Vibration Testing<\/td><td class=\"has-text-align-left\" data-align=\"left\">Acceleration: 20 g, 4h<\/td><td class=\"has-text-align-left\" data-align=\"left\">ISO 10816-3<\/td><\/tr><\/tbody><\/table><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-fa828e3b3df65c3b9ca21ba1889a393d\" id=\"h-4-impact-testing\" style=\"font-size:28px;line-height:1.6\"><em>4. Impact Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-58a0c3b4c738d4b149d74fcac36307bd\" id=\"h-purpose-5\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-validate-the-impact-resistance-of-the-cable-harness-during-seabed-contact-or-collision-with-obstacles\" style=\"font-size:15px;line-height:1.6\">To validate the impact resistance of the cable harness during seabed contact or collision with obstacles.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-5043771a4427f677b4e31b14c840702e\" id=\"h-test-methods-5\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Equipment<\/strong>: Drop-weight impact tester (energy range 0-100 J).<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Place the cable harness on a rigid base and impact it with a 10 kg hammer dropped from 1 m height.<\/li>\n\n<li>Repeat 5 times and inspect jacket damage or conductor short circuits.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-c92b106839129315acc7282a36387403\" id=\"h-pass-criteria\" style=\"font-size:22px;line-height:1.6\">Pass Criteria<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Appearance<\/strong>: No jacket rupture or metal deformation.<\/li>\n\n<li><strong>Electrical Performance<\/strong>: Insulation resistance \u226550 M\u03a9 post-impact.<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"667\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7ebf\u675f\u7aef\u5b50\u51b2\u51fb\u6d4b\u8bd5.jpeg\" alt=\"\" class=\"wp-image-6271\" style=\"width:400px\"\/><\/figure><div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-d1e3581f23931a2f7c3fce45746e3296\" id=\"h-mechanical-pressure-testing-ensures-the-reliability-of-cable-harnesses-under-dynamic-and-complex-loads-guaranteeing-long-term-stable-power-and-signal-transmission-for-deep-sea-explorers\" style=\"font-size:15px;line-height:1.6\">\u25b7 <em><em>Mechanical pressure testing ensures the reliability of cable harnesses under dynamic and complex loads, guaranteeing long-term stable power and signal transmission for deep-sea explorers.<\/em><\/em><\/h6><div style=\"height:150px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h3 class=\"wp-block-heading\" id=\"h-electrical-performance-testing\" style=\"font-size:36px;line-height:1.6\">\u25b6 Electrical Performance Testing<\/h3><div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-0f517ea25e1ef750ff07158e106a223c\" id=\"h-1-high-voltage-insulation-resistance-testing\" style=\"font-size:28px;line-height:1.6\"><em>1. High-Voltage Insulation Resistance Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-9b31adef98690fa794f007649f34e2a1\" id=\"h-purpose-6\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-validate-the-reliability-of-insulation-materials-under-high-pressure-deep-sea-conditions-preventing-current-leakage-or-short-circuits\" style=\"font-size:15px;line-height:1.6\">To validate the reliability of insulation materials under high-pressure deep-sea conditions, preventing current leakage or short circuits.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-f392d4a51946897d446b3439590fe8dc\" id=\"h-test-methods-6\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Equipment<\/strong>: High-pressure chamber integrated with a megohmmeter (range: 0.1 M\u03a9\u201310 G\u03a9) and DC voltage source (0\u20135000 V).<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Place the cable harness in the chamber and pressurize to the target pressure (e.g., 110 MPa).<\/li>\n\n<li>Apply 500 V DC for 1 minute, measure insulation resistance between conductors and shielding.<\/li>\n\n<li>Repeat 3 times and take the minimum value as the final result.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-69c179be54982a200a071a50fa697fd1\" id=\"h-key-metrics-1\" style=\"font-size:22px;line-height:1.6\">Key Metrics<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Insulation Resistance<\/strong>: \u2265100 M\u03a9 (per IEC 60243-1).<\/li>\n\n<li><strong>Stability<\/strong>: Measurement fluctuation \u22645% across three tests.<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u9ad8\u538b\u7edd\u7f18\u7535\u963b\u6d4b\u8bd5-1024x683.jpeg\" alt=\"\" class=\"wp-image-6273\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u9ad8\u538b\u7edd\u7f18\u7535\u963b\u6d4b\u8bd5-1024x683.jpeg 1024w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u9ad8\u538b\u7edd\u7f18\u7535\u963b\u6d4b\u8bd5-768x512.jpeg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u9ad8\u538b\u7edd\u7f18\u7535\u963b\u6d4b\u8bd5-1536x1024.jpeg 1536w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u9ad8\u538b\u7edd\u7f18\u7535\u963b\u6d4b\u8bd5-2048x1365.jpeg 2048w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u9ad8\u538b\u7edd\u7f18\u7535\u963b\u6d4b\u8bd5-600x400.jpeg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-107a681a588623445ab25d3559e31923\" id=\"h-2-conductivity-amp-signal-integrity-testing\" style=\"font-size:28px;line-height:1.6\"><em>2. Conductivity &amp; Signal Integrity Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-6dee59c5344dbbb3eb9a38663bfc5049\" id=\"h-purpose-7\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-ensure-stable-electrical-conductivity-and-signal-transmission-quality-under-high-pressure-vibration-and-other-harsh-conditions\" style=\"font-size:15px;line-height:1.6\">To ensure stable electrical conductivity and signal transmission quality under high pressure, vibration, and other harsh conditions.