In order to eliminate the impact of the inrush current and lower the input capacitance value, the circuit has soft-start control function.

为了消除浪涌电流的影响和降低对输入电容的要求，电路也具有软启动控制功能；

youdao

This article discusses the differential protection malfunction of transformers with no-load Input caused by, analyzes the emergence, hazards and characteristics of excitation inrush current.

论述了变压器空载投入时差动保护误动作原因是由励磁涌流引起的，分析了励磁涌流的产生、危害及其特点。

youdao