{"id":6637,"date":"2026-02-09T14:06:58","date_gmt":"2026-02-09T06:06:58","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=6637"},"modified":"2026-02-09T14:07:01","modified_gmt":"2026-02-09T06:07:01","slug":"olex-varolex-vs-n3ghssycy-vfd-cable-screening-differences","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/olex-varolex-vs-n3ghssycy-vfd-cable-screening-differences\/","title":{"rendered":"Olex Varolex vs (N)3GHSSYCY: VFD Cable Screening Differences"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Technical Analysis of Shielding Configurations, EMC Performance &amp; Application Selection for Variable Frequency Drive Systems<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"f7ebe1\" data-has-transparency=\"false\" style=\"--dominant-color: #f7ebe1;\" loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"451\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-779.avif\" alt=\"\" class=\"wp-image-6638 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-779.avif 600w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-779-300x226.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-779-400x301.avif 400w\" \/><\/figure>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<meta name=\"description\" content=\"Technical comparison of Olex Varolex VFD cables vs generic (N)3GHSSYCY cables - screening differences, EMC performance, and application guidelines by Anhui Feichun Special Cable Co., Ltd.\">\n<title>Olex Varolex vs (N)3GHSSYCY: VFD Cable Screening Differences | Anhui Feichun Special Cable<\/title>\n<style>\n:root {\n  --bg-primary: #ffffff;\n  --bg-secondary: #f8f9fa;\n  --bg-table-header: #1a365d;\n  --text-primary: #1a202c;\n  --text-secondary: #4a5568;\n  --text-muted: #718096;\n  --border-color: #e2e8f0;\n  --accent-color: #2b6cb0;\n  --accent-hover: #1a4971;\n  --table-alt: #f7fafc;\n  --highlight-bg: #ebf8ff;\n  --warning-bg: #fffaf0;\n  --success-bg: #f0fff4;\n  --code-bg: #edf2f7;\n}\n@media (prefers-color-scheme: dark) {\n  :root {\n    --bg-primary: #1a202c;\n    --bg-secondary: #2d3748;\n    --bg-table-header: #1e3a5f;\n    --text-primary: #f7fafc;\n    --text-secondary: #e2e8f0;\n    --text-muted: #a0aec0;\n    --border-color: #4a5568;\n    --accent-color: #63b3ed;\n    --accent-hover: #90cdf4;\n    --table-alt: #2d3748;\n    --highlight-bg: #1a365d;\n    --warning-bg: #744210;\n    --success-bg: #22543d;\n    --code-bg: #2d3748;\n  }\n}\n* { box-sizing: border-box; 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text-decoration: underline; }\n.reference {\n  font-size: 0.85rem;\n  color: var(--text-muted);\n  margin-top: 8px;\n}\n.reference a { color: var(--text-muted); }\n.contact-section {\n  background: var(--bg-secondary);\n  padding: 32px;\n  border-radius: 12px;\n  margin-top: 40px;\n}\n.contact-section h2 { margin-top: 0; }\n.contact-grid {\n  display: grid;\n  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n  gap: 20px;\n  margin-top: 20px;\n}\n.contact-item {\n  background: var(--bg-primary);\n  padding: 20px;\n  border-radius: 8px;\n  border: 1px solid var(--border-color);\n}\n.contact-item strong { display: block; margin-bottom: 8px; color: var(--text-primary); }\ncode {\n  background: var(--code-bg);\n  padding: 2px 6px;\n  border-radius: 4px;\n  font-size: 0.9em;\n}\nfooter {\n  text-align: center;\n  padding: 32px 24px;\n  background: var(--bg-secondary);\n  color: var(--text-muted);\n  font-size: 0.85rem;\n  margin-top: 48px;\n}\n.spec-badge {\n  display: inline-block;\n  background: var(--accent-color);\n  color: #fff;\n  padding: 2px 8px;\n  border-radius: 4px;\n  font-size: 0.8rem;\n  margin-right: 6px;\n}\n<\/style>\n<\/head>\n<body>\n\n<header>\n<h1>Olex Varolex vs (N)3GHSSYCY: VFD Cable Screening Differences<\/h1>\n<p class=\"subtitle\">Technical Analysis of Shielding