Intelligent leakage protector with special wave protection function
The utility model discloses an intelligent electric leakage protector with a special wave protection function. A power supply line accessed to a user passes through the zero-sequence current transformer. A rear primary winding is wound on the zero-sequence current transformer; wherein the secondary...
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| creator | XU XIAOCAI ZHU DONGLI GUO XIANG ZHA XITAO ZHOU LEI FANG CAIHONG LIU WEIYOU YUAN YALING WU SHENGLI GUI WANQING LIU DAPENG WANG TINGTING XU TONG WANG YUAN DUAN FANG ZHU XIANCE HUANG CHANGSHENG WU CHEN CHEN FAN |
| description | The utility model discloses an intelligent electric leakage protector with a special wave protection function. A power supply line accessed to a user passes through the zero-sequence current transformer. A rear primary winding is wound on the zero-sequence current transformer; wherein the secondary winding is wound on the permanent magnet switch, the permanent magnet switch drives the release to act to control the on-off of a power supply circuit connected to a user, the power supply circuit connected to the user is a three-phase alternating current, and one phase of circuit is grounded or connected with a zero line after being connected with a resistor with the resistance value of 1k-2k ohms in series. The utility model provides a low-voltage transformer area leakage protector with a special wave protection function. A contact current special waveform formed by human body electric shock is detected; compared with leakage current waveforms formed by other media and the ground, a special waveform is defined, a |
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A power supply line accessed to a user passes through the zero-sequence current transformer. A rear primary winding is wound on the zero-sequence current transformer; wherein the secondary winding is wound on the permanent magnet switch, the permanent magnet switch drives the release to act to control the on-off of a power supply circuit connected to a user, the power supply circuit connected to the user is a three-phase alternating current, and one phase of circuit is grounded or connected with a zero line after being connected with a resistor with the resistance value of 1k-2k ohms in series. The utility model provides a low-voltage transformer area leakage protector with a special wave protection function. A contact current special waveform formed by human body electric shock is detected; compared with leakage current waveforms formed by other media and the ground, a special waveform is defined, a</description><language>chi ; eng</language><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ; GENERATION</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=20190802&DB=EPODOC&CC=CN&NR=209200649U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190802&DB=EPODOC&CC=CN&NR=209200649U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XU XIAOCAI</creatorcontrib><creatorcontrib>ZHU DONGLI</creatorcontrib><creatorcontrib>GUO XIANG</creatorcontrib><creatorcontrib>ZHA XITAO</creatorcontrib><creatorcontrib>ZHOU LEI</creatorcontrib><creatorcontrib>FANG CAIHONG</creatorcontrib><creatorcontrib>LIU WEIYOU</creatorcontrib><creatorcontrib>YUAN YALING</creatorcontrib><creatorcontrib>WU SHENGLI</creatorcontrib><creatorcontrib>GUI WANQING</creatorcontrib><creatorcontrib>LIU DAPENG</creatorcontrib><creatorcontrib>WANG TINGTING</creatorcontrib><creatorcontrib>XU TONG</creatorcontrib><creatorcontrib>WANG YUAN</creatorcontrib><creatorcontrib>DUAN FANG</creatorcontrib><creatorcontrib>ZHU XIANCE</creatorcontrib><creatorcontrib>HUANG CHANGSHENG</creatorcontrib><creatorcontrib>WU CHEN</creatorcontrib><creatorcontrib>CHEN FAN</creatorcontrib><title>Intelligent leakage protector with special wave protection function</title><description>The utility model discloses an intelligent electric leakage protector with a special wave protection function. A power supply line accessed to a user passes through the zero-sequence current transformer. A rear primary winding is wound on the zero-sequence current transformer; wherein the secondary winding is wound on the permanent magnet switch, the permanent magnet switch drives the release to act to control the on-off of a power supply circuit connected to a user, the power supply circuit connected to the user is a three-phase alternating current, and one phase of circuit is grounded or connected with a zero line after being connected with a resistor with the resistance value of 1k-2k ohms in series. The utility model provides a low-voltage transformer area leakage protector with a special wave protection function. 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A power supply line accessed to a user passes through the zero-sequence current transformer. A rear primary winding is wound on the zero-sequence current transformer; wherein the secondary winding is wound on the permanent magnet switch, the permanent magnet switch drives the release to act to control the on-off of a power supply circuit connected to a user, the power supply circuit connected to the user is a three-phase alternating current, and one phase of circuit is grounded or connected with a zero line after being connected with a resistor with the resistance value of 1k-2k ohms in series. The utility model provides a low-voltage transformer area leakage protector with a special wave protection function. A contact current special waveform formed by human body electric shock is detected; compared with leakage current waveforms formed by other media and the ground, a special waveform is defined, a</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION |
| title | Intelligent leakage protector with special wave protection function |
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