overcurrent protection短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 过电流保护 Using the method of window moving in real time, the root mean square value of current of the last cycle was calculated as the criteria for instantaneous overcurrent protection. 用窗口实时移动的思想计算当前时刻以前一周波电流方均根值平方作为瞬动脱扣的判断依据。 cnki