Configurations, EMC Performance &#038; Application Selection for Variable Frequency Drive Systems<\/p>\n<p class=\"company\">Anhui Feichun Special Cable Co., Ltd. \u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/p>\n<\/header>\n\n<main class=\"container\">\n\n<section>\n<h2>1. Introduction to VFD Cable Screening \u53d8\u9891\u7535\u7f06\u5c4f\u853d\u6982\u8ff0<\/h2>\n<p>Variable Frequency Drive (VFD) cables require specialized screening (shielding) constructions to manage electromagnetic interference (EMI) generated by pulse-width modulation (PWM) switching. The cable&#8217;s screening system serves two critical functions: containing radiated electrical noise that could interfere with nearby equipment, and providing a low-impedance path for common-mode currents to return to the drive ground.<\/p>\n<div class=\"cn-note\">\u53d8\u9891\u5668\u7535\u7f06\u9700\u8981\u4e13\u95e8\u7684\u5c4f\u853d\u7ed3\u6784\u6765\u7ba1\u7406\u8109\u5bbd\u8c03\u5236\uff08PWM\uff09\u5f00\u5173\u4ea7\u751f\u7684\u7535\u78c1\u5e72\u6270\u3002\u5c4f\u853d\u7cfb\u7edf\u6709\u4e24\u4e2a\u5173\u952e\u529f\u80fd\uff1a\u63a7\u5236\u53ef\u80fd\u5e72\u6270\u9644\u8fd1\u8bbe\u5907\u7684\u8f90\u5c04\u7535\u566a\u58f0\uff0c\u4ee5\u53ca\u4e3a\u5171\u6a21\u7535\u6d41\u63d0\u4f9b\u4f4e\u963b\u6297\u56de\u8def\u3002<\/div>\n\n<p>This technical comparison examines the screening differences between the Olex Varolex VFD cable series (conforming to AS\/NZS 5000.1) and generic (N)3GHSSYCY cables (conforming to DIN VDE standards), analyzing their respective EMC characteristics and optimal application scenarios.<\/p>\n\n<div class=\"reference\">Reference \u53c2\u8003: <a href=\"https:\/\/www.elandcables.com\/cables\/variable-frequency-drive-vfd-cables\" rel=\"nofollow noopener\" target=\"_blank\">Eland Cables &#8211; Variable Frequency Drive Cable Technical Guide<\/a><\/div>\n<\/section>\n\n<section>\n<h2>2. Cable Construction Comparison \u7535\u7f06\u7ed3\u6784\u5bf9\u6bd4<\/h2>\n\n<h3>2.1 Olex Varolex VSD\/EMC Cable Series<\/h3>\n<p>The Olex Varolex cable range, manufactured by Nexans Australia, utilizes a copper tape screening system specifically engineered for electromagnetic compatibility in VFD applications. The construction incorporates X-90 (XLPE) insulation with a 100% coverage copper tape screen, delivering superior shielding effectiveness particularly at higher frequencies generated by modern fast-switching IGBTs.<\/p>\n\n<div class=\"table-wrapper\">\n<table>\n<thead>\n<tr><th>Parameter \u53c2\u6570<\/th><th>Olex Varolex VSD (Rigid)<\/th><th>Olex Varolex VSD (Flexible)<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td class=\"param-name\">Standard \u6807\u51c6<\/td><td><span class=\"spec-badge\">AS\/NZS 5000.1<\/span> AS\/NZS 1125<\/td><td><span class=\"spec-badge\">AS\/NZS 5000.1<\/span><\/td><\/tr>\n<tr><td class=\"param-name\">Voltage Rating \u989d\u5b9a\u7535\u538b<\/td><td>0.6\/1kV (Uo\/U)<\/td><td>0.6\/1kV (Uo\/U)<\/td><\/tr>\n<tr><td class=\"param-name\">Conductor \u5bfc\u4f53<\/td><td>Stranded Copper, Class 2<\/td><td>Flexible Copper, Class 5<\/td><\/tr>\n<tr><td class=\"param-name\">Insulation \u7edd\u7f18<\/td><td>X-90 (XLPE), 90\u00b0C rated<\/td><td>X-90 (XLPE), 90\u00b0C rated<\/td><\/tr>\n<tr><td class=\"param-name\">Screen Type \u5c4f\u853d\u7c7b\u578b<\/td><td>Copper Tape (100% coverage)<\/td><td>Copper Tape (100% coverage)<\/td><\/tr>\n<tr><td class=\"param-name\">Bedding \u5185\u62a4\u5c42<\/td><td>PVC<\/td><td>PVC<\/td><\/tr>\n<tr><td class=\"param-name\">Outer Sheath \u5916\u62a4\u5957<\/td><td>PVC, Black<\/td><td>PVC, Black<\/td><\/tr>\n<tr><td class=\"param-name\">Core Configuration \u82af\u6570\u914d\u7f6e<\/td><td>3C + 3E (Split Earth)<\/td><td>3C + 3E (Split Earth)<\/td><\/tr>\n<tr><td class=\"param-name\">Temperature Range \u6e29\u5ea6\u8303\u56f4<\/td><td>Fixed: -40\u00b0C to +90\u00b0C<\/td><td>Flexing: -5\u00b0C to +80\u00b0C<\/td><\/tr>\n<tr><td class=\"param-name\">Min. Bending Radius \u6700\u5c0f\u5f2f\u66f2\u534a\u5f84<\/td><td>6 \u00d7 cable O.D.