Unified transformation ratio-type wide metering current transformer
The invention discloses a unified transformation ratio-type wide metering current transformer. The post stage of a small-transformation ratio current transformer on an in-phase bus is parallelly connected with a current reduction-type current converter; mechanical connection and electrical isolation...
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| creator | FU JIE CHEN LEI LIU XUXIAN PENG LIYAN PAN ZENGHAI ZHANG JIANLING WANG LIHUA |
| description | The invention discloses a unified transformation ratio-type wide metering current transformer. The post stage of a small-transformation ratio current transformer on an in-phase bus is parallelly connected with a current reduction-type current converter; mechanical connection and electrical isolation are realized between a large-transformation ratio current transformer, the small-transformation ratio current transformer and the current converter through resin cast between; one output end of the current converter is parallelly connected with one output end of the large-transformation ratio current transformer to form one end externally connected with a watt hour metering device, a CT switching detection current transformer is arranged in the circuit after parallel connection in a passing mode, the output end of the CT switching detection current transformer is connected with a control device via a signal processing and amplifying unit, and the current converter and the other output end of the large-transformati |
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The post stage of a small-transformation ratio current transformer on an in-phase bus is parallelly connected with a current reduction-type current converter; mechanical connection and electrical isolation are realized between a large-transformation ratio current transformer, the small-transformation ratio current transformer and the current converter through resin cast between; one output end of the current converter is parallelly connected with one output end of the large-transformation ratio current transformer to form one end externally connected with a watt hour metering device, a CT switching detection current transformer is arranged in the circuit after parallel connection in a passing mode, the output end of the CT switching detection current transformer is connected with a control device via a signal processing and amplifying unit, and the current converter and the other output end of the large-transformati</description><language>chi ; eng</language><subject>MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TESTING</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161221&DB=EPODOC&CC=CN&NR=106249019A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161221&DB=EPODOC&CC=CN&NR=106249019A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FU JIE</creatorcontrib><creatorcontrib>CHEN LEI</creatorcontrib><creatorcontrib>LIU XUXIAN</creatorcontrib><creatorcontrib>PENG LIYAN</creatorcontrib><creatorcontrib>PAN ZENGHAI</creatorcontrib><creatorcontrib>ZHANG JIANLING</creatorcontrib><creatorcontrib>WANG LIHUA</creatorcontrib><title>Unified transformation ratio-type wide metering current transformer</title><description>The invention discloses a unified transformation ratio-type wide metering current transformer. 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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Unified transformation ratio-type wide metering current transformer |
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