选择性漏电保护装置 selective leakage protection device
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经过实验测试，系统实现了选择性漏电保护和其它主要的保护功能。
After the experiment, the system has realized the selective leakage protection and other main protection function.
②检漏继电器采用零序电抗器并不影响选择性漏电保护的实现，而对其可靠工作作用明显；
A feeding switch with a leakage protection function to replace a leakage check relay should not be adopted for practices.
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 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.
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