<\/td><td>7.5 \u00d7 cable O.D.<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"reference\">Reference \u53c2\u8003: <a href=\"https:\/\/www.nexans.com.au\/en\/products\/Olex-Flex\/VAROLEX\/VAROLEX%C2%AE-V31506.html\" rel=\"nofollow noopener\" target=\"_blank\">Nexans Australia &#8211; Varolex VSD Product Specifications<\/a><\/div>\n\n<h3>2.2 Generic (N)3GHSSYCY Mining\/Industrial Cable<\/h3>\n<p>The (N)3GHSSYCY cable designation follows German VDE nomenclature standards, indicating a medium\/high voltage flexible cable primarily designed for mining and tunneling applications. Unlike dedicated VFD cables, this construction prioritizes mechanical durability and mining-specific requirements over optimized EMC performance.<\/p>\n\n<div class=\"table-wrapper\">\n<table>\n<thead>\n<tr><th>Parameter \u53c2\u6570<\/th><th>(N)3GHSSYCY 3.6\/6kV<\/th><th>(N)3GHSSYCY 6\/10kV<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td class=\"param-name\">Standard \u6807\u51c6<\/td><td><span class=\"spec-badge\">DIN VDE 0250<\/span> VDE 0207<\/td><td><span class=\"spec-badge\">DIN VDE 0250<\/span> VDE 0207<\/td><\/tr>\n<tr><td class=\"param-name\">Voltage Rating \u989d\u5b9a\u7535\u538b<\/td><td>3.6\/6kV (Uo\/U)<\/td><td>6\/10kV (Uo\/U)<\/td><\/tr>\n<tr><td class=\"param-name\">Test Voltage \u8bd5\u9a8c\u7535\u538b<\/td><td>11kV AC<\/td><td>17kV AC<\/td><\/tr>\n<tr><td class=\"param-name\">Conductor \u5bfc\u4f53<\/td><td>Class 5 Flexible Cu (VDE 0295\/IEC 60228)<\/td><td>Class 5 Flexible Cu<\/td><\/tr>\n<tr><td class=\"param-name\">Insulation \u7edd\u7f18<\/td><td>Rubber 3GI3 (VDE 0207-20)<\/td><td>Rubber 3GI3<\/td><\/tr>\n<tr><td class=\"param-name\">Screen Type \u5c4f\u853d\u7c7b\u578b<\/td><td>Individual Copper Wire Screen per Phase<\/td><td>Individual Copper Wire Screen<\/td><\/tr>\n<tr><td class=\"param-name\">Semi-conductive Layers \u534a\u5bfc\u7535\u5c42<\/td><td>Inner &#038; Outer on Insulation<\/td><td>Inner &#038; Outer on Insulation<\/td><\/tr>\n<tr><td class=\"param-name\">Armour \u94e0\u88c5<\/td><td>Steel Wire Braid<\/td><td>Steel Wire Braid<\/td><\/tr>\n<tr><td class=\"param-name\">Outer Sheath \u5916\u62a4\u5957<\/td><td>PVC Type YM5<\/td><td>PVC Type YM5<\/td><\/tr>\n<tr><td class=\"param-name\">Temperature Range \u6e29\u5ea6\u8303\u56f4<\/td><td>Fixed: -40\u00b0C to +80\u00b0C<br>Flexed: +5\u00b0C to +80\u00b0C<\/td><td>Fixed: -40\u00b0C to +80\u00b0C<\/td><\/tr>\n<tr><td class=\"param-name\">Min. Bending Radius \u6700\u5c0f\u5f2f\u66f2\u534a\u5f84<\/td><td>Fixed: 6 \u00d7 O.D.<br>Flexed: 10 \u00d7 O.D.<\/td><td>Fixed: 6 \u00d7 O.D.<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"reference\">Reference \u53c2\u8003: <a href=\"https:\/\/www.elandcables.com\/media\/yjahjevb\/n-3ghssycy-3-6-6kv-and-6-10kv-cable-datasheet.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Eland Cables &#8211; (N)3GHSSYCY Technical Datasheet<\/a><\/div>\n<\/section>\n\n<section>\n<h2>3. Screening Technology Analysis \u5c4f\u853d\u6280\u672f\u5206\u6790<\/h2>\n\n<h3>3.1 Copper Tape vs. Copper Braid Screening<\/h3>\n<p>The fundamental difference between these cable types lies in their screening methodology. Understanding the frequency-dependent behavior of different screening configurations is essential for proper VFD cable selection.<\/p>\n\n<div class=\"highlight-box\">\n<strong>Key Finding \u5173\u952e\u53d1\u73b0:<\/strong> Studies demonstrate that 100% coverage metallic shields (copper tape) provide increased shielding effectiveness compared to copper wire braids, particularly at high frequencies above 1 MHz \u2014 the dominant frequency range for VFD-generated EMI noise.