{"id":2096,"date":"2026-01-21T18:15:11","date_gmt":"2026-01-21T10:15:11","guid":{"rendered":"https:\/\/zmgs-global.com\/?p=2096"},"modified":"2026-04-03T17:17:11","modified_gmt":"2026-04-03T09:17:11","slug":"what-is-a-shunt-power-capacitor","status":"publish","type":"post","link":"https:\/\/zmgs-global.com\/pt\/what-is-a-shunt-power-capacitor.html","title":{"rendered":"What Is A Shunt Power Capacitor?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2096\" class=\"elementor elementor-2096\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d186757 e-flex e-con-boxed e-con e-parent\" data-id=\"d186757\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3f51a57 elementor-widget elementor-widget-text-editor\" data-id=\"3f51a57\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>If you have ever walked past a utility substation or through the back room of a large factory, you might have heard a deep, steady hum. That is the sound of massive amounts of electricity moving through transformers and motors. But there is a silent partner in that room, usually sitting quietly in a gray metal enclosure, doing some of the most important work on the grid.<\/p><p>That component is the\u00a0<a href=\"https:\/\/zmgs-global.com\/pt\/products\/\"><strong>shunt power capacitor<\/strong><\/a>.<\/p><p>It isn&#8217;t a battery, and it doesn&#8217;t generate electricity in the way a generator does. Instead, it acts like a shock absorber for the electrical system. Without it, our power grids would be incredibly inefficient, voltage levels would drop unpredictably, and your electricity bill\u2014especially if you run a factory\u2014would be astronomically higher.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f795857 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"f795857\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/Integration-Power-Capacitor.webp\" class=\"attachment-full size-full wp-image-1600\" alt=\"Condensador de pot\u00eancia de integra\u00e7\u00e3o\" srcset=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/Integration-Power-Capacitor.webp 800w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/Integration-Power-Capacitor-150x150.webp 150w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/Integration-Power-Capacitor-768x768.webp 768w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/elementor\/thumbs\/Integration-Power-Capacitor-rg88djowpr40pd8ev4pefyks807bj8giivsm6tl8kg.webp 400w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72ccf53 elementor-widget elementor-widget-heading\" data-id=\"72ccf53\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<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:\/\/zmgs-global.com\/pt\/what-is-a-shunt-power-capacitor.html\/#The_Core_Function_of_a_Shunt_Power_Capacitor\" >The Core Function of a Shunt Power Capacitor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-a-shunt-power-capacitor.html\/#Why_Industries_Rely_on_Shunt_Power_Capacitor_Banks\" >Why Industries Rely on Shunt Power Capacitor Banks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-a-shunt-power-capacitor.html\/#Shunt_vs_Series_Knowing_the_Difference\" >Shunt vs. Series: Knowing the Difference<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-a-shunt-power-capacitor.html\/#Operation_and_Safety_Considerations\" >Operation and Safety Considerations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-a-shunt-power-capacitor.html\/#Resource\" >Resource<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/zmgs-global.com\/pt\/what-is-a-shunt-power-capacitor.html\/#FAQ\" >FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"The_Core_Function_of_a_Shunt_Power_Capacitor\"><\/span>The Core Function of a Shunt Power Capacitor<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bf3957e elementor-widget elementor-widget-text-editor\" data-id=\"bf3957e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>To understand why we need these devices, you have to understand that not all electricity is created equal. When you switch on a simple lightbulb, the electricity flows directly and does work. This is called &#8220;active power.&#8221;<\/p><p>But when you turn on a heavy electric motor, like in an air conditioner or an industrial conveyor belt, the physics change. These machines rely on magnetic fields to spin. Creating that magnetic field requires energy that doesn&#8217;t actually do any &#8220;work&#8221; (it doesn&#8217;t turn the shaft); it just sustains the field. This is called &#8220;reactive power.&#8221;<\/p><p>Here is the problem: The power company has to send\u00a0<em>both<\/em>\u00a0types of power down the wire. This clogs up the lines.<\/p><p>A\u00a0shunt power capacitor\u00a0solves this by acting as a local reservoir for that reactive power. Instead of the motor asking the power plant for that magnetic energy, it asks the capacitor sitting right next to it. The capacitor provides the reactive kick, leaving the main power lines free to carry just the useful, active power.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2882dfc elementor-widget elementor-widget-heading\" data-id=\"2882dfc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The \"Beer\" Analogy<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0c85ca elementor-widget elementor-widget-text-editor\" data-id=\"c0c85ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Engineers love to explain this with a mug of beer.<\/p><ul><li><strong>The Liquid:<\/strong>\u00a0This is the Active Power (kW). It\u2019s what you actually want (the work).<\/li><li><strong>The Foam:<\/strong>\u00a0This is the Reactive Power (kVAR). It takes up space in the glass, but you can&#8217;t drink it.<\/li><li><strong>The Glass Capacity:<\/strong>\u00a0This is the Apparent Power (kVA).<\/li><\/ul><p>If you have too much foam, you get less beer in the glass. A\u00a0shunt power capacitor\u00a0essentially reduces the foam so you can fill the glass with more liquid.