ground protective relay
闪燃和接地保护继电器 flash and ground protecting relay
定子接地保护继电器 stator earth-fault protection relay
提出了采用测量线路零序导纳进行接地保护的新原理，讨论了直线式导纳继电器的接地保护判据。
New principle for feeder grounding fault protection based on zero sequence admittance is presented in this paper. Criterions for the line ground relay with zero sequence admittance are also discussed.
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