{"id":20360,"date":"2023-08-01T10:50:08","date_gmt":"2023-08-01T10:50:08","guid":{"rendered":"https:\/\/www.topcable.com\/blog-electric-cable\/?p=20360"},"modified":"2025-03-14T09:10:54","modified_gmt":"2025-03-14T09:10:54","slug":"cables-variable-frequency","status":"publish","type":"post","link":"https:\/\/www.topcable.com\/blog-electric-cable\/cables-variable-frequency\/","title":{"rendered":"Cables for variable frequency motor drives EMC"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>In recent years, the use of EMC variable frequency drive motors has been increasing, both in new and existing industries, where they are gradually replacing traditional motor systems.<\/strong><\/p>\n\n\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-20362 lazyload\" alt=\"\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/fotolia.png\" data-object-fit=\"cover\"\/><noscript><img decoding=\"async\" width=\"887\" height=\"306\" class=\"wp-block-cover__image-background wp-image-20362 lazyload\" alt=\"\" src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/fotolia.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/fotolia.png 887w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/fotolia-300x103.png 300w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/fotolia-768x265.png 768w\" sizes=\"(max-width: 887px) 100vw, 887px\" \/><\/noscript><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">But while this new technology has great advantages, it does bring with it some drawbacks; these, however, can be mitigated or remedied.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left-text counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-6a35177c98f8c\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-title\" style=\"cursor:inherit\">INDEX<\/span>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #444444;color:#444444\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #444444;color:#444444\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a35177c98f8c\" checked \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topcable.com\/blog-electric-cable\/cables-variable-frequency\/#disturbances-caused-by-the-use-of-motors-inverters\" >DISTURBANCES CAUSED BY THE USE OF: MOTORS + INVERTERS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topcable.com\/blog-electric-cable\/cables-variable-frequency\/#1-emission-of-harmonic-frequency-currents-into-the-grid\" >1. EMISSION OF HARMONIC FREQUENCY CURRENTS INTO THE GRID:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topcable.com\/blog-electric-cable\/cables-variable-frequency\/#2-damage-to-the-motor-and-associated-drive-as-a-result-of-high-frequency-eddy-currents\" >2. DAMAGE TO THE MOTOR AND ASSOCIATED DRIVE AS A RESULT OF HIGH FREQUENCY EDDY CURRENTS:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topcable.com\/blog-electric-cable\/cables-variable-frequency\/#3-emission-of-high-frequency-electromagnetic-waves\" >3. EMISSION OF HIGH FREQUENCY ELECTROMAGNETIC WAVES:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topcable.com\/blog-electric-cable\/cables-variable-frequency\/#standard-cables-satisfying-the-requirements-for-emc-compliance-variable-frequency\" >STANDARD CABLES SATISFYING THE REQUIREMENTS FOR EMC COMPLIANCE (VARIABLE FREQUENCY)<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"disturbances-caused-by-the-use-of-motors-inverters\"><\/span>DISTURBANCES CAUSED BY THE USE OF: MOTORS + INVERTERS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Three types of disturbances occur with the use of this equipment:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1-emission-of-harmonic-frequency-currents-into-the-grid\"><\/span><strong>1.<\/strong> <strong>EMISSION OF HARMONIC FREQUENCY CURRENTS INTO THE GRID:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>This can be avoided by following the recommendations of the equipment manufacturer.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Depending on the size of the equipment, some of the manufacturers recommend placing harmonic filters on the power supply line, so as not to cause high-frequency disturbances to the network.<\/p>\n\n\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-18173 lazyload\" alt=\"Variable frequency\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/propiedades-uv-mejoradas-para-el-cable-toxfree-rz1-k-1024x425.jpg\" data-object-fit=\"cover\"\/><noscript><img decoding=\"async\" width=\"1024\" height=\"425\" class=\"wp-block-cover__image-background wp-image-18173 lazyload\" alt=\"Variable frequency\" src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/propiedades-uv-mejoradas-para-el-cable-toxfree-rz1-k-1024x425.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/propiedades-uv-mejoradas-para-el-cable-toxfree-rz1-k-1024x425.jpg 1024w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/propiedades-uv-mejoradas-para-el-cable-toxfree-rz1-k-300x125.jpg 300w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/propiedades-uv-mejoradas-para-el-cable-toxfree-rz1-k-768x319.jpg 768w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/propiedades-uv-mejoradas-para-el-cable-toxfree-rz1-k.jpg 1170w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/noscript><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2-damage-to-the-motor-and-associated-drive-as-a-result-of-high-frequency-eddy-currents\"><\/span><strong>2.<\/strong> <strong>DAMAGE TO THE MOTOR AND ASSOCIATED DRIVE AS A RESULT OF HIGH FREQUENCY EDDY CURRENTS:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>This can be avoided by observing all the rules of the art in the installation.