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-2e920d955bc1d16550ae7d1f94a581ba\" id=\"h-test-methods-7\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Conductivity Test<\/strong>:<ol start=\"1\"><li>Measure conductor resistance with a 4-wire ohmmeter (resolution 0.001 \u03a9) under operational pressure.<\/li>\n\n<li>Compare resistance under ambient vs. high pressure; require \u0394R \u22641%.<\/li><\/ol><\/li>\n\n<li><strong>High-Speed Signal Test<\/strong>:<ol start=\"1\"><li>Use a vector network analyzer (VNA) to measure insertion loss (\u2264-3 dB) and return loss (\u2265-10 dB) at 10 GHz.<\/li>\n\n<li>Analyze 10 Gbps digital signal eye diagrams via oscilloscope; ensure eye height \u22650.3 UI and eye width \u22650.5 UI.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-03f584281766ece31839c33ae38bdeae\" id=\"h-evaluation-criteria-1\" style=\"font-size:22px;line-height:1.6\">Evaluation Criteria<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-table is-style-stripes has-small-font-size\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>Test Type<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Parameters<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Pass Criteria<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Conductivity<\/td><td class=\"has-text-align-left\" data-align=\"left\">Resistance variation (\u0394R)<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u22641%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">High-Frequency Signal<\/td><td class=\"has-text-align-left\" data-align=\"left\">Insertion loss (10 GHz)<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2264-3 dB<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><\/td><td class=\"has-text-align-left\" data-align=\"left\">Return loss (10 GHz)<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2265-10 dB<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Digital Signal<\/td><td class=\"has-text-align-left\" data-align=\"left\">Eye diagram height<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u22650.3 UI<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><\/td><td class=\"has-text-align-left\" data-align=\"left\">Eye diagram width<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u22650.5 UI<\/td><\/tr><\/tbody><\/table><\/figure><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7ebf\u675f\u5bfc\u901a\u6d4b\u8bd5\u53f0.png\" alt=\"\" class=\"wp-image-6275\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7ebf\u675f\u5bfc\u901a\u6d4b\u8bd5\u53f0.png 500w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7ebf\u675f\u5bfc\u901a\u6d4b\u8bd5\u53f0-180x180.png 180w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7ebf\u675f\u5bfc\u901a\u6d4b\u8bd5\u53f0-300x300.png 300w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7ebf\u675f\u5bfc\u901a\u6d4b\u8bd5\u53f0-100x100.png 100w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-76d2d23f26df163e7b11cf8ca02cde23\" id=\"h-3-conductivity-amp-signal-integrity-testing\" style=\"font-size:28px;line-height:1.6\"><em>3. Conductivity &amp; Signal Integrity Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-5a57dfa2395e271cd5349fa22de51c05\" id=\"h-purpose-8\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-verify-the-cable-harness-s-ability-to-withstand-transient-overvoltage-in-high-pressure-environments-avoiding-insulation-breakdown-or-arcing\" style=\"font-size:15px;line-height:1.6\">To verify the cable harness&#8217;s ability to withstand transient overvoltage in high-pressure environments, avoiding insulation breakdown or arcing.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-a9d25dc20f76c5a39d1d4abb834aac4b\" id=\"h-test-methods-8\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Voltage Withstand Test<\/strong>:<ol start=\"1\"><li>Apply 2500 V AC (or 2\u00d7 rated voltage +1000 V) under 110 MPa for 1 minute.<\/li>\n\n<li>Check for breakdown or leakage current exceeding 1 mA (per IEC 60664-1).<\/li><\/ol><\/li>\n\n<li><strong>Arc Testing<\/strong>:<ol start=\"1\"><li>Apply intermittent high-voltage pulses (e.g., 8 kV\/1.2 \u03bcs) in a humid high-pressure environment.<\/li>\n\n<li>Record arc paths with high-speed cameras and analyze insulation self-recovery capability.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-ce2358861a3927e42b1e2b3854f1bfad\" id=\"h-pass-criteria-0\" style=\"font-size:22px;line-height:1.6\">Pass Criteria<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Voltage Withstand<\/strong>: No breakdown or visible discharge.<\/li>\n\n<li><strong>Arc Testing<\/strong>: Insulation material recovers to 90% of initial resistance within 30 seconds.<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"432\" height=\"1024\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u8010\u7535\u538b\u4e0e\u7535\u5f27\u6d4b\u8bd5-432x1024.jpeg\" alt=\"\" class=\"wp-image-6277\" style=\"width:200px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u8010\u7535\u538b\u4e0e\u7535\u5f27\u6d4b\u8bd5-432x1024.jpeg 432w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u8010\u7535\u538b\u4e0e\u7535\u5f27\u6d4b\u8bd5-768x1820.jpeg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u8010\u7535\u538b\u4e0e\u7535\u5f27\u6d4b\u8bd5-648x1536.jpeg 648w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u8010\u7535\u538b\u4e0e\u7535\u5f27\u6d4b\u8bd5-864x2048.jpeg 864w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u8010\u7535\u538b\u4e0e\u7535\u5f27\u6d4b\u8bd5-600x1422.jpeg 600w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u8010\u7535\u538b\u4e0e\u7535\u5f27\u6d4b\u8bd5.jpeg 1080w\" sizes=\"(max-width: 432px) 100vw, 432px\" \/><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-8ebb1462d22cfd13e5fedb36aa490b84\" id=\"h-4-grounding-amp-shielding-effectiveness-testing\" style=\"font-size:28px;line-height:1.6\"><em>4. Grounding &amp; Shielding Effectiveness Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-24e416eb1808f1ed5e9bf8565fb6adc5\" id=\"h-purpose-9\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-evaluate-the-shielding-effectiveness-of-the-cable-harness-against-electromagnetic-interference-emi-under-high-pressure-and-complex-environments\" style=\"font-size:15px;line-height:1.6\">To evaluate the shielding effectiveness of the cable harness against electromagnetic interference (EMI) under high pressure and complex environments.