CN101719660A - Method for automatically resetting grounding protection device of small-current system - Google Patents
Method for automatically resetting grounding protection device of small-current system Download PDFInfo
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- CN101719660A CN101719660A CN200910220719A CN200910220719A CN101719660A CN 101719660 A CN101719660 A CN 101719660A CN 200910220719 A CN200910220719 A CN 200910220719A CN 200910220719 A CN200910220719 A CN 200910220719A CN 101719660 A CN101719660 A CN 101719660A
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CN2009102207195A CN101719660B (en) | 2009-12-14 | 2009-12-14 | Method for automatically resetting grounding protection device of small-current system |
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CN2009102207195A CN101719660B (en) | 2009-12-14 | 2009-12-14 | Method for automatically resetting grounding protection device of small-current system |
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CN101719660A true CN101719660A (en) | 2010-06-02 |
CN101719660B CN101719660B (en) | 2012-07-04 |
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CN2009102207195A Active CN101719660B (en) | 2009-12-14 | 2009-12-14 | Method for automatically resetting grounding protection device of small-current system |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102901878A (en) * | 2011-07-29 | 2013-01-30 | 施耐德电器工业公司 | Monitoring device for earth line with impedance measurement |
CN102914683A (en) * | 2012-11-01 | 2013-02-06 | 天津市电力公司 | Method for acquiring single-phase grounding current of three-phase single cable |
CN102955098A (en) * | 2012-12-10 | 2013-03-06 | 四川省电力公司资阳公司 | Neutral point non-effective earthing system single-phase earthing fault identification method |
CN103532084A (en) * | 2013-10-30 | 2014-01-22 | 江苏省电力公司常州供电公司 | Integrated accident signal resetting circuit in microcomputer type relay protection circuit |
CN103576022A (en) * | 2012-07-31 | 2014-02-12 | 通用电气公司 | On-line monitoring system for use with electrical assets and method of operating same |
CN105703349A (en) * | 2014-11-28 | 2016-06-22 | 辽宁拓新电力电子有限公司 | Low excitation impedance transformer single-phase grounding protection device and protection method |
CN107677922A (en) * | 2017-11-13 | 2018-02-09 | 国网四川省电力公司广安供电公司 | Single-phase grounded malfunction in grounded system of low current determination methods |
CN111880110A (en) * | 2019-04-15 | 2020-11-03 | 山东大学 | Single-phase earth fault disappearance judgment method and system for neutral point non-effective earthing system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102931608A (en) * | 2012-11-05 | 2013-02-13 | 冀北电力有限公司张家口供电公司 | Switch cabinet for single-phase grounding protection of 10kV system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3961319A (en) * | 1975-05-21 | 1976-06-01 | Amf Incorporated | Ground circuit monitor |
CN1322331C (en) * | 2004-06-07 | 2007-06-20 | 山东大学 | Single-phase grounding selection for small-current system |
CN2783338Y (en) * | 2004-12-08 | 2006-05-24 | 珠海泰坦科技股份有限公司 | Small current grounding line selector |
CN200993669Y (en) * | 2005-11-17 | 2007-12-19 | 济南富吉电气有限公司 | Small-current earthing wire-selecting positioning device capable of eliminating PT harmonic vibration |
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2009
- 2009-12-14 CN CN2009102207195A patent/CN101719660B/en active Active
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102901878A (en) * | 2011-07-29 | 2013-01-30 | 施耐德电器工业公司 | Monitoring device for earth line with impedance measurement |
CN103576022A (en) * | 2012-07-31 | 2014-02-12 | 通用电气公司 | On-line monitoring system for use with electrical assets and method of operating same |
CN102914683A (en) * | 2012-11-01 | 2013-02-06 | 天津市电力公司 | Method for acquiring single-phase grounding current of three-phase single cable |
CN102955098A (en) * | 2012-12-10 | 2013-03-06 | 四川省电力公司资阳公司 | Neutral point non-effective earthing system single-phase earthing fault identification method |
CN102955098B (en) * | 2012-12-10 | 2016-08-03 | 四川省电力公司资阳公司 | System with non effectively earth ed neutral singlephase earth fault recognition methods |
CN103532084A (en) * | 2013-10-30 | 2014-01-22 | 江苏省电力公司常州供电公司 | Integrated accident signal resetting circuit in microcomputer type relay protection circuit |
CN103532084B (en) * | 2013-10-30 | 2016-04-13 | 江苏省电力公司常州供电公司 | The involution loop of accident resultant signal in microcomputer type relay protection loop |
CN105703349A (en) * | 2014-11-28 | 2016-06-22 | 辽宁拓新电力电子有限公司 | Low excitation impedance transformer single-phase grounding protection device and protection method |
CN107677922A (en) * | 2017-11-13 | 2018-02-09 | 国网四川省电力公司广安供电公司 | Single-phase grounded malfunction in grounded system of low current determination methods |
CN111880110A (en) * | 2019-04-15 | 2020-11-03 | 山东大学 | Single-phase earth fault disappearance judgment method and system for neutral point non-effective earthing system |
CN111880110B (en) * | 2019-04-15 | 2021-08-27 | 山东大学 | Single-phase earth fault disappearance judgment method and system for neutral point non-effective earthing system |
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Publication number | Publication date |
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CN101719660B (en) | 2012-07-04 |
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Free format text: FORMER OWNER: HUANG GANG Effective date: 20130826 Owner name: STATE GRID LIAONING ELECTRIC POWER CO., LTD. JINZH Free format text: FORMER OWNER: ZHANG WENHUI Effective date: 20130826 |
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C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Wenhui Inventor after: Huang Gang Inventor after: Gang Hong Inventor before: Zhang Wenhui Inventor before: Huang Gang |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG WENHUI HUANG GANG TO: ZHANG WENHUI HUANG GANG GANG HONG |
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TR01 | Transfer of patent right |
Effective date of registration: 20130826 Address after: 121000 Guta District, Liaoning, Jiefang Road No. three, No. 9, No. Patentee after: JINZHOU POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY CO., LTD. Address before: 121000 Jinzhou power supply company of Liaoning Electric Power Co., Ltd., No. three 9 section, Guta District, Jinzhou, Liaoning, Jiefang Road Patentee before: Zhang Wenhui Patentee before: Huang Gang |