\n<div class=\"cn-note\" style=\"margin-top:12px;background:transparent;padding-left:0;\">\u7814\u7a76\u8868\u660e\uff0c100%\u8986\u76d6\u7684\u91d1\u5c5e\u5c4f\u853d\uff08\u94dc\u5e26\uff09\u4e0e\u94dc\u4e1d\u7f16\u7ec7\u76f8\u6bd4\u5177\u6709\u66f4\u9ad8\u7684\u5c4f\u853d\u6548\u80fd\uff0c\u7279\u522b\u662f\u57281MHz\u4ee5\u4e0a\u7684\u9ad8\u9891\u8303\u56f4\u2014\u2014\u8fd9\u662f\u53d8\u9891\u5668\u4ea7\u751fEMI\u566a\u58f0\u7684\u4e3b\u8981\u9891\u7387\u8303\u56f4\u3002<\/div>\n<\/div>\n\n<div class=\"table-wrapper\">\n<table>\n<thead>\n<tr><th>Screening Method \u5c4f\u853d\u65b9\u5f0f<\/th><th>Coverage \u8986\u76d6\u7387<\/th><th>Frequency Performance \u9891\u7387\u6027\u80fd<\/th><th>Transfer Impedance \u8f6c\u79fb\u963b\u6297<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td class=\"param-name\">Copper Tape (Varolex)<\/td><td>100%<\/td><td>Excellent at HF (>1MHz)<\/td><td>Lower (better EMC)<\/td><\/tr>\n<tr><td class=\"param-name\">Copper Wire Braid (Generic)<\/td><td>75-85% typical<\/td><td>Better at LF (<100kHz)<\/td><td>Higher (moderate EMC)<\/td><\/tr>\n<tr><td class=\"param-name\">Foil + Braid Combo<\/td><td>~100%<\/td><td>Broadband coverage<\/td><td>Lowest (optimal EMC)<\/td><\/tr>\n<tr><td class=\"param-name\">Individual Phase Screens (3GHSSYCY)<\/td><td>Varies<\/td><td>MV field control focus<\/td><td>Not optimized for LV VFD<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"reference\">Reference \u53c2\u8003: <a href=\"https:\/\/www.rexelha.com.au\/copper-tape-versus-braid-for-better-emc-performance\/\" rel=\"nofollow noopener\" target=\"_blank\">Rexel Australia &#8211; Copper Tape versus Braid for EMC Performance<\/a><\/div>\n\n<h3>3.2 Shielding Effectiveness Characteristics<\/h3>\n<p>The shielding effectiveness (SE) of a cable screen is frequency-dependent. Copper tape screening maintains consistent 100% coverage across the entire cable length, eliminating the small apertures inherent in braided constructions. These apertures in braid shields become increasingly transparent to electromagnetic fields as frequency increases, degrading high-frequency shielding performance.<\/p>\n\n<div class=\"warning-box\">\n<strong>Technical Note \u6280\u672f\u8bf4\u660e:<\/strong> For VFD applications, the PWM switching frequencies (typically 2-20 kHz carrier frequency) generate harmonics extending into the MHz range. The skin effect causes high-frequency currents to concentrate near the conductor surface, requiring shields with both adequate surface area and minimum 1mm thickness for effective attenuation.\n<div class=\"cn-note\" style=\"margin-top:12px;background:transparent;padding-left:0;\">\u5bf9\u4e8e\u53d8\u9891\u5e94\u7528\uff0cPWM\u5f00\u5173\u9891\u7387\uff08\u901a\u5e382-20kHz\u8f7d\u6ce2\u9891\u7387\uff09\u4ea7\u751f\u7684\u8c10\u6ce2\u5ef6\u4f38\u5230MHz\u8303\u56f4\u3002\u96c6\u80a4\u6548\u5e94\u4f7f\u9ad8\u9891\u7535\u6d41\u96c6\u4e2d\u5728\u5bfc\u4f53\u8868\u9762\u9644\u8fd1\uff0c\u9700\u8981\u5177\u6709\u8db3\u591f\u8868\u9762\u79ef\u548c\u6700\u5c0f1mm\u539a\u5ea6\u7684\u5c4f\u853d\u5c42\u624d\u80fd\u6709\u6548\u8870\u51cf\u3002<\/div>\n<\/div>\n\n<div class=\"reference\">Reference \u53c2\u8003: <a href=\"https:\/\/www.connectortips.com\/how-do-the-three-types-of-shielded-cables-work\/\" rel=\"nofollow noopener\" target=\"_blank\">Connector Tips &#8211; Shielded Cable Technology Analysis<\/a><\/div>\n<\/section>\n\n<section>\n<h2>4. EMC Performance Comparison EMC\u6027\u80fd\u5bf9\u6bd4<\/h2>\n\n<div class=\"table-wrapper\">\n<table>\n<thead>\n<tr><th>EMC Parameter EMC\u53c2\u6570<\/th><th>Olex Varolex (Copper Tape)<\/th><th>(N)3GHSSYCY (Phase Screens)<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td class=\"param-name\">Primary Design Purpose \u4e3b\u8981\u8bbe\u8ba1\u76ee\u7684<\/td><td>VFD