{"id":5522,"date":"2021-10-15T09:46:41","date_gmt":"2021-10-15T07:46:41","guid":{"rendered":"https:\/\/knowledgebase.fischerpanda.de\/?p=5522"},"modified":"2023-01-27T11:41:00","modified_gmt":"2023-01-27T10:41:00","slug":"event-175-converter-dc-link-current-low","status":"publish","type":"post","link":"https:\/\/knowledgebase.fischerpanda.de\/?p=5522","title":{"rendered":"Event 175 \u2013 Converter DC Link Current Low"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Event Description<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The measured DC link current on the power converter is too low or negative (reverse polarity).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The DC current is too low if it is below the expected system current or it becomes unexpected negative.<\/li>\n\n\n\n<li>The error is triggered by the converter control unit, which is part of the Power Electronic Unit.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><img decoding=\"async\" width=\"56\" height=\"56\" class=\"wp-image-2536\" style=\"width: 56px;\" alt=\"\" src=\"https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/10\/information_sbu_transparent_52px.png\"><br><strong>Information<\/strong><br>The power converter is the power electronics unit that converts the generator voltage into the voltage required by the user system (e.g. inverter, rectifier or DC\/DC converter).<br>The DC link current is the current on high voltage electrolytic or polymer DC capacitors.<br>The DC-Link-Current is the current that flows into the high voltage DC capacitors. Dependent on the topology the current is measured at the DC link input or output line.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><img decoding=\"async\" width=\"56\" height=\"56\" class=\"wp-image-2536\" style=\"width: 56px;\" alt=\"\" src=\"https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/10\/information_sbu_transparent_52px.png\"><br><strong>Note<\/strong><br>Some current sensors (Hall Sensors) have a defined current direction that must be note during assembling.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Error view<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"128\" height=\"64\" src=\"https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2023\/01\/event-175-symbolic.jpg\" alt=\"\" class=\"wp-image-6277\"\/><figcaption class=\"wp-element-caption\"><em>Symbolic view<\/em><\/figcaption><\/figure>\n\n\n\n<h4 class=\"clear wp-block-heading\">Elements of the Event page<\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"857\" height=\"154\" src=\"https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/05\/elements-of-an-error-page.png\" alt=\"Elements of an Event page: Event type, QR-Code, event number and event symbol or text.\" class=\"wp-image-776\" srcset=\"https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/05\/elements-of-an-error-page.png 857w, https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/05\/elements-of-an-error-page-300x54.png 300w, https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/05\/elements-of-an-error-page-768x138.png 768w\" sizes=\"(max-width: 857px) 100vw, 857px\" \/><figcaption class=\"wp-element-caption\"><em>Elements of an Event page: Event type, QR-Code, event number and event symbol or text<\/em><\/figcaption><\/figure>\n\n\n\n<table class=\"wp-block-table\"><tbody><tr><td><strong>Event symbol<\/strong><\/td><td><strong>Consequences of the event<\/strong><\/td><\/tr><tr><td><img decoding=\"async\" width=\"18\" height=\"17\" class=\"wp-image-66\" style=\"width: 18px;\" alt=\"Error symbol\" src=\"https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/04\/shutdown-symbol.jpg\"> <strong>Error event<\/strong><\/td><td>When an <strong>error event<\/strong> occurs, the monitored value has reached its error limit. Error events <strong>shutdown the generator<\/strong><\/td><\/tr><tr><td><img decoding=\"async\" width=\"19\" height=\"18\" class=\"wp-image-67\" style=\"width: 19px;\" alt=\"Warning symbol\" src=\"https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/04\/warning-symbol.jpg\"> <strong>Warning event<\/strong><\/td><td>When a <strong>warning event<\/strong> occurs, the monitored value has reached its warning limit. Warning Events <strong>don&#8217;t shutdown the generator<\/strong><\/td><\/tr><tr><td><img decoding=\"async\" width=\"17\" height=\"17\" class=\"wp-image-69\" style=\"width: 17px;\" alt=\"Information symbol\" src=\"https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/04\/info-symbol.jpg\"> <strong>Information event<\/strong><\/td><td>An <strong>Information event<\/strong> is for information purpose only and has <strong>no effect on the generator