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Damage to the motor and associated drives is the consequence of high-frequency currents inside the motor. The cause of the circulation of high-frequency currents inside the motor is the capacitance imbalance of the motor winding turns with respect to the stator; these imbalances allow the high-frequency currents to close through the stator iron and not continue into the copper winding.<\/p>\n\n\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-20323 lazyload\" alt=\"\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/captura-de-pantalla-2024-03-19-a-las-100842-1024x364.jpg\" data-object-fit=\"cover\"\/><noscript><img decoding=\"async\" width=\"1024\" height=\"364\" class=\"wp-block-cover__image-background wp-image-20323 lazyload\" alt=\"\" src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/captura-de-pantalla-2024-03-19-a-las-100842-1024x364.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/captura-de-pantalla-2024-03-19-a-las-100842-1024x364.jpg 1024w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/captura-de-pantalla-2024-03-19-a-las-100842-300x107.jpg 300w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/captura-de-pantalla-2024-03-19-a-las-100842-768x273.jpg 768w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/captura-de-pantalla-2024-03-19-a-las-100842.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/noscript><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">This high-frequency stray current does not return to the inverter via the motor cable but via the shielding or earthing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The effect is an induced voltage in the rotor which generates a current that follows one of the following paths: 1) rotor &#8211; bearing &#8211; stator &#8211; bearing &#8211; rotor or 2) rotor &#8211; coupled gears &#8211; ground &#8211; bearing &#8211; rotor.<\/p>\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3-emission-of-high-frequency-electromagnetic-waves\"><\/span><strong>3.<\/strong> <strong>EMISSION OF HIGH FREQUENCY ELECTROMAGNETIC WAVES:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>This can be avoided by choosing properly shielded cables, approved cable glands and proper shielding of boards and motors.<\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/16-toxfree-zh-roz1-k-as-vfd-emc-1024x576.jpg\" alt=\"\" class=\"wp-image-18601 lazyload\"\/><noscript><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/16-toxfree-zh-roz1-k-as-vfd-emc-1024x576.jpg\" alt=\"\" class=\"wp-image-18601 lazyload\" srcset=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/16-toxfree-zh-roz1-k-as-vfd-emc-1024x576.jpg 1024w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/16-toxfree-zh-roz1-k-as-vfd-emc-300x169.jpg 300w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/16-toxfree-zh-roz1-k-as-vfd-emc-768x432.jpg 768w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/01\/16-toxfree-zh-roz1-k-as-vfd-emc.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Leakage of electromagnetic waves at high frequencies occurs when even small gaps remain in the scree<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"standard-cables-satisfying-the-requirements-for-emc-compliance-variable-frequency\"><\/span>STANDARD CABLES SATISFYING THE REQUIREMENTS FOR EMC COMPLIANCE (VARIABLE FREQUENCY)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>VARIABLE FREQUENCY POWER AND MOTOR CABLES:<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cable with concentric copper conductor shielding:<\/strong> Copper cable with PVC insulation, concentric copper conductor shielding and PVC outer sheath. Sections from 1.5 mm2 up to 95 mm2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cable with corrugated copper tape shield:<\/strong> Copper cables with PVC insulation, longitudinal corrugated copper tape shield and PVC outer sheath. Sections from 1.5 mm2 up to 10 mm2.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Drive-motor connection diagram:<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-20337 lazyload\" alt=\"\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vfd-motor-1024x426.jpg\" data-object-fit=\"cover\"\/><noscript><img decoding=\"async\" width=\"1024\" height=\"426\" class=\"wp-block-cover__image-background wp-image-20337 lazyload\" alt=\"\" src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vfd-motor-1024x426.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vfd-motor-1024x426.jpg 1024w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vfd-motor-300x125.jpg 300w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vfd-motor-768x319.jpg 768w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vfd-motor.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/noscript><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SIGNAL CABLES:<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cable with tinned copper mesh shield:<\/strong> Tinned copper cables with PVC insulation, twisted in pairs, aluminium-polyester tape shielding and tinned copper mesh, PVC outer sheath, with sections 0.12 to 0.35 mm2, 2 to 24 pairs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cable with copper mesh shielding:<\/strong> Copper cables with PVC insulation, twisted to pairs with individual aluminium-polyester shielding and drainage, aluminium-polyester tape shielding and copper mesh with sections 0.5 to 2.5 mm2, 2 to 36 pairs.<\/p>\n\n\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TOPDRIVE VFD ROZ1-K (AS) EMC TOPDRIVE CABLES WITH ELECTROMAGNETIC PROTECTION:<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/www.topcable.com\/cable\/topdrive-zh-roz1-k-as-vfd-emc-061-kv\/\" target=\"_blank\" rel=\"noreferrer noopener\">TOPDRIVE VFD (EMC) ROZ1-K (AS)<\/a> instrumentation cable <strong>manufactured by Top Cable<\/strong> provides the ideal form for data transmission in this type of environment (with variable frequency) offering high mechanical resistance and electro-magnetic compatibility (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Electromagnetic_compatibility\" target=\"_blank\" rel=\"noreferrer noopener\">EMC<\/a>) due to the 100% shield coverage.