EMC optimization<\/td><td>MV mining power distribution<\/td><\/tr>\n<tr><td class=\"param-name\">HF Shielding (>1MHz)<\/td><td>Excellent<\/td><td>Limited<\/td><\/tr>\n<tr><td class=\"param-name\">LF Shielding (<100kHz)<\/td><td>Good<\/td><td>Good (steel armour assists)<\/td><\/tr>\n<tr><td class=\"param-name\">Common-mode Noise Control<\/td><td>Optimized (symmetrical earths)<\/td><td>Basic<\/td><\/tr>\n<tr><td class=\"param-name\">Radiated Emission Control<\/td><td>Excellent<\/td><td>Moderate<\/td><\/tr>\n<tr><td class=\"param-name\">Ground Impedance Path<\/td><td>Low (split 3E configuration)<\/td><td>Via individual screens<\/td><\/tr>\n<tr><td class=\"param-name\">Motor Bearing Protection<\/td><td>Enhanced<\/td><td>Standard<\/td><\/tr>\n<tr><td class=\"param-name\">Suitable for EMC Glands<\/td><td>Yes (360\u00b0 termination)<\/td><td>Requires adaptation<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"success-box\">\n<strong>Varolex Design Advantage \u98de\u7eaf\u8bbe\u8ba1\u4f18\u52bf:<\/strong> The symmetrical split earth configuration (3C+3E) in Varolex cables provides three dedicated earth conductors positioned symmetrically, creating the lowest possible impedance return path for common-mode currents \u2014 critical for motor bearing protection and EMI reduction.\n<div class=\"cn-note\" style=\"margin-top:12px;background:transparent;padding-left:0;\">Varolex\u7535\u7f06\u7684\u5bf9\u79f0\u5206\u88c2\u63a5\u5730\u914d\u7f6e\uff083C+3E\uff09\u63d0\u4f9b\u4e09\u6839\u5bf9\u79f0\u5e03\u7f6e\u7684\u4e13\u7528\u63a5\u5730\u5bfc\u4f53\uff0c\u4e3a\u5171\u6a21\u7535\u6d41\u521b\u5efa\u6700\u4f4e\u963b\u6297\u56de\u8def\u2014\u2014\u8fd9\u5bf9\u7535\u673a\u8f74\u627f\u4fdd\u62a4\u548cEMI\u964d\u4f4e\u81f3\u5173\u91cd\u8981\u3002<\/div>\n<\/div>\n\n<div class=\"reference\">Reference \u53c2\u8003: <a href=\"https:\/\/www.wireandcabletips.com\/how-much-importance-does-shielding-have-on-my-vfd-cable-selection\/\" rel=\"nofollow noopener\" target=\"_blank\">Wire and Cable Tips &#8211; VFD Cable Shielding Selection Guide<\/a><\/div>\n<\/section>\n\n<section>\n<h2>5. Application Selection Guidelines \u5e94\u7528\u9009\u578b\u6307\u5357<\/h2>\n\n<div class=\"table-wrapper\">\n<table>\n<thead>\n<tr><th>Application Scenario \u5e94\u7528\u573a\u666f<\/th><th>Recommended Cable \u63a8\u8350\u7535\u7f06<\/th><th>Rationale \u4f9d\u636e<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td class=\"param-name\">LV VFD Motor Connection (0.6\/1kV)<br>\u4f4e\u538b\u53d8\u9891\u7535\u673a\u8fde\u63a5<\/td><td>Olex Varolex VSD<\/td><td>Optimized EMC screening, AS\/NZS compliance<\/td><\/tr>\n<tr><td class=\"param-name\">Manufacturing Plant Automation<br>\u5236\u9020\u5382\u81ea\u52a8\u5316<\/td><td>Olex Varolex VSD<\/td><td>Superior noise immunity near control systems<\/td><\/tr>\n<tr><td class=\"param-name\">HVAC Fan\/Pump VFD Systems<br>\u6696\u901a\u98ce\u673a\/\u6c34\u6cf5\u53d8\u9891\u7cfb\u7edf<\/td><td>Olex Varolex VSD<\/td><td>Commercial EMC compliance requirements<\/td><\/tr>\n<tr><td class=\"param-name\">MV Underground Mining (3.6-10kV)<br>\u4e2d\u538b\u4e95\u4e0b\u91c7\u77ff<\/td><td>(N)3GHSSYCY<\/td><td>MV rating, mining-grade armour, VDE compliance<\/td><\/tr>\n<tr><td class=\"param-name\">Tunnel Boring Machines<br>\u96a7\u9053\u6398\u8fdb\u673a<\/td><td>(N)3GHSSYCY<\/td><td>High mechanical stress, MV requirements<\/td><\/tr>\n<tr><td class=\"param-name\">Mobile Mining Equipment (Trailing)<br>\u79fb\u52a8\u91c7\u77ff\u8bbe\u5907\uff08\u62d6\u66f3\uff09<\/td><td>(N)3GHSSYCY<\/td><td>Class 5 flexibility, abrasion resistance<\/td><\/tr>\n<tr><td class=\"param-name\">Processing Plants (LV + EMC Critical)<br>\u52a0\u5de5\u5382\uff08\u4f4e\u538b+EMC\u5173\u952e\uff09<\/td><td>Olex Varolex VSD<\/td><td>Prevents interference with