operation<\/strong><\/td><\/tr><\/tbody><\/table>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-dots\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Device that triggers this event:<\/strong><\/td><td><strong>Converter Control Unit <\/strong>(part of the Power Electronic Unit)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-dots\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Warning<\/td><td>No<\/td><\/tr><tr><td><strong>Error<\/strong><\/td><td><strong>Yes<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-dots\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">Safety instructions<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">These symbols are used to warn of the possibility of personal injury of lethal danger during certain maintenance work or operations. See Users Manual for Safety Information and complete operating information. Read these instructions carefully. For further information click on the corresponding symbol. Each link opens a new tab. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft is-resized\"><a href=\"https:\/\/knowledgebase.fischerpanda.de\/?attachment_id=1652\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/08\/read-manual_wei\u00df_klein.jpg\" alt=\"Observe the instructions in the manual\" class=\"wp-image-1652\" width=\"78\" height=\"78\"\/><\/a><figcaption class=\"wp-element-caption\">MANDATORY INSTRUCTION: Observe the instructions in the manual<\/figcaption><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-image is-resized\"><a href=\"https:\/\/knowledgebase.fischerpanda.de\/?attachment_id=491\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/knowledgebase.fischerpanda.de\/wp-content\/uploads\/2019\/04\/warning_r_general.gif\" alt=\"General warning\" class=\"wp-image-491\" width=\"81\" height=\"70\"\/><\/a><figcaption class=\"wp-element-caption\">General warning<\/figcaption><\/figure>\n\n\n\n<h4 class=\"clear wp-block-heading\">Causes and solutions<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Common causes<\/strong><\/td><td><strong>Possible solutions<\/strong><\/td><\/tr><tr><td>Current sensors in the power electronics are not connected, reverse mounted or defective.<\/td><td>Check the current sensors for correct connection, mounting and for defects.<\/td><\/tr><tr><td>Fully discharged DC capacitors are connected to power supply without precharge, resulting in a short-term but high reverse inrush current.<\/td><td>If this inrush current triggers this error, the configuration parameter of the generator must be adjusted or the user system must be designed so that this situation is prevented and does not occur.<\/td><\/tr><tr><td>A negative current occurs caused by defective power electronics parts or a short circuit.<\/td><td>Contact the Fischer Panda Service.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity clear is-style-dots\"\/>\n\n\n\n<h4 class=\"clear wp-block-heading\">Distributors and Services<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">For any service or maintenance questions, please contact Fischer Panda or our <a rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\" href=\"https:\/\/www.fischerpanda.de\/distributors-and-services.htm\" target=\"_blank\">worldwide partners<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-dots\"\/>\n","protected":false},"excerpt":{"rendered":"<p>The measured DC link current on the power converter is too low or negative (reverse polarity).<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[],"class_list":["post-5522","post","type-post","status-publish","format-standard","hentry","category-event-codes","entry"],"acf":[],"_links":{"self":[{"href":"https:\/\/knowledgebase.fischerpanda.de\/index.php?rest_route=\/wp\/v2\/posts\/5522","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/knowledgebase.fischerpanda.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/knowledgebase.fischerpanda.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/knowledgebase.fischerpanda.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/knowledgebase.fischerpanda.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5522"}],"version-history":[{"count":5,"href":"https:\/\/knowledgebase.fischerpanda.de\/index.php?rest_route=\/wp\/v2\/posts\/5522\/revisions"}],"predecessor-version":[{"id":6282,"href":"https:\/\/knowledgebase.fischerpanda.de\/index.php?rest_route=\/wp\/v2\/posts\/5522\/revisions\/6282"}],"wp:attachment":[{"href":"https:\/\/knowledgebase.fischerpanda.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/knowledgebase.fischerpanda.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/knowledgebase.fischerpanda.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}