... conductance bridge 电导电桥 conductance relay 导纳继电器 conducting direction 导电方向 ...
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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.
介绍测量对地导纳原理的LD 3型发电机转子一点接地继电器的保护原理。
The paper introduces the principle of LD-3 rotor one-point grounding relay that measures the admittance against the ground.
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