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Cable A, DOUBLE SCREEN design (Top Cable brand):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cable in 3-phase + 3-symmetrical earth structure<\/li>\n\n\n\n<li>Screen: Double aluminium-polyester tape shield + tinned copper braid.<\/li>\n\n\n\n<li>100% coverage.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/diseno-doble-pantalla.jpg\" alt=\"\" class=\"wp-image-20414 lazyload\"\/><noscript><img decoding=\"async\" width=\"907\" height=\"200\" src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/diseno-doble-pantalla.jpg\" alt=\"\" class=\"wp-image-20414 lazyload\" srcset=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/diseno-doble-pantalla.jpg 907w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/diseno-doble-pantalla-300x66.jpg 300w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/diseno-doble-pantalla-768x169.jpg 768w\" sizes=\"(max-width: 907px) 100vw, 907px\" \/><\/noscript><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Cable B, design LAND \/ DISPLAY:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cable in 3-phase structure + land \/ screen around the same.<\/li>\n\n\n\n<li>Land \/ screen: made up of copper wires in a helical arrangement.<\/li>\n\n\n\n<li>Coverage: 50%.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/diseno-tierra-pantalla-1.jpg\" alt=\"\" class=\"wp-image-20425 lazyload\"\/><noscript><img decoding=\"async\" width=\"907\" height=\"233\" src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/diseno-tierra-pantalla-1.jpg\" alt=\"\" class=\"wp-image-20425 lazyload\" srcset=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/diseno-tierra-pantalla-1.jpg 907w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/diseno-tierra-pantalla-1-300x77.jpg 300w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/diseno-tierra-pantalla-1-768x197.jpg 768w\" sizes=\"(max-width: 907px) 100vw, 907px\" \/><\/noscript><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">More information about TOPDRIVE VFD (EMC) ROZ1-K (AS) can be found <a href=\"https:\/\/www.topcable.com\/cable\/topdrive-zh-roz1-k-as-vfd-emc-061-kv\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>here<\/strong><\/a>, where the main features and applications of this cable are specified.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile has-background\" style=\"background:linear-gradient(175deg,rgb(238,238,238) 36%,rgb(202,202,202) 100%);line-height:0.4;grid-template-columns:54% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vd-banner-1024x425.jpg\" alt=\"\" class=\"wp-image-26400 size-full lazyload\"\/><noscript><img decoding=\"async\" width=\"1024\" height=\"425\" src=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vd-banner-1024x425.jpg\" alt=\"\" class=\"wp-image-26400 size-full lazyload\" srcset=\"https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vd-banner-1024x425.jpg 1024w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vd-banner-300x125.jpg 300w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vd-banner-768x319.jpg 768w, https:\/\/www.topcable.com\/blog-electric-cable\/wp-content\/uploads\/2024\/03\/vd-banner.jpg 1170w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\" style=\"line-height:0.9\"><strong>TOPDRIVE\u00ae ROZ1-K<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:clamp(14.082px, 0.88rem + ((1vw - 3.2px) * 0.814), 21px);line-height:1\">Flexible EMC LSZH screened cable for Variable Frequency Drive motors<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-48822b05 wp-block-buttons-is-layout-flex\" style=\"margin-top:0;margin-bottom:0\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link has-blanco-color has-azul-icono-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.topcable.com\/contact\/\/\" style=\"border-style:none;border-width:0px;border-radius:15px;padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\" target=\"_blank\" rel=\"noreferrer noopener\">More information<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In recent years, the use of EMC variable frequency drive motors has been increasing, both in new and existing industries, where they are gradually replacing traditional motor systems. But while this new technology has great advantages, it does bring with it some drawbacks; these, however, can be mitigated or remedied. DISTURBANCES CAUSED BY THE USE [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":18191,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[588],"tags":[946],"class_list":["post-20360","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-top-cable-en","tag-cables-en"],"_links":{"self":[{"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/posts\/20360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/comments?post=20360"}],"version-history":[{"count":5,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/posts\/20360\/revisions"}],"predecessor-version":[{"id":28421,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/posts\/20360\/revisions\/28421"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/media\/18191"}],"wp:attachment":[{"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/media?parent=20360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/categories?post=20360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topcable.com\/blog-electric-cable\/wp-json\/wp\/v2\/tags?post=20360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}