Relay protection method of the line single phase grounding failure affected by the distribution-resisting capacitance and current |
Title： |
| Relay protection method of the line single phase grounding failure affected by the distribution-resisting capacitance and current |
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Application Number： |
200610144275 |
Application Date： |
2006/12/01 |
Announcement Date： |
2007/07/11 |
Pub. Date： |
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Publication Number： |
1996697 |
Announcement Number： |
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Grant Date： |
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Granted Pub. Date： |
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ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
H02H 7/26 |
Applicant(s)： |
Tsinghua University |
Inventor(s)： |
Dong Xinzhou, Wang Bin, Bao Zhiqian |
Key Words： |
distribution-resisting, capacitance, current, single phase grounding, relay protection |
Abstract： |
This invention belongs to power system relay protection field and relates to anti-distribution capacitor current single phase earth fault relay protection method, which comprises each phase voltage, current, zero order voltage and current in the transducer station as input voltage, wherein, it uses measurement voltage and current to compute reactor Relay measurement voltage and current proportion; according to circuit distribution parameter to compute resistance integral value; using measurement resistance and integral vale to get relative operation base. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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