CN106324421A - Electric leakage fault monitoring device for power grid transformer - Google Patents
Electric leakage fault monitoring device for power grid transformer Download PDFInfo
- Publication number
- CN106324421A CN106324421A CN201610760929.3A CN201610760929A CN106324421A CN 106324421 A CN106324421 A CN 106324421A CN 201610760929 A CN201610760929 A CN 201610760929A CN 106324421 A CN106324421 A CN 106324421A
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- Prior art keywords
- circuit
- voltage
- resistance
- module
- monitoring device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610760929.3A CN106324421B (en) | 2016-08-30 | 2016-08-30 | A kind of network transformer leak current fault monitoring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610760929.3A CN106324421B (en) | 2016-08-30 | 2016-08-30 | A kind of network transformer leak current fault monitoring device |
Publications (2)
Publication Number | Publication Date |
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CN106324421A true CN106324421A (en) | 2017-01-11 |
CN106324421B CN106324421B (en) | 2018-02-27 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610760929.3A Active CN106324421B (en) | 2016-08-30 | 2016-08-30 | A kind of network transformer leak current fault monitoring device |
Country Status (1)
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CN (1) | CN106324421B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112423440A (en) * | 2020-11-10 | 2021-02-26 | 珠海银河智能电网有限公司 | Indicating lamp circuit, control method and device, power supply equipment and storage medium |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09149540A (en) * | 1995-11-21 | 1997-06-06 | Hitachi Ltd | Circuit selective relay, circuit selection method |
CN105510773A (en) * | 2016-01-28 | 2016-04-20 | 广州优维电子科技有限公司 | Earth fault detection device for direct current system |
CN205353273U (en) * | 2016-02-22 | 2016-06-29 | 国家电网公司 | A distributed terminating set for distribution network phase to earth fault travelling wave location |
CN205484648U (en) * | 2015-12-15 | 2016-08-17 | 云南电网有限责任公司玉溪供电局 | Distribution lines on -line monitoring device |
-
2016
- 2016-08-30 CN CN201610760929.3A patent/CN106324421B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09149540A (en) * | 1995-11-21 | 1997-06-06 | Hitachi Ltd | Circuit selective relay, circuit selection method |
CN205484648U (en) * | 2015-12-15 | 2016-08-17 | 云南电网有限责任公司玉溪供电局 | Distribution lines on -line monitoring device |
CN105510773A (en) * | 2016-01-28 | 2016-04-20 | 广州优维电子科技有限公司 | Earth fault detection device for direct current system |
CN205353273U (en) * | 2016-02-22 | 2016-06-29 | 国家电网公司 | A distributed terminating set for distribution network phase to earth fault travelling wave location |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112423440A (en) * | 2020-11-10 | 2021-02-26 | 珠海银河智能电网有限公司 | Indicating lamp circuit, control method and device, power supply equipment and storage medium |
CN112423440B (en) * | 2020-11-10 | 2023-10-20 | 珠海银河智能电网有限公司 | Indicator light circuit, control method and device, power supply equipment and storage medium |
Also Published As
Publication number | Publication date |
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CN106324421B (en) | 2018-02-27 |
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CB03 | Change of inventor or designer information |
Inventor after: Xing Guanming Inventor after: Xue Zhaoke Inventor after: Tian Gang Inventor after: Zhao Ailing Inventor after: Yu Sen Inventor after: Li Chao Inventor after: Zhang Leilei Inventor after: Kang Huibin Inventor after: Song Wei Inventor after: Ma Zhijun Inventor before: Ma Zhijun Inventor before: Xiao Lei Inventor before: Xue Zhaoke |
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CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |