CN202177678U - Circuit for detecting terminal outside primary measurement captive test (CT) secondary side connection state - Google Patents
Circuit for detecting terminal outside primary measurement captive test (CT) secondary side connection state Download PDFInfo
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- CN202177678U CN202177678U CN 201120278041 CN201120278041U CN202177678U CN 202177678 U CN202177678 U CN 202177678U CN 201120278041 CN201120278041 CN 201120278041 CN 201120278041 U CN201120278041 U CN 201120278041U CN 202177678 U CN202177678 U CN 202177678U
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Application Number | Priority Date | Filing Date | Title |
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CN 201120278041 CN202177678U (en) | 2011-08-02 | 2011-08-02 | Circuit for detecting terminal outside primary measurement captive test (CT) secondary side connection state |
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CN 201120278041 CN202177678U (en) | 2011-08-02 | 2011-08-02 | Circuit for detecting terminal outside primary measurement captive test (CT) secondary side connection state |
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CN202177678U true CN202177678U (en) | 2012-03-28 |
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CN 201120278041 Expired - Lifetime CN202177678U (en) | 2011-08-02 | 2011-08-02 | Circuit for detecting terminal outside primary measurement captive test (CT) secondary side connection state |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102411112A (en) * | 2011-08-02 | 2012-04-11 | 长沙威胜信息技术有限公司 | Method and circuit for detecting secondary side wiring state of primary metering CT (Computed Tomography) outside terminal |
CN102981031A (en) * | 2011-09-05 | 2013-03-20 | 江苏林洋电子股份有限公司 | Electric energy meter and electricity larceny prevention circuit thereof |
CN107015095A (en) * | 2017-03-23 | 2017-08-04 | 中国电力科学研究院 | A kind of method and system that secondary loop of mutual inductor state is judged based on Transient Method |
CN110488137A (en) * | 2019-09-03 | 2019-11-22 | 广东电网有限责任公司 | A kind of apparatus and method detecting CT secondary circuit integrality |
CN113848381A (en) * | 2021-09-23 | 2021-12-28 | 石家庄科林电气股份有限公司 | Device and method for judging current bypass event |
-
2011
- 2011-08-02 CN CN 201120278041 patent/CN202177678U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102411112A (en) * | 2011-08-02 | 2012-04-11 | 长沙威胜信息技术有限公司 | Method and circuit for detecting secondary side wiring state of primary metering CT (Computed Tomography) outside terminal |
CN102981031A (en) * | 2011-09-05 | 2013-03-20 | 江苏林洋电子股份有限公司 | Electric energy meter and electricity larceny prevention circuit thereof |
CN102981031B (en) * | 2011-09-05 | 2015-04-22 | 江苏林洋电子股份有限公司 | Electric energy meter and electricity larceny prevention circuit thereof |
CN107015095A (en) * | 2017-03-23 | 2017-08-04 | 中国电力科学研究院 | A kind of method and system that secondary loop of mutual inductor state is judged based on Transient Method |
CN110488137A (en) * | 2019-09-03 | 2019-11-22 | 广东电网有限责任公司 | A kind of apparatus and method detecting CT secondary circuit integrality |
CN113848381A (en) * | 2021-09-23 | 2021-12-28 | 石家庄科林电气股份有限公司 | Device and method for judging current bypass event |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee after: WILLFAR INFORMATION TECHNOLOGY Co.,Ltd. Address before: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee before: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD. Address after: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee after: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD. Address before: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee before: CHANGSHA WASION INFORMATION TECHNOLOGY Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CX01 | Expiry of patent term |
Granted publication date: 20120328 |
|
CX01 | Expiry of patent term |