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-f822119a408e4a02228fec889c9076a3\" id=\"h-test-methods-9\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul start=\"1\"><li><strong>Shielding Effectiveness<\/strong>:<ul><li>Measure signal attenuation (\u226560 dB) across 1 MHz\u201310 GHz using a signal generator and spectrum analyzer in the pressure chamber.<\/li><\/ul><\/li>\n\n<li><strong>Grounding Continuity<\/strong>:<ul><li>Apply 50 A current and measure resistance between shielding layer and grounding point (\u22640.1 \u03a9).<\/li><\/ul><\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"824\" height=\"500\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u63a5\u5730\u4e0e\u5c4f\u853d\u6548\u80fd\u6d4b\u8bd5.jpeg\" alt=\"\" class=\"wp-image-6279\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u63a5\u5730\u4e0e\u5c4f\u853d\u6548\u80fd\u6d4b\u8bd5.jpeg 824w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u63a5\u5730\u4e0e\u5c4f\u853d\u6548\u80fd\u6d4b\u8bd5-768x466.jpeg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u63a5\u5730\u4e0e\u5c4f\u853d\u6548\u80fd\u6d4b\u8bd5-600x364.jpeg 600w\" sizes=\"(max-width: 824px) 100vw, 824px\" \/><\/figure><div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-133eb72dae3490d04dd15b5e09de4583\" id=\"h-electrical-performance-testing-ensures-stable-power-transmission-and-signal-quality-in-extreme-deep-sea-environments-providing-reliable-data-and-energy-pathways-for-the-submersible\" style=\"font-size:15px;line-height:1.6\">\u25b7 <em><em><em>Electrical performance testing ensures stable power transmission and signal quality in extreme deep-sea environments, providing reliable data and energy pathways for the submersible.<\/em><\/em><\/em><\/h6><div style=\"height:150px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h3 class=\"wp-block-heading\" id=\"h-long-term-stability-testing\" style=\"font-size:36px;line-height:1.6\">\u25b6 Long-Term Stability Testing<\/h3><div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-7ad5c70945ef3e120ab7220ec08828b3\" id=\"h-1-continuous-load-testing\" style=\"font-size:28px;line-height:1.6\"><em>1. <strong>Continuous Load Testing<\/strong><\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-7563dbb5b3d0269bd020dd1f9ff41293\" id=\"h-purpose-10\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-simulate-the-cable-harness-s-ability-to-sustain-continuous-electrical-and-mechanical-loads-during-long-term-deep-sea-missions-e-g-months-to-years-detecting-performance-degradation-or-latent-failures\" style=\"font-size:15px;line-height:1.6\">To simulate the cable harness&#8217;s ability to sustain continuous electrical and mechanical loads during long-term deep-sea missions (e.g., months to years), detecting performance degradation or latent failures.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-7eaad0bf2ef39360ae6e7d31743d7a03\" id=\"h-test-methods-10\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Equipment<\/strong>: Pressure chamber (integrated temperature\/pressure control), dynamic load simulator.<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Operate the cable harness at full load (e.g., rated current + high-speed signal transmission) under target pressure (110 MPa) and low temperature (4\u00b0C).<\/li>\n\n<li>Conduct testing for 30-90 days, daily logging conductor resistance, insulation resistance, and jacket deformation.<\/li>\n\n<li>Perform comprehensive performance checks (including signal integrity) every 7 days.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-9c4bff4cdde5f1ce4629888b84c8944e\" id=\"h-key-metrics-2\" style=\"font-size:22px;line-height:1.6\"><strong>Key Metrics<\/strong><\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Resistance Stability<\/strong>: Conductor resistance variation \u22642% (vs. initial value).<\/li>\n\n<li><strong>Insulation Degradation<\/strong>: Insulation resistance decline rate \u22645%\/month.<\/li><\/ul><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-3046522fd82d51e93bc20adfd6eef7f4\" id=\"h-2-accelerated-aging-testing\" style=\"font-size:28px;line-height:1.6\"><em>2. Accelerated Aging Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-aaf662bd6cd20c14035ed5bca246d24b\" id=\"h-purpose-11\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-predict-the-service-life-of-the-cable-harness-in-deep-sea-environments-by-accelerating-material-aging-through-intensified-stress-high-temperature-humidity-and-pressure\" style=\"font-size:15px;line-height:1.6\">To predict the service life of the cable harness in deep-sea environments by accelerating material aging through intensified stress (high temperature, humidity, and pressure).<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-e02551ce5b80db827f8d76339d27f6b3\" id=\"h-test-methods-11\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Equipment<\/strong>: Multi-stress aging chamber (pressure 0\u2013150 MPa, temperature -10\u2013150\u00b0C, humidity 0\u2013100% RH).<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Expose the cable harness to accelerated conditions (e.g., 80\u00b0C, 100 MPa, 95% RH) for 1000 hours.<\/li>\n\n<li>Sample every 240 hours to measure jacket hardness, conductor oxidation, and insulation dielectric strength.