变频器输出短路引起的过压故障分析

Analysis of the Overvoltage Fault of the Inverter

根据变频器工作原理和主回路拓扑,详细的分析了变频器输出侧长导线对地短路产生直流母线过压故障的原因。

This paper analyzes the main loop topology of the inverter and discusses the DC busbar overvoltage caused by the output short circuit to the ground.