instrumentation<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"reference\">Reference \u53c2\u8003: <a href=\"https:\/\/www.helukabel.us\/us-en\/products-solutions\/industrial-machine-cables\/motor-servo-feedback-cables\/vfd-cables.html\" rel=\"nofollow noopener\" target=\"_blank\">HELUKABEL &#8211; VFD Cable Design Requirements<\/a><\/div>\n<\/section>\n\n<section>\n<h2>6. Technical Standards Summary \u6280\u672f\u6807\u51c6\u6c47\u603b<\/h2>\n\n<div class=\"table-wrapper\">\n<table>\n<thead>\n<tr><th>Standard \u6807\u51c6<\/th><th>Scope \u8303\u56f4<\/th><th>Applicable Cable \u9002\u7528\u7535\u7f06<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td class=\"param-name\">AS\/NZS 5000.1<\/td><td>Polymeric insulated cables \u22640.6\/1kV (Australia\/NZ)<\/td><td>Olex Varolex VSD<\/td><\/tr>\n<tr><td class=\"param-name\">AS\/NZS 1125<\/td><td>Conductor requirements<\/td><td>Olex Varolex VSD<\/td><\/tr>\n<tr><td class=\"param-name\">DIN VDE 0250<\/td><td>Rubber-sheathed cables (Germany)<\/td><td>(N)3GHSSYCY<\/td><\/tr>\n<tr><td class=\"param-name\">DIN VDE 0295 \/ IEC 60228<\/td><td>Conductor classes (1-6 flexibility)<\/td><td>Both cable types<\/td><\/tr>\n<tr><td class=\"param-name\">DIN VDE 0207-20<\/td><td>Rubber insulation compound 3GI3<\/td><td>(N)3GHSSYCY<\/td><\/tr>\n<tr><td class=\"param-name\">IEC 60332-1-2<\/td><td>Flame retardant testing<\/td><td>Both cable types<\/td><\/tr>\n<tr><td class=\"param-name\">RoHS 2015\/65\/EU<\/td><td>Hazardous substance restrictions<\/td><td>Both cable types<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"reference\">Reference \u53c2\u8003: <a href=\"https:\/\/tratosgroup.com\/products\/standards\/others\/din-vde-en-60228-vde-0295\/\" rel=\"nofollow noopener\" target=\"_blank\">Tratos Group &#8211; DIN VDE EN 60228 Conductor Standards<\/a><\/div>\n<\/section>\n\n<section>\n<h2>7. Conductor Electrical Parameters \u5bfc\u4f53\u7535\u6c14\u53c2\u6570<\/h2>\n\n<p>The following table presents typical electrical characteristics for Olex Varolex VSD cables across common cross-sectional areas, demonstrating the relationship between conductor size, resistance, and current-carrying capacity.<\/p>\n\n<div class=\"table-wrapper\">\n<table>\n<thead>\n<tr><th>Size<br>\u89c4\u683c (mm\u00b2)<\/th><th>Stranding<br>\u7ede\u5408\u7ed3\u6784<\/th><th>DC Resistance<br>\u76f4\u6d41\u7535\u963b (\u03a9\/km)<\/th><th>AC Resistance<br>\u4ea4\u6d41\u7535\u963b (\u03a9\/km)<\/th><th>Insulation Res.<br>\u7edd\u7f18\u7535\u963b (M\u03a9\u00b7km)<\/th><th>Approx. O.D.<br>\u5916\u5f84 (mm)<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td class=\"param-name\">25<\/td><td>19\/1.35<\/td><td>0.727<\/td><td>0.927<\/td><td>500<\/td><td>23.3<\/td><\/tr>\n<tr><td class=\"param-name\">35<\/td><td>19\/1.53<\/td><td>0.524<\/td><td>0.669<\/td><td>430<\/td><td>26.1<\/td><\/tr>\n<tr><td class=\"param-name\">50<\/td><td>19\/1.78<\/td><td>0.387<\/td><td>0.494<\/td><td>293<\/td><td>28.8<\/td><\/tr>\n<tr><td class=\"param-name\">70<\/td><td>19\/2.14<\/td><td>0.268<\/td><td>0.343<\/td><td>270.5<\/td><td>32.0<\/td><\/tr>\n<tr><td class=\"param-name\">95<\/td><td>37\/1.78<\/td><td>0.193<\/td><td>0.248<\/td><td>330<\/td><td>36.9<\/td><\/tr>\n<tr><td class=\"param-name\">120<\/td><td>37\/2.03<\/td><td>0.153<\/td><td>0.196<\/td><td>300<\/td><td>40.2<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"reference\">Reference \u53c2\u8003: <a href=\"https:\/\/www.goelectrical.com.au\/olx19-2f-214-3evaa9\" rel=\"nofollow noopener\" target=\"_blank\">Go Electrical Australia &#8211; Olex Varolex VSD Cable Specifications<\/a><\/div>\n<\/section>\n\n<section>\n<h2>8. Installation Best Practices \u5b89\u88c5\u6700\u4f73\u5b9e\u8df5<\/h2>\n\n<p>Proper cable termination is essential to realize the full EMC benefits of screened VFD cables. The screening system must maintain continuous low-impedance contact with the equipment enclosure ground throughout its entire length.