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-43419bfb3739bf14e83ef77d1d13db41\" id=\"h-evaluation-models\" style=\"font-size:22px;line-height:1.6\">Evaluation Models<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-table is-style-stripes has-small-font-size\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>Acceleration Factor<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Parameters<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Standard<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Arrhenius Model<\/td><td class=\"has-text-align-left\" data-align=\"left\">Reaction rate doubles per 10\u00b0C rise<\/td><td class=\"has-text-align-left\" data-align=\"left\">Arrhenius Equation<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Pressure-Life Model<\/td><td class=\"has-text-align-left\" data-align=\"left\">15% life reduction per 10 MPa pressure increase<\/td><td class=\"has-text-align-left\" data-align=\"left\">ISO 16750-4<\/td><\/tr><\/tbody><\/table><\/figure><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"516\" height=\"430\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u9ad8\u538b\u7ebf\u675f\u7edd\u7f18\u8001\u5316\u6d4b\u8bd5.png\" alt=\"\" class=\"wp-image-6281\" style=\"width:400px\"\/><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-87d6747256b3d017b56d1f90914b16da\" id=\"h-3-cyclic-pressure-testing\" style=\"font-size:28px;line-height:1.6\"><em>3. Cyclic Pressure Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-ece70d347c181309e7ea0d1053236859\" id=\"h-purpose-12\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-verify-the-fatigue-resistance-of-the-cable-harness-under-repeated-pressure-cycles-e-g-frequent-submersible-ascent-descent\" style=\"font-size:15px;line-height:1.6\">To verify the fatigue resistance of the cable harness under repeated pressure cycles (e.g., frequent submersible ascent\/descent).<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-9b8fed2932ea27abd44f68593870f0ba\" id=\"h-test-methods-12\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Equipment<\/strong>: Automated pressure cycling chamber (pressure change rate \u22645 MPa\/s).<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Cycle pressure between 0 MPa \u2192110 MPa \u21920 MPa, 50 cycles\/day.<\/li>\n\n<li>After 30 days, inspect sealing integrity, conductor breakage, and jacket delamination.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-38e6f4eadb7748d45ab4e9b2bbed4bec\" id=\"h-pass-criteria-1\" style=\"font-size:22px;line-height:1.6\">Pass Criteria<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Sealing Integrity<\/strong>: No leakage post-cycling (pressure sensor verification).<\/li>\n\n<li><strong>Mechanical Damage<\/strong>: Jacket delamination area \u22641 mm\u00b2 (microscopic imaging analysis).<\/li><\/ul><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-07f0788892a6fe096bf3464cdbd2e3b0\" id=\"h-4-lifetime-prediction-amp-failure-analysis\" style=\"font-size:28px;line-height:1.6\"><em>4. Lifetime Prediction &amp; Failure Analysis<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-724350c50e85fcf24b507ebd65bb9fa4\" id=\"h-purpose-13\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-build-lifetime-prediction-models-based-on-long-term-test-data-identifying-weak-points-for-design-optimization\" style=\"font-size:15px;line-height:1.6\">To build lifetime prediction models based on long-term test data, identifying weak points for design optimization.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-67e4e3ba671c32591fc5a3b797ac88fb\" id=\"h-analysis-methods\" style=\"font-size:22px;line-height:1.6\">Analysis Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ol start=\"1\"><li><strong>Weibull Distribution Model<\/strong>: Analyze failure time data to calculate reliability (e.g., R(t)=99.9%@10 years).<\/li>\n\n<li><strong>Finite Element Simulation<\/strong>: Simulate material creep and fatigue crack growth under long-term stress via ANSYS.<\/li>\n\n<li><strong>Destructive Analysis<\/strong>: Dissect aged cables to observe conductor oxidation paths and microscopic insulation cracks.<\/li><\/ol><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-9e1b5e5daea47f8ec67690f2521bd448\" id=\"h-key-outputs\" style=\"font-size:22px;line-height:1.6\">Key Outputs<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-table is-style-stripes has-small-font-size\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>Analysis Type<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Output Parameters<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Optimization Direction<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Weibull Analysis<\/td><td class=\"has-text-align-left\" data-align=\"left\">Shape parameter \u03b2=1.2, scale parameter \u03b7=15 years<\/td><td class=\"has-text-align-left\" data-align=\"left\">Enhance jacket fatigue resistance<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Finite Element Simulation<\/td><td class=\"has-text-align-left\" data-align=\"left\">Max stress concentration at connectors<\/td><td class=\"has-text-align-left\" data-align=\"left\">Optimize connector geometry<\/td><\/tr><\/tbody><\/table><\/figure><div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-873e1efb46babc7469cf6ea095edf784\" id=\"h-long-term-stability-testing-quantifies-the-durability-of-cable-harnesses-in-extreme-deep-sea-environments-providing-scientific-foundations-for-mission-planning-maintenance-strategies-and-material-selection\" style=\"font-size:15px;line-height:1.6\">\u25b7 <em><em><em><em>Long-term stability testing quantifies the durability of cable harnesses in extreme deep-sea environments, providing scientific foundations for mission planning, maintenance strategies, and material selection.