The phase comparison error is the primary factor leading to mistaken action in the selective leakage protective system of underground LV networks based on zero sequence current direction.
在基于零序电流方向原理的矿井低压电网选择性漏电保护中，比相误差是导致保护误动的主要因素。
The selective leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.
选择性漏电保护是指当电网发生漏电故障时，能够有选择地发出故障信号或切断故障支路电源，而非故障部分继续工作。
The selectivity leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.
选择性漏电保护是指当电网发生漏电故障时，能够有选择地发出故障信号或切断故障支路电源，而非故障部分继续工作。
The selectivity leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.
选择性漏电保护是指当电网发生漏电故障时，能够有选择地发出故障信号或切断故障支路电源，而非故障部分继续工作。
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