<\/p>\n\n<div class=\"highlight-box\">\n<strong>Critical Installation Requirements \u5173\u952e\u5b89\u88c5\u8981\u6c42:<\/strong>\n<p style=\"margin-top:12px\">For maximum shielding effectiveness, EMC cable glands must provide 360\u00b0 circumferential contact between the cable screen and the gland body. Pigtail grounding connections create high-impedance discontinuities that significantly degrade EMC performance, particularly at high frequencies. The gland must connect to a conductive metallic enclosure ensuring low impedance between the cable screen and VFD ground point.<\/p>\n<div class=\"cn-note\" style=\"margin-top:12px;background:transparent;padding-left:0;\">\u4e3a\u83b7\u5f97\u6700\u5927\u5c4f\u853d\u6548\u80fd\uff0cEMC\u7535\u7f06\u683c\u5170\u5934\u5fc5\u987b\u5728\u7535\u7f06\u5c4f\u853d\u5c42\u548c\u683c\u5170\u5934\u672c\u4f53\u4e4b\u95f4\u63d0\u4f9b360\u00b0\u5706\u5468\u63a5\u89e6\u3002\u8fab\u72b6\u63a5\u5730\u8fde\u63a5\u4f1a\u4ea7\u751f\u9ad8\u963b\u6297\u4e0d\u8fde\u7eed\u70b9\uff0c\u4e25\u91cd\u964d\u4f4eEMC\u6027\u80fd\uff0c\u7279\u522b\u662f\u5728\u9ad8\u9891\u65f6\u3002\u683c\u5170\u5934\u5fc5\u987b\u8fde\u63a5\u5230\u5bfc\u7535\u91d1\u5c5e\u5916\u58f3\uff0c\u786e\u4fdd\u7535\u7f06\u5c4f\u853d\u5c42\u4e0e\u53d8\u9891\u5668\u63a5\u5730\u70b9\u4e4b\u95f4\u7684\u4f4e\u963b\u6297\u3002<\/div>\n<\/div>\n\n<div class=\"reference\">Reference \u53c2\u8003: <a href=\"https:\/\/www.belden.com\/products\/cable\/vfd-cable\" rel=\"nofollow noopener\" target=\"_blank\">Belden &#8211; VFD Cable Installation and Performance<\/a><\/div>\n<\/section>\n\n<section class=\"contact-section\">\n<h2>Contact Anhui Feichun Special Cable \u8054\u7cfb\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06<\/h2>\n<p>For technical consultation on VFD cable selection, custom cable solutions, or quotation requests, please contact our engineering team:<\/p>\n<div class=\"cn-note\">\u5982\u9700\u53d8\u9891\u7535\u7f06\u9009\u578b\u6280\u672f\u54a8\u8be2\u3001\u5b9a\u5236\u7535\u7f06\u89e3\u51b3\u65b9\u6848\u6216\u62a5\u4ef7\u8bf7\u6c42\uff0c\u8bf7\u8054\u7cfb\u6211\u4eec\u7684\u5de5\u7a0b\u56e2\u961f\uff1a<\/div>\n\n<div class=\"contact-grid\">\n<div class=\"contact-item\">\n<strong>WhatsApp \u5fae\u4fe1\u540c\u53f7<\/strong>\n<a href=\"https:\/\/wa.me\/8613855123218\" rel=\"nofollow noopener\" target=\"_blank\">+86 138-5512-3218<\/a>\n<\/div>\n<div class=\"contact-item\">\n<strong>Technical Support \u6280\u672f\u652f\u6301<\/strong>\n<a href=\"mailto:tech@feichuncables.com\" rel=\"nofollow\">tech@feichuncables.com<\/a>\n<\/div>\n<div class=\"contact-item\">\n<strong>Sales &#8211; Mr. Yang \u6768\u5148\u751f<\/strong>\n<a href=\"mailto:zihao.yang@feichuncables.com\" rel=\"nofollow\">zihao.yang@feichuncables.com<\/a>\n<\/div>\n<div class=\"contact-item\">\n<strong>Sales &#8211; Mr. Huang \u9ec4\u5148\u751f<\/strong>\n<a href=\"mailto:ziyu.huang@feichuncables.com\" rel=\"nofollow\">ziyu.huang@feichuncables.com<\/a>\n<\/div>\n<\/div>\n<\/section>\n\n<section>\n<h2>9. References &#038; External Resources \u53c2\u8003\u6587\u732e\u4e0e\u5916\u90e8\u8d44\u6e90<\/h2>\n<p>The following authoritative sources were consulted in the preparation of this technical comparison:<\/p>\n<p><a href=\"https:\/\/www.nexans.com.au\/en\/products\/Olex-Flex\/VAROLEX\/\" rel=\"nofollow noopener\" target=\"_blank\">Nexans Australia &#8211; Varolex Product Range<\/a> \u2014 Official manufacturer specifications for Olex Varolex VSD cables<\/p>\n<p><a href=\"https:\/\/www.elandcables.com\/cables\/variable-frequency-drive-vfd-cables\" rel=\"nofollow noopener\" target=\"_blank\">Eland Cables &#8211; VFD Cable Technical Reference<\/a> \u2014 Comprehensive VFD cable construction and selection guide<\/p>\n<p><a href=\"https:\/\/www.tpcwire.com\/blog\/vfd-what-it-is-and-why-using-vfd-cable-matters\" rel=\"nofollow noopener\" target=\"_blank\">TPC Wire &#038; Cable &#8211; VFD Cable Technology<\/a> \u2014 Industry perspective on VFD cable requirements<\/p>\n<p><a href=\"https:\/\/media.goelectrical.com.au\/Datasheets\/Olex\/Olex_Handbook.