<\/em><\/em><\/em><\/em><\/h6><div style=\"height:150px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h3 class=\"wp-block-heading\" id=\"h-safety-amp-redundancy-testing\" style=\"font-size:36px;line-height:1.6\">\u25b6 Safety &amp; Redundancy Testing<\/h3><div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-11a01652de45709b70d84767bfd3c514\" id=\"h-1-failure-mode-and-effects-analysis-fmea\" style=\"font-size:28px;line-height:1.6\"><em>1. Failure Mode and Effects Analysis (FMEA)<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-58bb46f92d1f09902fa89bbfe4c29ad2\" id=\"h-purpose-14\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-identify-single-point-failure-modes-e-g-conductor-breakage-insulation-breakdown-and-their-system-wide-impacts-guiding-redundancy-design-optimization\" style=\"font-size:15px;line-height:1.6\">To identify single-point failure modes (e.g., conductor breakage, insulation breakdown) and their system-wide impacts, guiding redundancy design optimization.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-1041867f912a3dde1b712505ab8f21ef\" id=\"h-test-methods-13\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Procedure<\/strong>:<ol start=\"1\"><li>List all potential failure modes (e.g., connector detachment, jacket cracking).<\/li>\n\n<li>Evaluate occurrence (O), severity (S), and detectability (D) to calculate Risk Priority Number (RPN=O\u00d7S\u00d7D).<\/li>\n\n<li>Design redundancies or safeguards for high-RPN items (RPN\u2265100).<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-964ffabc3ac220463c0c3262589fe8ac\" id=\"h-key-outputs-0\" style=\"font-size:22px;line-height:1.6\">Key Outputs<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-table is-style-stripes has-small-font-size\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>Failure Mode<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>RPN<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Mitigation<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Conductor Breakage<\/td><td class=\"has-text-align-left\" data-align=\"left\">120<\/td><td class=\"has-text-align-left\" data-align=\"left\">Add parallel redundant conductors<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Connector Leakage<\/td><td class=\"has-text-align-left\" data-align=\"left\">90<\/td><td class=\"has-text-align-left\" data-align=\"left\">Dual O-ring sealing design<\/td><\/tr><\/tbody><\/table><\/figure><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"415\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5931\u6548\u6a21\u5f0f\u4e0e\u5f71\u54cd\u5206\u6790.jpg\" alt=\"\" class=\"wp-image-6283\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5931\u6548\u6a21\u5f0f\u4e0e\u5f71\u54cd\u5206\u6790.jpg 900w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5931\u6548\u6a21\u5f0f\u4e0e\u5f71\u54cd\u5206\u6790-768x354.jpg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u5931\u6548\u6a21\u5f0f\u4e0e\u5f71\u54cd\u5206\u6790-600x277.jpg 600w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-133a95720a630888bceaf7c5c58d8409\" id=\"h-2-redundant-circuit-switching-testing\" style=\"font-size:28px;line-height:1.6\"><em>2. Redundant Circuit Switching Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-95e8dea557bea717f809dddfa8fd6590\" id=\"h-purpose-15\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-validate-that-redundant-circuits-can-seamlessly-take-over-within-specified-time-limits-upon-primary-circuit-failure-ensuring-uninterrupted-operation\" style=\"font-size:15px;line-height:1.6\">To validate that redundant circuits can seamlessly take over within specified time limits upon primary circuit failure, ensuring uninterrupted operation.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-0a9fe22c42db92c587c8a34fceba3bc7\" id=\"h-test-methods-14\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Equipment<\/strong>: Fault simulator, high-speed data logger (sampling rate \u22651 MHz).<\/li>\n\n<li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Artificially trigger primary circuit failure (e.g., power\/signal cutoff).<\/li>\n\n<li>Measure redundant circuit activation time and transient voltage fluctuation.<\/li>\n\n<li>Repeat 20 times to calculate success rate and average switching time.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-4659ce4ddf72e1f39aa290bd909da8ef\" id=\"h-pass-criteria-2\" style=\"font-size:22px;line-height:1.6\">Pass Criteria<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Switching Time<\/strong>: \u226410 ms (real-time control system requirement).<\/li>\n\n<li><strong>Voltage Fluctuation<\/strong>: \u2264\u00b15% of rated voltage.<\/li><\/ul><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-71b3e2013895d833d69ee4314b351f64\" id=\"h-3-fault-injection-testing\" style=\"font-size:28px;line-height:1.6\"><em>3. Fault Injection Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-76cc054ef2ad6f058e6e0f8b1c95be8f\" id=\"h-purpose-16\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-evaluate-system-wide-fault-tolerance-by-simulating-extreme-scenarios-e-g-simultaneous-multi-circuit-failures\" style=\"font-size:15px;line-height:1.6\">To evaluate system-wide fault tolerance by simulating extreme scenarios (e.g., simultaneous multi-circuit failures).<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-b8c9d9590e78e2c491bcb57ba2462896\" id=\"h-test-methods-15\" style=\"font-size:22px;line-height:1.6\"><strong>Test Methods<\/strong><\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Inject combined faults (e.g., main power loss + signal short circuit).<\/li>\n\n<li>Monitor system degradation modes and self-recovery functions (e.g., auto-switching to backup power).<\/li>\n\n<li>Record key parameters: recovery time, data packet loss rate.