Synchronous closing is an intelligent control technique. It can make the moving and stationery contact-header of circuit breaker to close on the specified phase angle of the power system voltage wave.
同步关合是指断路器动、静触头在系统电压波形的指定相角处关合，以减小合闸操作的过电流和过电压的一种智能操作技术。
It introduces the principle of voltage inverter, analyzed the reason of distortion of output voltage and current wave form, as it is loaded with hysteresis synchronous motor.
本文介绍电压逆变器的原理，分析带上磁滞同步电动机这一负载后逆变器输出电压电流波形畸变的原因。
It can provide complete square wave in the transformer, which can provide a simple self-driving method for synchronous rectifier.
同时变压器上是完整的方波，可以给同步整流提供简单有效的自驱动方案。
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