With the much higher operating voltages now in use the projected voltage transients or surges due to switching i. e. the opening and closing of circuit breakers, have become the major consideration.
目前随着更高工作电压的使用，由于断路器分闸、合闸操作所引起的电压暂态过程或过电压．已成为主要考虑的方面。
With this method the need of adjustment by grades to opening velocity of high voltage intelligent operation circuit breaker can be met.
该方法可以满足高压智能操作断路器分闸速度分级调节的需要。
The opening time of movable contact has remarkable effect on the limiting current performance of low voltage molded case circuit breakers.
触头打开时间对于低压塑壳式断路器的限流性能有重要意义。
With this method the need of adjustment by grades to opening velocity of high voltage intelligent operation circuit...
该方法可以满足高压智能操作断路器分闸速度分级调节的需要。
With this method the need of adjustment by grades to opening velocity of high voltage intelligent operation circuit...
该方法可以满足高压智能操作断路器分闸速度分级调节的需要。
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