<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-657c08c3363a93c682a4b5c415685c9b\" id=\"h-evaluation-criteria-2\" style=\"font-size:22px;line-height:1.6\">Evaluation Criteria<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-table is-style-stripes has-small-font-size\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>Fault Type<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Max Recovery Time<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Max Packet Loss Rate<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Single-Circuit Failure<\/td><td class=\"has-text-align-left\" data-align=\"left\">10 ms<\/td><td class=\"has-text-align-left\" data-align=\"left\">0%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Dual-Circuit Failure<\/td><td class=\"has-text-align-left\" data-align=\"left\">50 ms<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u22640.1%<\/td><\/tr><\/tbody><\/table><\/figure><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"623\" height=\"306\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6545\u969c\u6ce8\u5165\u6d4b\u8bd5-1.jpeg\" alt=\"\" class=\"wp-image-6285\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6545\u969c\u6ce8\u5165\u6d4b\u8bd5-1.jpeg 623w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u6545\u969c\u6ce8\u5165\u6d4b\u8bd5-1-600x295.jpeg 600w\" sizes=\"(max-width: 623px) 100vw, 623px\" \/><\/figure><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-b7a8601a4a5c9c48652253c6509ef5ac\" id=\"h-4-safety-margin-verification\" style=\"font-size:28px;line-height:1.6\"><em>4. Safety Margin Verification<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-585ddefb3e7880d3a7799a3225c96bed\" id=\"h-purpose-17\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-quantify-safety-margins-e-g-electrical-mechanical-of-the-cable-harness-design-ensuring-temporary-safe-operation-beyond-rated-conditions\" style=\"font-size:15px;line-height:1.6\">To quantify safety margins (e.g., electrical, mechanical) of the cable harness design, ensuring temporary safe operation beyond rated conditions.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-b56259ae243682989a871358cf404099\" id=\"h-test-methods-16\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Electrical Margin<\/strong>:<ol start=\"1\"><li>Apply 1.5\u00d7 rated voltage (e.g., 750 V for a 500 V design) for 1 minute, check insulation breakdown.<\/li><\/ol><\/li>\n\n<li><strong>Mechanical Margin<\/strong>:<ol start=\"1\"><li>Apply 2\u00d7 working load to stretch the harness for 5 minutes, measure permanent deformation rate (\u22643%).<\/li><\/ol><\/li><\/ul><div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-a050cc2cd66c087fb54b7167dfb7207a\" id=\"h-5-emergency-power-off-epo-testing\" style=\"font-size:28px;line-height:1.6\"><em>5. Emergency Power-Off (EPO) Testing<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-ddee9ac86e4530dcc6ed87c1b72a2587\" id=\"h-purpose-18\" style=\"font-size:22px;line-height:1.6\">Purpose<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading\" id=\"h-to-verify-the-cable-harness-s-ability-to-rapidly-cut-off-power-during-emergencies-preventing-fault-propagation-or-equipment-damage\" style=\"font-size:15px;line-height:1.6\">To verify the cable harness&#8217;s ability to rapidly cut off power during emergencies, preventing fault propagation or equipment damage.<\/h6><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-0e520f3f86c27f559a0cf7ac63c5bf35\" id=\"h-test-methods-17\" style=\"font-size:22px;line-height:1.6\">Test Methods<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Procedure<\/strong>:<ol start=\"1\"><li>Simulate a short circuit or overload to trigger EPO signal.<\/li>\n\n<li>Measure shutdown response time (from fault detection to zero current).<\/li>\n\n<li>Inspect post-shutdown insulation recovery (e.g., no residual charge).<\/li><\/ol><\/li><\/ul><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-b6be2bc4ea0dc7038f6a4fa535f54a1a\" id=\"h-pass-criteria-3\" style=\"font-size:22px;line-height:1.6\">Pass Criteria<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><ul><li><strong>Response Time<\/strong>: \u22645 ms (per IEC 60947-2).<\/li>\n\n<li><strong>Insulation Recovery<\/strong>: Insulation resistance \u226510 M\u03a9 within 1 second post-shutdown.<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"733\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7d27\u6025\u65ad\u7535\u6d4b\u8bd5-1024x733.jpeg\" alt=\"\" class=\"wp-image-6287\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7d27\u6025\u65ad\u7535\u6d4b\u8bd5-1024x733.jpeg 1024w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7d27\u6025\u65ad\u7535\u6d4b\u8bd5-768x550.jpeg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7d27\u6025\u65ad\u7535\u6d4b\u8bd5-1536x1100.jpeg 1536w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7d27\u6025\u65ad\u7535\u6d4b\u8bd5-600x430.jpeg 600w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/\u7d27\u6025\u65ad\u7535\u6d4b\u8bd5.jpeg 1787w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-026fb5eaa4d49ab27315e630fb834dde\" id=\"h-safety-and-redundancy-testing-significantly-enhance-the-survivability-of-cable-harnesses-under-extreme-fault-scenarios-delivering-fail-safe-core-assurance-for-deep-sea-submersibles\" style=\"font-size:15px;line-height:1.6\">\u25b7 <em><em><em><em><em>Safety and redundancy testing significantly enhance the survivability of cable harnesses under extreme fault scenarios, delivering fail-safe core assurance for deep-sea submersibles.<\/em><\/em><\/em><\/em><\/em><\/h6><div style=\"height:150px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h3 class=\"wp-block-heading\" id=\"h-testing-standards-amp-certification\" style=\"font-size:36px;line-height:1.6\">\u25b6 Testing Standards &amp; Certification<\/h3><div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-97c5cda6c31cda5b3e2c79eb71ff165c\" id=\"h-1-international-standards\" style=\"font-size:28px;line-height:1.6\"><em>1. International Standards<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-8ca5c5eb6a3e0941e3990b48b9dce128\" id=\"h-iso-13628-5\" style=\"font-size:22px;line-height:1.6\">ISO 13628-5<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p><strong>Scope<\/strong>: Design and testing of control systems for subsea production systems, covering hydrostatic pressure, thermal cycling, and mechanical performance of cable harnesses.