{"id":7765,"date":"2018-06-06T08:00:53","date_gmt":"2018-06-06T07:00:53","guid":{"rendered":"https:\/\/engineernewsnetwork.com\/blog\/?p=7765"},"modified":"2018-06-05T13:13:23","modified_gmt":"2018-06-05T12:13:23","slug":"insulated-nominal-voltage-measurements","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/insulated-nominal-voltage-measurements\/","title":{"rendered":"Insulated nominal voltage measurements"},"content":{"rendered":"<p>LEM introduces the <span class=\"highlight highlight-blue\"><a href=\"http:\/\/www.lem.com\" target=\"_blank\" rel=\"noopener\">DVC 1000-P model for insulated nominal voltage measurements<\/a><\/span> in traction and industrial applications.<\/p>\n<p>This device measures a nominal voltage of 1000 VRMS and incorporates isolating amplifier technology.<\/p>\n<p>Despite achieving very high levels of isolation with a safety insulation voltage of 4.2 kV, the DVC 1000-P transducer is really compact, measuring only 37 x 43 x 23.5mm and can be mounted on printed board for a total volume of only 37.4cm3.<br \/>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block; text-align: center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-7565662001938327\" data-ad-slot=\"7585079586\"><\/ins><br \/>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><br \/>\nTypical sensors for the same nominal measurement using galvanic insulation are bulky whereasDVC 1000-P offers significant savings in terms of space. It also offers high levels of accuracy and temperature stability.<\/p>\n<span class=\"highlight highlight-blue\"><a href=\"https:\/\/engineernewsnetwork.com\/blog\/lem-launches-new-website-to-enable-users-to-search-product-information-more-efficiently\/\" target=\"_blank\" rel=\"noopener\">LEM<\/a><\/span> developed the DVC 1000-P to be fully compliant with the International Railway Industry Standards (IRIS), providing engineers in the railway industry, who are working with both rolling stock and sub-stations, with a versatile new transducer that is equally applicable to measure<br \/>\nDC link, an output voltage of inverter, input voltage of four quadrants converters, or a battery voltage.<\/p>\n<p>The features set of the DVC 1000-P voltage transducer also makes it an excellent fit for a broad range of small-to-medium voltage measurements in industrial markets.<\/p>\n<p>DVC 1000-P transducer measures voltages by a direct connection on its primary side, through an internal resistor network and some components allowing the signal to feed an isolation amplifier.<\/p>\n<p>An isolated signal is recovered and then conditioned in order to supply a voltage at the transducer output connections, which is an exact representation of the primary voltage.<\/p>\n<p>No additional components are necessary for its use, it has just to be connected to the voltage to be measured.<\/p>\n<p>It delivers a great overall accuracy, of \u00b11 % at +25\u00b0C with a high stability in temperature leading an overall accuracy of \u00b11.5% from -40\u00b0C to +85\u00b0C as operating temperature range. Its measurement frequency bandwidth (-3dB point) is 47kHz and the DVC 1000-P consumes only 35 mA at no primary voltage when power supplied under +5VDC.<\/p>\n<p>In its small outline, the model with a weight of only 22g is more than 60% lighter than transducers already in the market for similar voltage range.<\/p>\n<p>Other key features include compliance to a range of internationally-recognised safety standards in addition to its adherence to IRIS specifications. It also exhibits a fast response time of 10\u00b5s at 90% of nominal voltage.<\/p>\n<p>Designed by LEM in accordance with the latest standards applicable for traction and industry, the DVC 1000-P utilises materials that comply with all relevant fire and smoke requirements, that are mandatory in railway applications. It is CE marked and is supplied with a five-year warranty, as are all LEM railway products.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LEM introduces the DVC 1000-P model for insulated nominal voltage measurements in traction and industrial applications. This device measures a nominal voltage of 1000 VRMS and incorporates isolating amplifier technology. Despite achieving very high levels of isolation with a safety insulation voltage of 4.2 kV, the DVC 1000-P transducer is really compact, measuring only 37 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":7766,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[104],"tags":[4394,4138,4393],"class_list":["post-7765","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-electronics","tag-dvc-1000-p","tag-lem","tag-voltage-measurement"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Insulated nominal voltage measurements - Engineer News Network<\/title>\n<meta name=\"description\" content=\"LEM introduces the DVC 1000-P model for insulated nominal voltage measurements in traction and industrial applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engineernewsnetwork.com\/blog\/insulated-nominal-voltage-measurements\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Insulated nominal voltage measurements - 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