{"id":2724,"date":"2021-10-16T11:12:49","date_gmt":"2021-10-16T03:12:49","guid":{"rendered":"http:\/\/mgl.com.hk\/?p=2724"},"modified":"2023-05-05T11:15:45","modified_gmt":"2023-05-05T03:15:45","slug":"new-pmvfups01-backup-power-supply-for-interface-protection-system-units","status":"publish","type":"post","link":"https:\/\/mgl.com.hk\/?p=2724","title":{"rendered":"New PMVFUPS01 backup power supply for interface protection system units"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2724\" class=\"elementor elementor-2724\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fc37be2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fc37be2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-15509ec\" data-id=\"15509ec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-31c20b8 elementor-widget elementor-widget-text-editor\" data-id=\"31c20b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In power generation applications, the rules governing connection to utility grids are set out in standards CEI 0-21 and CEI 0-16. In particular, the standards require that an interface protection system (IP) be installed to monitor the status of the grid so that the generation system can connect to it.<\/p><p><audio style=\"display: none;\" controls=\"controls\"><\/audio><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e1ba484 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e1ba484\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-c4d6f1e\" data-id=\"c4d6f1e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fd18a02 elementor-widget elementor-widget-image\" data-id=\"fd18a02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"580\" height=\"425\" src=\"https:\/\/mgl.com.hk\/wp-content\/uploads\/2023\/05\/PMVFUPS01_580.jpg\" class=\"attachment-large size-large wp-image-2726\" alt=\"\" srcset=\"https:\/\/mgl.com.hk\/wp-content\/uploads\/2023\/05\/PMVFUPS01_580.jpg 580w, https:\/\/mgl.com.hk\/wp-content\/uploads\/2023\/05\/PMVFUPS01_580-300x220.jpg 300w, https:\/\/mgl.com.hk\/wp-content\/uploads\/2023\/05\/PMVFUPS01_580-16x12.jpg 16w\" sizes=\"(max-width: 580px) 100vw, 580px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-ef6df94\" data-id=\"ef6df94\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8d9291e elementor-widget elementor-widget-text-editor\" data-id=\"8d9291e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The standards also specify that the powered components of the system (including the interface protection relay, contactor coil and backup disconnector coil, if present) maintain power for at least 5 seconds when main power fails.<\/p><p>This requirement is often satisfied by installing a UPS on the auxiliary lines to which the IP is connected.<\/p><p>However, not just any UPS will do: it is critical that it be able to eliminate any micro-interruptions when switching from mains to battery power, otherwise the contactor would open and thus violate the requirements of the standards.<br \/>The UPS must therefore be of the zero transfer time type (double conversion on-line \u2013 Voltage and Frequency Independent VFI).<br \/>This type of UPS is often very costly in relation to the total cost of the installation.<\/p><p><audio style=\"display: none;\" controls=\"controls\"><\/audio><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ede0b40 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ede0b40\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3067ffb\" data-id=\"3067ffb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c828d6b elementor-widget elementor-widget-text-editor\" data-id=\"c828d6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Lovato Electric<\/strong>\u00a0thus offers an alternative to the UPS solution. This is the\u00a0<strong>PMVFUPS01, a modular backup power supply<\/strong>\u00a0for DIN rail installation, powered at 230VAC, which assures continuous operation thanks to its use of capacitor technology.<br \/>This accumulator device is also completely maintenance free in comparison to battery-powered UPS systems, the operation of which must be constantly checked, thus incurring costs in terms of both time and money.<\/p><p>The very fast capacitor recharging time enables quick re-arming after use, and two front panel LEDs signal the charge status of the unit. The 9 DIN module housing is ideal for installation even in enclosures with limited space.<\/p><p><strong>LOVATO Electric<\/strong>\u00a0offers a complete solution for photovoltaic system switching.<br \/>The product range includes\u00a0<strong>PMVF\u2026 interface protection systems\u00a0<\/strong>for controlling the connection of the generation system to the grid,\u00a0<strong>interface devices<\/strong>\u00a0including\u00a0<strong>BF\u2026 series contactors<\/strong>\u00a0to disconnect the system if its voltage or frequency are out of range, and the new PMVFUPS01 backup power supply to guarantee continuity in case of power failure.<\/p><p><audio style=\"display: none;\" controls=\"controls\"><\/audio><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-387b30c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"387b30c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4ac5683\" data-id=\"4ac5683\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6f37760 elementor-widget elementor-widget-text-editor\" data-id=\"6f37760\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><cite style=\"margin: 0in; font-family: Calibri; font-size: 9.0pt; color: #595959;\">From &lt;<a href=\"https:\/\/www.lovatoelectric.com\/cn_zh\/new-pmvfups01-backup-power-supply-for-interface-protection-system-units\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.lovatoelectric.com\/cn_zh\/new-pmvfups01-backup-power-supply-for-interface-protection-system-units\/<\/a>&gt; <\/cite><\/p><p><audio style=\"display: none;\" controls=\"controls\"><\/audio><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>In power generation applications, the rules governing c [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[16],"tags":[],"class_list":["post-2724","post","type-post","status-publish","format-standard","hentry","category-16"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false,"tptn_thumbnail":false},"uagb_author_info":{"display_name":"Wu, Stella","author_link":"https:\/\/mgl.com.hk\/author\/stella"},"uagb_comment_info":0,"uagb_excerpt":"In power generation applications, the rules governing c...","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Wu, Stella","author_link":"https:\/\/mgl.com.hk\/author\/stella"},"rttpg_comment":0,"rttpg_category":"<a href=\"https:\/\/mgl.com.hk\/?cat=16\" rel=\"category\">\u7522\u54c1\u63a8\u5ee3<\/a>","rttpg_excerpt":"In power generation applications, the rules governing 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