<br><strong>Key Requirements<\/strong>:<\/p><ul><li>Sealing integrity at 110 MPa pressure (no leakage).<\/li>\n\n<li>Thermal cycling range: -10\u00b0C to 80\u00b0C, \u2265100 cycles.<br><strong>Test Methods<\/strong>: ISO-certified high-pressure chamber for deep-sea simulation.<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"610\" height=\"448\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/04\/12d1a58fe4d5ce49b16b70a28e1ea5a7ababd8d5743d-9RYYit_fw1200.jpg\" alt=\"\" class=\"wp-image-4619\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/04\/12d1a58fe4d5ce49b16b70a28e1ea5a7ababd8d5743d-9RYYit_fw1200.jpg 610w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/04\/12d1a58fe4d5ce49b16b70a28e1ea5a7ababd8d5743d-9RYYit_fw1200-600x441.jpg 600w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/figure><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-3a5aff08046743acd5e1142a4813f4d0\" id=\"h-iec-60512-28-100\" style=\"font-size:22px;line-height:1.6\">IEC 60512-28-100<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p><strong>Scope<\/strong>: Mechanical testing of electrical connectors, including bending, tensile, and torsion of cable harnesses.<br><strong>Key Requirements<\/strong>:<\/p><ul><li>Bending radius \u22648\u00d7 cable diameter, \u226525,000 cycles.<\/li>\n\n<li>Tensile strength \u2265200 N (single-core harness).<br><strong>Test Methods<\/strong>: Servo-driven robotic arms and universal testing machines.<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"333\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/04\/17121156110309350519_5_ainote_new.jpg\" alt=\"\" class=\"wp-image-4620\" style=\"width:400px\"\/><\/figure><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-28f4893722dd93ecac71935bbcab450e\" id=\"h-ieee-1580\" style=\"font-size:22px;line-height:1.6\">IEEE 1580<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p><strong>Scope<\/strong>: Electrical performance and fire safety requirements for marine cables and harnesses.<br><strong>Key Requirements<\/strong>:<\/p><ul><li>Insulation resistance \u2265100 M\u03a9 (500 V DC test).<\/li>\n\n<li>Flame resistance: Pass vertical flame test (UL 1581).<br><strong>Test Methods<\/strong>: Megohmmeter and flame test chambers.<\/li><\/ul><figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"971\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/IEEE-1024x971.jpg\" alt=\"\" class=\"wp-image-6290\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/IEEE-1024x971.jpg 1024w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/IEEE-768x729.jpg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/IEEE-600x569.jpg 600w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/IEEE.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-21918599c74776d486c6e3dd9a6fb2d6\" id=\"h-2-national-standards\" style=\"font-size:28px;line-height:1.6\"><em>2. National Standards<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-96469ccb0cfb1996f6390b0b1ccf7b5a\" id=\"h-china-gb-t-2423\" style=\"font-size:22px;line-height:1.6\">China GB\/T 2423<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p><strong>Scope<\/strong>: Environmental testing for electrical\/electronic products, including temperature, humidity, and salt spray tests.<br><strong>Key Requirements<\/strong>:<\/p><ul><li>Salt spray test: No metal corrosion after 96 hours (GB\/T 10125).<\/li>\n\n<li>Damp heat test: Insulation resistance \u226510 M\u03a9 at 40\u00b0C\/93% RH.<\/li><\/ul><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"343\" height=\"303\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/04\/1fe401d9-a0e6-4dc6-aa3b-302a7d29feaf.jpg\" alt=\"\" class=\"wp-image-5212\" style=\"width:400px\"\/><\/figure><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-ba0b5fa52c363ac647252b5bd1cbe8cf\" id=\"h-usa-mil-std-810\" style=\"font-size:22px;line-height:1.6\">USA MIL-STD-810<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p><strong>Scope<\/strong>: Mechanical and environmental reliability testing for military equipment, applicable to extreme-condition validation of deep-sea cable harnesses.<br><strong>Key Requirements<\/strong>:<\/p><ul><li>Vibration test: 20-2000 Hz random vibration at 15 g.<\/li>\n\n<li>Shock test: Half-sine shock (40 g\/11 ms).<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-7d5ef03651a56aae0929289eac3401dc\" id=\"h-3-industry-standards\" style=\"font-size:28px;line-height:1.6\"><em>3. Industry Standards<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-9e03030719647e40531ad9ee4c86d23c\" id=\"h-api-17f\" style=\"font-size:22px;line-height:1.6\">API 17F<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p><strong>Scope<\/strong>: Subsea production control systems, specifying redundancy design and fail-safe requirements.<br><strong>Key Requirements<\/strong>:<\/p><ul><li>Redundant circuit switching time \u226410 ms.<\/li>\n\n<li>Single-point failures must not cause system shutdown.<\/li><\/ul><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/API.jpeg\" alt=\"\" class=\"wp-image-6292\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/API.jpeg 850w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/API-768x432.jpeg 768w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/API-600x337.jpeg 600w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/><\/figure><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-746997eb8c2fd8645cb3d03c5bcc29cb\" id=\"h-dnvgl-rp-0034\" style=\"font-size:22px;line-height:1.6\">DNVGL-RP-0034<\/h5><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p><strong>Scope<\/strong>: Long-term durability assessment of subsea cables\/harnesses (DNV GL standard).