Zero-passing commutation method
The invention discloses a zero-passing commutation method. The zero-passing commutation method comprises the steps of calculating a current zero-passing moment T by a controller when an original phase sequence is removed, closing a silicon-controlled switch by the controller at the moment T, calcula...
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| creator | XUE WANGXI HUANG LIANGLIANG GE QIBIN LING WANSHUI |
| description | The invention discloses a zero-passing commutation method. The zero-passing commutation method comprises the steps of calculating a current zero-passing moment T by a controller when an original phase sequence is removed, closing a silicon-controlled switch by the controller at the moment T, calculating a next current zero-passing moment T by the controller after T, disconnecting athird relay by the controller in advance of time T1 before T, calculating a next current zero-passing moment T by the controller after T, disconnecting the silicon-controlled switch by the controller at the moment T, disconnecting an external load, calculating a voltage zero-passing moment T by the controller after the T |
| format | Patent |
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The zero-passing commutation method comprises the steps of calculating a current zero-passing moment T by a controller when an original phase sequence is removed, closing a silicon-controlled switch by the controller at the moment T, calculating a next current zero-passing moment T by the controller after T, disconnecting athird relay by the controller in advance of time T1 before T, calculating a next current zero-passing moment T by the controller after T, disconnecting the silicon-controlled switch by the controller at the moment T, disconnecting an external load, calculating a voltage zero-passing moment T by the controller after the T<i3) when a new phase sequence is input at next time, performing input operation by a first dual-removal relay between the moment T and the moment T, closing the silicon-controlled switch at the moment T, calculating a next voltage zero-passingmoment T by the controller after the T, closing the third relay in advance</description><language>chi ; eng</language><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; SYSTEMS FOR STORING ELECTRIC ENERGY ; TESTING</subject><creationdate>2019</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=20190405&DB=EPODOC&CC=CN&NR=109586323A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190405&DB=EPODOC&CC=CN&NR=109586323A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XUE WANGXI</creatorcontrib><creatorcontrib>HUANG LIANGLIANG</creatorcontrib><creatorcontrib>GE QIBIN</creatorcontrib><creatorcontrib>LING WANSHUI</creatorcontrib><title>Zero-passing commutation method</title><description>The invention discloses a zero-passing commutation method. The zero-passing commutation method comprises the steps of calculating a current zero-passing moment T by a controller when an original phase sequence is removed, closing a silicon-controlled switch by the controller at the moment T, calculating a next current zero-passing moment T by the controller after T, disconnecting athird relay by the controller in advance of time T1 before T, calculating a next current zero-passing moment T by the controller after T, disconnecting the silicon-controlled switch by the controller at the moment T, disconnecting an external load, calculating a voltage zero-passing moment T by the controller after the T<i3) when a new phase sequence is input at next time, performing input operation by a first dual-removal relay between the moment T and the moment T, closing the silicon-controlled switch at the moment T, calculating a next voltage zero-passingmoment T by the controller after the T, closing the third relay in advance</description><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJCPSi3K1y1ILC7OzEtXSM7PzS0tSSzJzM9TyE0tychP4WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8c5-hgaWphZmxkbGjsbEqAEASrglQw</recordid><startdate>20190405</startdate><enddate>20190405</enddate><creator>XUE WANGXI</creator><creator>HUANG LIANGLIANG</creator><creator>GE QIBIN</creator><creator>LING WANSHUI</creator><scope>EVB</scope></search><sort><creationdate>20190405</creationdate><title>Zero-passing commutation method</title><author>XUE WANGXI ; HUANG LIANGLIANG ; GE QIBIN ; LING WANSHUI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN109586323A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2019</creationdate><topic>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>SYSTEMS FOR STORING ELECTRIC ENERGY</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>XUE WANGXI</creatorcontrib><creatorcontrib>HUANG LIANGLIANG</creatorcontrib><creatorcontrib>GE QIBIN</creatorcontrib><creatorcontrib>LING WANSHUI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>XUE WANGXI</au><au>HUANG LIANGLIANG</au><au>GE QIBIN</au><au>LING WANSHUI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Zero-passing commutation method</title><date>2019-04-05</date><risdate>2019</risdate><abstract>The invention discloses a zero-passing commutation method. The zero-passing commutation method comprises the steps of calculating a current zero-passing moment T by a controller when an original phase sequence is removed, closing a silicon-controlled switch by the controller at the moment T, calculating a next current zero-passing moment T by the controller after T, disconnecting athird relay by the controller in advance of time T1 before T, calculating a next current zero-passing moment T by the controller after T, disconnecting the silicon-controlled switch by the controller at the moment T, disconnecting an external load, calculating a voltage zero-passing moment T by the controller after the T<i3) when a new phase sequence is input at next time, performing input operation by a first dual-removal relay between the moment T and the moment T, closing the silicon-controlled switch at the moment T, calculating a next voltage zero-passingmoment T by the controller after the T, closing the third relay in advance</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING |
| title | Zero-passing commutation method |
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