{"id":222,"date":"2025-10-06T08:56:25","date_gmt":"2025-10-06T00:56:25","guid":{"rendered":"https:\/\/mediumslateblue-chimpanzee-835813.hostingersite.com\/?post_type=product&#038;p=222"},"modified":"2025-12-22T13:57:19","modified_gmt":"2025-12-22T05:57:19","slug":"split-phase-capacitor-controller","status":"publish","type":"product","link":"https:\/\/zmgs-global.com\/pl\/product\/split-phase-capacitor-controller","title":{"rendered":"Split-Phase Capacitor Controller"},"content":{"rendered":"<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\">Spis tre\u015bci<\/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\/pl\/product\/split-phase-capacitor-controller\/#Application\" >Application<\/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\/pl\/product\/split-phase-capacitor-controller\/#Technical_Specifications\" >Technical Specifications<\/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\/pl\/product\/split-phase-capacitor-controller\/#Wiring_Diagram\" >Wiring Diagram<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Application\"><\/span><strong>Application<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>ZHIMING&nbsp;&nbsp;<\/strong>brand of JKWF-12 Series&nbsp;Reactive Power Auto-compensation Controller.<\/p>\n\n\n\n<p>1.1 Fully digital design with true AC sampling and a user-friendly human-machine interface featuring a large LCD display in English.<\/p>\n\n\n\n<p>1.2 Modular structure with an optimized, professional appearance.<\/p>\n\n\n\n<p>1.3 Real-time display of system parameters, including:<br>\u2003\u2003\u2013 Power factor<br>\u2003\u2003\u2013 Voltage<br>\u2003\u2003\u2013 Current<br>\u2003\u2003\u2013 Active power<br>\u2003\u2003\u2013 Reactive power<br>\u2003\u2003\u2013 Voltage total harmonic distortion (THD)<br>\u2003\u2003\u2013 Current total harmonic distortion (THD)<br>\u2003\u2003\u2013 System frequency (average)<br>\u2003\u2003\u2013 Capacitor switching status (on\/off)<\/p>\n\n\n\n<p>1.4 Capacitor control modes:<br>\u2003\u2003\u2013 Three-phase compensation<br>\u2003\u2003\u2013 Comprehensive (balanced) compensation<\/p>\n\n\n\n<p>1.5 Compensation modes:<br>\u2003\u2003\u2013 Manual mode<br>\u2003\u2003\u2013 Automatic mode<\/p>\n\n\n\n<p>1.6 Reactive power factor is used as the control sampling value, with integrated harmonic detection and protection functions.<\/p>\n\n\n\n<p>1.7 Equipped with an RS-485 communication interface and MODBUS protocol, enabling easy integration with intelligent power distribution cabinets.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Technical_Specifications\"><\/span><strong>Technical Specifications<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Measurement Data<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Voltage Measurement Range:<\/strong> 100V \u2013 290V<\/li>\n\n\n\n<li><strong>Primary Current Measurement Range:<\/strong> 0 \u2013 6000A<\/li>\n\n\n\n<li><strong>Secondary Current Sensitivity:<\/strong> \u2265 50mA<\/li>\n\n\n\n<li><strong>Power Factor Display Range:<\/strong> Lagging 0.200 ~ Leading 0.200<\/li>\n\n\n\n<li><strong>Operating Voltage:<\/strong> 220V \u00b1 20%<\/li>\n\n\n\n<li><strong>Frequency Range:<\/strong> 47 \u2013 53Hz<\/li>\n\n\n\n<li><strong>Active Power Measurement Range:<\/strong> 0 \u2013 6553 kW<\/li>\n\n\n\n<li><strong>Reactive Power Measurement Range:<\/strong> 0 \u2013 6553 kVar<\/li>\n\n\n\n<li><strong>Voltage Total Harmonic Distortion (THD):<\/strong> 0.0% \u2013 100.0%<\/li>\n\n\n\n<li><strong>Current Total Harmonic Distortion (THD):<\/strong> 0.0% \u2013 100.0%<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Input \/ Output Signals<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Voltage Sampling Inputs:<\/strong> L1, L2, L3 phases<\/li>\n\n\n\n<li><strong>Current Sampling Input:<\/strong> Bus current transformer (CT), secondary 0 \u2013 5A<\/li>\n\n\n\n<li><strong>Control Output:<\/strong> Relay output<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Communication Interface<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Communication Port:<\/strong> RS-485<\/li>\n\n\n\n<li><strong>Protocol:<\/strong> MODBUS RTU<\/li>\n\n\n\n<li><strong>Baud Rate:<\/strong> 9600 bps<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Settings and Adjustable Parameters<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CT Ratio Setting (Primary\/Secondary):<\/strong> 50 \u2013 9999 (\/5)<\/li>\n\n\n\n<li><strong>Input\/Disconnection Delay Time:<\/strong> 1 \u2013 240 seconds<\/li>\n\n\n\n<li><strong>Input Threshold Limit (cos\u03c6):<\/strong> 0.7 ~ \u20130.7<\/li>\n\n\n\n<li><strong>Over-Voltage Protection Threshold:<\/strong> 220V \u2013 260V<\/li>\n\n\n\n<li><strong>Under-Voltage Protection Threshold:<\/strong> 180V \u2013 220V<\/li>\n\n\n\n<li><strong>Voltage Harmonic Protection Limit:<\/strong> 1% \u2013 99%\n<ul class=\"wp-block-list\">\n<li><em>Note: Setting at 99% disables protection<\/em><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Current Harmonic Protection Limit:<\/strong> 1% \u2013 99%\n<ul class=\"wp-block-list\">\n<li><em>Note: Setting at 99% disables protection<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Wiring_Diagram\"><\/span>Wiring Diagram<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"839\" height=\"625\" src=\"https:\/\/mediumslateblue-chimpanzee-835813.hostingersite.com\/wp-content\/uploads\/2025\/09\/JKWF12\u63a5\u7ebf\u7b80\u56fe-1.jpg\" alt=\"\" class=\"wp-image-405\" style=\"width:793px;height:auto\" srcset=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/JKWF12\u63a5\u7ebf\u7b80\u56fe-1.jpg 839w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/JKWF12\u63a5\u7ebf\u7b80\u56fe-1-768x572.jpg 768w\" sizes=\"(max-width: 839px) 100vw, 839px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"799\" height=\"624\" src=\"https:\/\/mediumslateblue-chimpanzee-835813.hostingersite.com\/wp-content\/uploads\/2025\/09\/JKWF-12\u63a5\u7ebf\u7b80\u56fe-2.png\" alt=\"\" class=\"wp-image-406\" srcset=\"https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/JKWF-12\u63a5\u7ebf\u7b80\u56fe-2.png 799w, https:\/\/zmgs-global.com\/wp-content\/uploads\/2025\/09\/JKWF-12\u63a5\u7ebf\u7b80\u56fe-2-768x600.png 768w\" sizes=\"(max-width: 799px) 100vw, 799px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"Application ZHIMING&nbsp;&nbsp;brand of JKWF-12 Series&nbsp;Reactive Power Auto-compensation Controller. 1.1 Fully digital design with true AC sampling and a user-friendly human-machine interface featuring a large LCD display in English. 1.2 Modular structure with an optimized, professional appearance. 1.3 Real-time display of system parameters, including:\u2003\u2003\u2013 Power factor\u2003\u2003\u2013 Voltage\u2003\u2003\u2013 Current\u2003\u2003\u2013 Active power\u2003\u2003\u2013 Reactive power\u2003\u2003\u2013 Voltage total harmonic distortion 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