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Olex Cables Handbook 2012<\/a> \u2014 Complete technical specifications and application data<\/p>\n<p><a href=\"https:\/\/feichuncables.com\/blog\/din-vde-0250\/\" rel=\"nofollow\" target=\"_blank\">Feichun Cables &#8211; DIN VDE 0250 Standard Guide<\/a> \u2014 German standard interpretation for reeling and trailing cables<\/p>\n<\/section>\n\n<\/main>\n\n<footer>\n<p>\u00a9 2024-2026 Anhui Feichun Special Cable Co., Ltd. \u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/p>\n<p>Technical content for reference only. Specifications subject to change. \u6280\u672f\u5185\u5bb9\u4ec5\u4f9b\u53c2\u8003\uff0c\u89c4\u683c\u5982\u6709\u53d8\u66f4\u6055\u4e0d\u53e6\u884c\u901a\u77e5\u3002<\/p>\n<\/footer>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"Variable Frequency Drive (VFD) cables require specialized screening (shielding) constructions to manage electromagnetic interference (EMI) generated by pulse-width modulation (PWM) switching. The cable&#8217;s screening system serves two critical functions: containing radiated electrical noise that could interfere with nearby equipment, and providing a low-impedance path for common-mode currents to return to the drive ground.","protected":false},"author":1,"featured_media":6638,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"left","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"categories":[66,8],"tags":[25785,10385,1673,42099,29746,3816,13776,7039,3047,10386,2922,42096,42108,42104,4813,42105,31008,204,42098,42107,42100,228,6613,1247,7041,42097,42101,42106,42103,6382,42113,42095,9900,42102,35068,42111,35067,3230,11983,33119,11984,33054,42109],"class_list":["post-6637","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-cranes-and-material-handling-cable","tag-n3ghssycy-cable-2","tag-0-6-1kv-vsd-cable","tag-3-6-6kv-mining-cable","tag-3ghssycy-mining-cable","tag-6-10kv-flexible-cable","tag-as-nzs-5000-1-cable","tag-compressor-motor-cable","tag-conveyor-vfd-cable","tag-copper-braid-shielded-cable","tag-copper-tape-screened-cable","tag-din-vde-0250-cable","tag-emc-screened-cable","tag-emc","tag-hvac-variable-speed-drive-cable","tag-iec-60228-class-5","tag-industrial-motor-cable-emc","tag-manufacturing-automation-cable","tag-mining-trailing-cable","tag-olex-varolex-vfd-cable","tag-processing-plant-vfd-cable","tag-shielded-power-cable-3c3e","tag-tunnel-boring-machine-cable","tag-underground-mining-power-cable","tag-variable-frequency-drive-cable","tag-variable-speed-drive-cable","tag-varolex-vsd-cable","tag-vde-0295-flexible-conductor","tag-vfd-cable-for-fans","tag-vfd-cable-for-pumps","tag-vfd-motor-cable","tag-vfd","tag-vsd-emc-cable","tag-x-90-insulation-cable","tag-xlpe-insulated-vfd-cable","tag-35068","tag-42111","tag-35067","tag-3230","tag-11983","tag-33119","tag-11984","tag-33054","tag-42109","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/6637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/comments?post=6637"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/6637\/revisions"}],"predecessor-version":[{"id":6639,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/6637\/revisions\/6639"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/6638"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=6637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=6637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=6637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}