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0555dc6 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"0555dc6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"400\" height=\"400\" src=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/high-voltage-power-capacitor-400x400-c.webp\" class=\"attachment-full size-full wp-image-1589\" alt=\"condensador de pot\u00eancia trif\u00e1sico\" srcset=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/high-voltage-power-capacitor-400x400-c.webp 400w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/12\/high-voltage-power-capacitor-400x400-c-150x150.webp 150w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f80e642 elementor-widget elementor-widget-heading\" data-id=\"f80e642\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Why_Industries_Rely_on_Shunt_Power_Capacitor_Banks\"><\/span>Why Industries Rely on Shunt Power Capacitor Banks<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f28908 elementor-widget elementor-widget-text-editor\" data-id=\"7f28908\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>For a homeowner, this doesn&#8217;t matter much. But for a large facility, &#8220;bad power&#8221; is expensive.<\/p><p>When a factory has too many motors running without capacitors, their &#8220;Power Factor&#8221; drops. Power Factor is just a score from 0 to 1 measuring efficiency. If the score drops below 0.95, utility companies usually slap the business with a heavy fine or a surcharge. They do this because the utility has to burn more coal or gas to push that useless &#8220;foam&#8221; through the wires.<\/p><p>By installing a\u00a0shunt power capacitor\u00a0bank, facility managers can:<\/p><ol><li><strong>Eliminate Penalties:<\/strong>\u00a0It brings the Power Factor back up to near 1.0.<\/li><li><strong>Stabilize Voltage:<\/strong>\u00a0Heavy loads can cause lights to dim or computers to crash. Capacitors prop up the voltage level.<\/li><li><strong>Cool Down the Wires:<\/strong>\u00a0Less current flowing through the system means less heat build-up in the cables and transformers.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e0334ac elementor-widget elementor-widget-heading\" data-id=\"e0334ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Shunt_vs_Series_Knowing_the_Difference\"><\/span>Shunt vs. Series: Knowing the Difference<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9750481 elementor-widget elementor-widget-text-editor\" data-id=\"9750481\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>It is easy to get confused because there are different types of capacitors on the grid. The word &#8220;shunt&#8221; is the key here. In electrical terms, &#8220;shunt&#8221; means &#8220;parallel.&#8221;<\/p><p>A\u00a0shunt power capacitor\u00a0is connected\u00a0<em>across<\/em>\u00a0the lines (between the live wire and neutral, or between phases). It is there to maintain voltage and provide reactive power.<\/p><p>There is also something called a &#8220;series capacitor,&#8221; but it does a totally different job. It is wired\u00a0<em>in line<\/em>\u00a0with the wire to reduce the impedance of long transmission lines. You usually only see series capacitors on those massive high-voltage towers stretching across the countryside, whereas shunt capacitors are everywhere, from the pole outside your house to the factory floor.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-092a42f elementor-widget elementor-widget-text-editor\" data-id=\"092a42f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div style=\"overflow-x: auto; -webkit-overflow-scrolling: touch;\">\n  <table style=\"min-width: 650px; color: black; border-collapse: collapse; width: 100%;\">\n    <thead style=\"background-color: #f2f2f2; font-weight: bold; color: black;\">\n      <tr>\n        <th style=\"border: 1px solid #ddd; padding: 10px; text-align: left; color: black;\">Feature<\/th>\n        <th style=\"border: 1px solid #ddd; padding: 10px; text-align: left; color: black;\">Shunt Power Capacitor<\/th>\n        <th style=\"border: 1px solid #ddd; padding: 10px; text-align: left; color: black;\">Series Capacitor<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Connection<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Connected in Parallel (Phase-to-Ground)<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Connected in Series (In-line)<\/td>\n      <\/tr>\n      <tr>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Primary Purpose<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Power Factor Correction &#038; Voltage Control<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Improving Transmission Stability<\/td>\n      <\/tr>\n      <tr>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Current Flow<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Draws a small current continuously<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Full line current flows through it<\/td>\n      <\/tr>\n      <tr>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Typical Location<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Substations, Factories, Distribution Poles<\/td>\n        <td style=\"border: 1px solid #ddd; padding: 10px;\">Very Long High-Voltage Transmission Lines<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1cc3df0 elementor-widget elementor-widget-heading\" data-id=\"1cc3df0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Operation_and_Safety_Considerations\"><\/span>Operation and Safety Considerations<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93d9cf0 elementor-widget elementor-widget-text-editor\" data-id=\"93d9cf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Walking up to a capacitor bank can be intimidating. They are often large metal cans or rectangular boxes. Inside, layers of foil and plastic film are tightly wound and soaked in a dielectric fluid. This fundamental construction is similar for a\u00a0low voltage power capacitor, though on a much smaller physical scale.<\/p><p class=\"ds-markdown-paragraph\">One critical safety thing to remember from an observational standpoint is that a capacitor is never truly &#8220;off&#8221; just because you flipped the switch. They are energy storage devices. Even if disconnected from the grid, a large\u00a0shunt power capacitor\u00a0can hold a lethal charge for minutes or even hours. While the stored energy in a typical\u00a0low voltage power capacitor\u00a0is far less dangerous, the principle of residual charge still applies.