<style type="text/css">a[data-mtli~="mtli_filesize25699kB"]:after {content:" (256.99 kB)"}</style>{"id":11914,"date":"2022-04-10T17:48:14","date_gmt":"2022-04-10T17:48:14","guid":{"rendered":"https:\/\/swistec.ch\/?page_id=11914"},"modified":"2022-04-15T04:37:42","modified_gmt":"2022-04-15T04:37:42","slug":"low-voltage-injection","status":"publish","type":"page","link":"https:\/\/swistec.ch\/en\/products\/load-management\/classic-ripple-control\/low-voltage-injection\/","title":{"rendered":"Low Voltage Injection"},"content":{"rendered":"<section class=\"wpb-content-wrapper\"><p>[vc_row][vc_column]<div class=\"dfd-heading-shortcode\"><div class=\"dfd-heading-module-wrap  text-left style_01 dfd-heading-6ab322b72daf5 dfd-disable-resposive-headings\" id=\"dfd-heading-6ab322b72daf5\" ><div class=\"inline-block\"><div class=\"dfd-heading-module\"><h2 class=\"widget-title dfd-title \" style=\"\">Low Voltage Injection<\/h2><h4 class=\"widget-sub-title dfd-sub-title \" style=\"font-family:Noto Sans; font-weight:700; font-style:normal; \">Low voltage series couplings<\/h4><div class=\"dfd-heading-delimiter dfd-img-lazy-load\"><\/div><\/div><\/div><\/div><script type=\"text\/javascript\">\r\n\t\t\t\t\t\t\t\t\t(function($) {\r\n\t\t\t\t\t\t\t\t\t\t$(\"head\").append(\"<style>.dfd-heading-6ab322b72daf5.dfd-heading-module-wrap .dfd-heading-module .dfd-heading-delimiter {border-bottom-style:solid;border-bottom-width:1px;width:100px;border-bottom-color:#dddddd;}.dfd-heading-6ab322b72daf5.dfd-heading-module-wrap .dfd-heading-module .dfd-heading-delimiter {margin-top:10px;margin-bottom:10px;}<\/style>\");\r\n\t\t\t\t\t\t\t\t\t})(jQuery);\r\n\t\t\t\t\t\t\t\t<\/script><\/div>[\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;2\/3&#8243; css=&#8221;.vc_custom_1464158618059{margin-bottom: 21px !important;}&#8221;][vc_column_text]<strong>Serial Injection for Low Voltage<\/strong><\/p>\n<p>With low voltage serial couplings (also called neutral coupling or UT), the ripple control signal is fed into the star point of the low voltage transformer (LV transformer) and is available in phase on all three conductors of the network. Since with this type of coupling the signal is only available on the low voltage side, a low voltage coupling must be installed with each LV transformer. This type of coupling is independent of the location of the entry point of the medium-voltage, but entails a somewhat increased installation effort, since a pilot line must be installed from the ripple control transmitter to each serial injection.<\/p>\n<p>A serial injection coupling consists of the following components, matched to the ripple control frequency:<\/p>\n<ul>\n<li>1 transformer<\/li>\n<li>2 capacitors (combined in one cubicle)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>We stock the following types:<\/p>\n<ul>\n<li>RC freq.: 230 Hz, max. neutral current 575 A, for LV transfo rated 630 kVA<\/li>\n<li>RC freq.: 230 Hz, max. neutral current 1000 A, for LV transfo rated 1000 kVA<\/li>\n<li>RC freq.: 492 Hz, max. neutral current 575 A, for LV transfo rated 630 kVA<\/li>\n<li>RC freq.: 492 Hz, max. neutral current 1000 A, for LV transfo rated 1000 kVA<\/li>\n<li>RC freq.: 595 Hz, max. neutral current 575 A, for LV transfo rated 630 kVA<\/li>\n<li>RC freq.: 595 Hz, max. neutral current 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data-tablet_resolution=\"800\" data-tablet_size=\"0\" data-mobile_resolution=\"480\" data-mobile_size=\"80\" style=\"height: 0px;\"><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;2\/3&#8243; css=&#8221;.vc_custom_1464158618059{margin-bottom: 21px !important;}&#8221;][vc_column_text]Serial Injection for Low Voltage With low voltage serial couplings (also called neutral coupling or UT), the ripple control signal is fed into the star point<\/p>\n","protected":false},"author":9,"featured_media":1539,"parent":11374,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_links_to":"","_links_to_target":""},"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Our company, our commitment, our team and vacancies. 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