发明名称 |
GROUND FAULT DETECTION IN AN UNGROUNDED ELECTRICAL SYSTEM |
摘要 |
An ungrounded electrical power distribution system may experience a single line to ground fault. Such a fault may not disrupt operation of the system, but its presence may raise a risk of additional problems if left uncorrected. A system for progressively grounding the ungrounded system may be initiated when a line to ground fault is suspected. As grounding through successively lower impedance proceeds, fault current may increase and detection of severity of the line to ground fault may be more readily achieved, thus facilitating localization of the fault.
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申请公布号 |
US2009147414(A1) |
申请公布日期 |
2009.06.11 |
申请号 |
US20080104273 |
申请日期 |
2008.04.16 |
申请人 |
LAZAROVICH DAVID;DANGETI SRINIVASA RAO;KESHRI SUBODH;RUSAN ILEANA;CHAUDHARY SANJAY KUMAR |
发明人 |
LAZAROVICH DAVID;DANGETI SRINIVASA RAO;KESHRI SUBODH;RUSAN ILEANA;CHAUDHARY SANJAY KUMAR |
分类号 |
H02H9/08;G01R31/14 |
主分类号 |
H02H9/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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