Flexible DC converter valve bridge arm current anomaly detection method and device
The invention discloses a flexible DC converter valve bridge arm current abnormity detection method and device, relates to the technical field of flexible DC power transmission, and mainly aims to timely and accurately find converter valve bridge arm current abnormity, rapidly give an alarm and star...
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| creator | LI JINBU TIAN KAIZHE WANG XUN ZHANG XIAOFEI JIN HAIWANG LI VIBRATION GAO HONGDA LIU XIANHUI LIU YANG ZHAO DONG ZHAO KAIMAN AN HAIQING YUE NA LIAN TIANLIANG YUAN QIAO LI TAO |
| description | The invention discloses a flexible DC converter valve bridge arm current abnormity detection method and device, relates to the technical field of flexible DC power transmission, and mainly aims to timely and accurately find converter valve bridge arm current abnormity, rapidly give an alarm and start switching of a control system when the converter valve bridge arm current abnormity is abnormal, thereby avoiding DC control function abnormity of a DC system, and improving the reliability of the converter valve bridge arm current abnormity. And safe and stable operation of the flexible DC converter station is ensured. According to the main technical scheme, the method comprises the steps that the current value of each bridge arm in the flexible direct-current converter valve is acquired; judging whether the flexible direct current converter valve meets a bridge arm abnormal condition or not according to the change condition of the current value in the preset period, wherein the bridge arm abnormal condition is |
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And safe and stable operation of the flexible DC converter station is ensured. According to the main technical scheme, the method comprises the steps that the current value of each bridge arm in the flexible direct-current converter valve is acquired; judging whether the flexible direct current converter valve meets a bridge arm abnormal condition or not according to the change condition of the current value in the preset period, wherein the bridge arm abnormal condition is</description><language>chi ; eng</language><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; SYSTEMS FOR STORING ELECTRIC ENERGY ; TESTING</subject><creationdate>2023</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=20230915&DB=EPODOC&CC=CN&NR=116760271A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230915&DB=EPODOC&CC=CN&NR=116760271A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI JINBU</creatorcontrib><creatorcontrib>TIAN KAIZHE</creatorcontrib><creatorcontrib>WANG XUN</creatorcontrib><creatorcontrib>ZHANG XIAOFEI</creatorcontrib><creatorcontrib>JIN HAIWANG</creatorcontrib><creatorcontrib>LI VIBRATION</creatorcontrib><creatorcontrib>GAO HONGDA</creatorcontrib><creatorcontrib>LIU XIANHUI</creatorcontrib><creatorcontrib>LIU YANG</creatorcontrib><creatorcontrib>ZHAO DONG</creatorcontrib><creatorcontrib>ZHAO KAIMAN</creatorcontrib><creatorcontrib>AN HAIQING</creatorcontrib><creatorcontrib>YUE NA</creatorcontrib><creatorcontrib>LIAN TIANLIANG</creatorcontrib><creatorcontrib>YUAN QIAO</creatorcontrib><creatorcontrib>LI TAO</creatorcontrib><title>Flexible DC converter valve bridge arm current anomaly detection method and device</title><description>The invention discloses a flexible DC converter valve bridge arm current abnormity detection method and device, relates to the technical field of flexible DC power transmission, and mainly aims to timely and accurately find converter valve bridge arm current abnormity, rapidly give an alarm and start switching of a control system when the converter valve bridge arm current abnormity is abnormal, thereby avoiding DC control function abnormity of a DC system, and improving the reliability of the converter valve bridge arm current abnormity. And safe and stable operation of the flexible DC converter station is ensured. According to the main technical scheme, the method comprises the steps that the current value of each bridge arm in the flexible direct-current converter valve is acquired; judging whether the flexible direct current converter valve meets a bridge arm abnormal condition or not according to the change condition of the current value in the preset period, wherein the bridge arm abnormal condition is</description><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</subject><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</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>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNik0KwjAUBrtxIeodngcQjEK7lmhx5ULclzT51EB-yusz6O3twgO4GpiZeXVtA96-D6CjJptTAQuYigkF1LN3D5DhSPbFjCRkUo4mfMhBYMXnRBHyzG4KbpLFWyyr2d2EEasfF9W6Pd30eYMhdxgHY5Egnb4oVTf1dteow_6f5wvrZTfD</recordid><startdate>20230915</startdate><enddate>20230915</enddate><creator>LI JINBU</creator><creator>TIAN KAIZHE</creator><creator>WANG XUN</creator><creator>ZHANG XIAOFEI</creator><creator>JIN HAIWANG</creator><creator>LI VIBRATION</creator><creator>GAO HONGDA</creator><creator>LIU XIANHUI</creator><creator>LIU YANG</creator><creator>ZHAO DONG</creator><creator>ZHAO KAIMAN</creator><creator>AN HAIQING</creator><creator>YUE NA</creator><creator>LIAN TIANLIANG</creator><creator>YUAN QIAO</creator><creator>LI TAO</creator><scope>EVB</scope></search><sort><creationdate>20230915</creationdate><title>Flexible DC converter valve bridge arm current anomaly detection method and device</title><author>LI JINBU ; 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And safe and stable operation of the flexible DC converter station is ensured. According to the main technical scheme, the method comprises the steps that the current value of each bridge arm in the flexible direct-current converter valve is acquired; judging whether the flexible direct current converter valve meets a bridge arm abnormal condition or not according to the change condition of the current value in the preset period, wherein the bridge arm abnormal condition is</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING |
| title | Flexible DC converter valve bridge arm current anomaly detection method and device |
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