高速电磁阀的驱动电路决定着外部能量通过电磁阀线圈的电流特性。
The driving circuit of high-speed solenoid decide the current trait through which the exterior energy pass the loop of solenoid.
从理论上分析配电线路出口故障时，电流速断和定时过电流保护拒动的原因，从而阐明电流互感器的响应特性对电流保护有很大的影响，最后提出相应的对策。
The causes of refusing action of over current protection when the short circuit arises at the beginning of distribution line have been theoretically analysed in this paper.
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