<br><strong>Key Requirements<\/strong>:<\/p><ul><li>Lifetime prediction models based on accelerated aging data (Arrhenius equation).<\/li>\n\n<li>Annual aging rate \u22643%.<\/li><\/ul><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/DNVGL.jpeg\" alt=\"\" class=\"wp-image-6294\" style=\"width:400px\" srcset=\"https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/DNVGL.jpeg 500w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/DNVGL-180x180.jpeg 180w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/DNVGL-300x300.jpeg 300w, https:\/\/kabolux.com\/wp-content\/uploads\/2025\/05\/DNVGL-100x100.jpeg 100w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-ecd32cc95e74ed5eb8bd1e189618d2c9\" id=\"h-4-certification-process\" style=\"font-size:28px;line-height:1.6\"><em>4. Certification Process<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p class=\"has-vivid-purple-color has-text-color has-link-color wp-elements-12dddc6cb1a74b962b5e78db9fc05c85\" style=\"font-size:17px\"><strong>Steps<\/strong>:<\/p><ol start=\"1\"><li><strong>Application Submission<\/strong>: Submit design documents and test plans to certification bodies (e.g., DNV GL, ABS).<\/li>\n\n<li><strong>Testing Execution<\/strong>: Complete full-scope tests (e.g., ISO 13628-5, IEC 60512) at accredited labs.<\/li>\n\n<li><strong>Document Review<\/strong>: Verify test reports, material lists, and quality control records.<\/li>\n\n<li><strong>On-Site Audit<\/strong>: Inspect manufacturing processes and quality management systems.<\/li>\n\n<li><strong>Certification Issuance<\/strong>: Obtain certification marks (e.g., DNV GL Type Approval).<\/li>\n\n<li><strong>Periodic Renewal<\/strong>: Renew certification every 3 years to ensure ongoing compliance.<\/li><\/ol><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h4 class=\"wp-block-heading has-ast-global-color-3-color has-text-color has-link-color wp-elements-80b05e27b7959a2e38dfd394fc8ab0a0\" id=\"h-5-certification-bodies\" style=\"font-size:28px;line-height:1.6\"><em>5. Certification Bodies<\/em><\/h4><div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h5 class=\"wp-block-heading has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-d8c06be162f2adbdfb9d22d9ab28fa63\" id=\"h-key-agencies\" style=\"font-size:22px;line-height:1.6\"><strong>Key Agencies<\/strong>:<\/h5><div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><figure class=\"wp-block-table is-style-stripes has-small-font-size\"><table><thead><tr><th><strong>Agency<\/strong><\/th><th><strong>Chinese Name<\/strong><\/th><th><strong>Expertise<\/strong><\/th><\/tr><\/thead><tbody><tr><td>DNV GL<\/td><td>Norwegian Class Society<\/td><td>Marine engineering &amp; deep-sea equipment<\/td><\/tr><tr><td>ABS<\/td><td>American Class Society<\/td><td>Ship &amp; subsea system certification<\/td><\/tr><tr><td>CCS<\/td><td>China Class Society<\/td><td>Chinese deep-sea equipment standards<\/td><\/tr><\/tbody><\/table><\/figure><div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><h6 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-23e25490e42f3e3acae0a1c23f574b53\" id=\"h-compliance-with-these-standards-and-certifications-ensures-global-technical-recognition-of-deep-sea-cable-harnesses-guaranteeing-design-manufacturing-and-testing-reliability\" style=\"font-size:15px;line-height:1.6\">\u25b7 <em><em><em><em><em><em>Compliance with these standards and certifications ensures global technical recognition of deep-sea cable harnesses, guaranteeing design, manufacturing, and testing reliability.<\/em><\/em><\/em><\/em><\/em><\/em><\/h6><div style=\"height:150px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><p><strong>Pressure testing of cable harnesses for deep-sea submersibles is a critical component in ensuring their stable operation under extreme environmental conditions.<\/strong><\/p><p>Through comprehensive validation of environmental, mechanical, electrical, long-term stability, and safety redundancy performance\u2014combined with adherence to international standards and stringent certification processes\u2014the design and manufacturing of these harnesses demonstrate exceptional reliability in overcoming challenges such as high pressure, low temperatures, corrosion, and dynamic loads.<\/p><p><strong>These tests not only provide technical assurance for the success of deep-sea exploration missions<\/strong>&nbsp;but also establish a robust engineering foundation for humanity\u2019s quest to explore the uncharted realms of the ocean.<\/p><div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/><div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"wp-block-comments\">\n\n\n\n\n\n<div id=\"respond\" 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Hydrostatic Pressure Testing Purpose To validate the sealing performance and structural integrity of the cable harness under extreme deep-sea hydrostatic pressure (e.g., Mariana Trench, 11,000 meters depth, equivalent to ~110 MPa). Test Methods Key Metrics 2. Thermal Cycling Testing Purpose To evaluate [&hellip;]<\/p>","protected":false},"author":1,"featured_media":6297,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/posts\/6181"}],"collection":[{"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/comments?post=6181"}],"version-history":[{"count":96,"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/posts\/6181\/revisions"}],"predecessor-version":[{"id":6300,"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/posts\/6181\/revisions\/6300"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/media\/6297"}],"wp:attachment":[{"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/media?parent=6181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/categories?post=6181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kabolux.com\/fr\/wp-json\/wp\/v2\/tags?post=6181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}