<\/p><p class=\"ds-markdown-paragraph\">That is why modern units, from large banks to smaller assemblies, have &#8220;discharge resistors&#8221; built-in. These little components slowly bleed off the stored energy when the power is cut, making them safe to touch after a short time. If you ever see a capacitor\u2014whether a high-voltage bank or a\u00a0<a href=\"https:\/\/zmgs-global.com\/pt\/products\/low-voltage-power-capacitor\/\"><strong>low voltage shunt power capacitor<\/strong><\/a>\u2014with a bulging case or oil leaking out, it means the internal insulation has failed. This is often due to overheating or voltage spikes, and it\u2019s a clear sign the component is a ticking time bomb that needs immediate replacement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-517d634 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"517d634\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"878\" height=\"587\" src=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/ZMZ-D-series-intelligent-integrated-low-voltage-filtering-power-capacitor.webp\" class=\"attachment-full size-full wp-image-799\" alt=\"Condensador de pot\u00eancia com filtragem de baixa tens\u00e3o integrado e inteligente da s\u00e9rie ZMZ-D\" srcset=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/ZMZ-D-series-intelligent-integrated-low-voltage-filtering-power-capacitor.webp 878w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/ZMZ-D-series-intelligent-integrated-low-voltage-filtering-power-capacitor-768x513.webp 768w\" sizes=\"(max-width: 878px) 100vw, 878px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de4d84a elementor-widget elementor-widget-heading\" data-id=\"de4d84a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Resource\"><\/span>Resource<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-415dc21 elementor-widget elementor-widget-text-editor\" data-id=\"415dc21\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>For further reading on electrical distribution and the physics behind reactive power, please refer to these established sources:<\/p><ul><li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Power_factor\" target=\"_blank\" rel=\"noopener\"><strong>Power Factor &#8211; Wikipedia<\/strong><\/a>: A detailed explanation of the relationship between real, reactive, and apparent power.\u00a0<\/li><li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Capacitor_bank\" target=\"_blank\" rel=\"noopener\"><strong>Capacitor Bank Applications<\/strong><\/a>: Overview of how capacitors are used in utility grids.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-669185f elementor-widget elementor-widget-heading\" data-id=\"669185f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ceffcd6 e-flex e-con-boxed e-con e-parent\" data-id=\"ceffcd6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-687cb57 elementor-widget elementor-widget-n-accordion\" data-id=\"687cb57\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Acorde\u00e3o. Abrir liga\u00e7\u00f5es com Enter ou Espa\u00e7o, fechar com Escape e navegar com Setas\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1090\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-1090\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Why is it called a \"Shunt\" capacitor? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1090\" class=\"elementor-element elementor-element-dad5c8f e-con-full e-flex e-con e-child\" data-id=\"dad5c8f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e0f1e73 elementor-widget elementor-widget-text-editor\" data-id=\"e0f1e73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>In electrical engineering, &#8220;shunt&#8221; refers to a parallel connection. The capacitor is wired in a parallel path to the load (like a motor), rather than in a series line with it. It &#8220;shunts&#8221; (or bridges) the connection between the power phases.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1091\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1091\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Can a shunt power capacitor reduce my home electricity bill? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1091\" class=\"elementor-element elementor-element-f710968 e-con-full e-flex e-con e-child\" data-id=\"f710968\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-209bf94 elementor-widget elementor-widget-text-editor\" data-id=\"209bf94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Probably not. Residential meters usually only charge you for &#8220;active power&#8221; (watts), not reactive power. While a capacitor might make your home slightly more efficient electrically, it won&#8217;t lower the bill unless your utility company charges for kVA (which is rare for homes).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1092\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1092\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Do these capacitors last forever?  <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1092\" class=\"elementor-element elementor-element-690a208 e-con-full e-flex e-con e-child\" data-id=\"690a208\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c9c7c61 elementor-widget elementor-widget-text-editor\" data-id=\"c9c7c61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>No. They are stressed by heat and voltage spikes. Over time, the dielectric material inside degrades. A typical industrial\u00a0<strong>shunt power capacitor<\/strong>\u00a0might last 10 to 15 years, but in environments with &#8220;dirty&#8221; power (lots of harmonics), they can fail much sooner.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"If you have ever walked past a utility substation or through the back room of a large factory, you might have heard a deep, steady hum. That is the sound of massive amounts of electricity moving through transformers and motors. But there is a silent partner in that room, usually sitting quietly in a gray [&hellip;]","protected":false},"author":8,"featured_media":155,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[55],"class_list":["post-2096","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-power-capacitor"],"acf":[],"_links":{"self":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/posts\/2096","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/comments?post=2096"}],"version-history":[{"count":0,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/posts\/2096\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/media\/155"}],"wp:attachment":[{"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/media?parent=2096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/categories?post=2096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zmgs-global.com\/pt\/wp-json\/wp\/v2\/tags?post=2096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}