在用电梯制动试验时变频器保护对策探析

Analysis on Protection Countermeasure of Frequency Converter in Braking Test of Elevator in Use

通过对电梯变频器工作原理以及电梯制动试验过程中变频器工作状态的分析,提出了制动试验前和制动试验过程中采取的应对措施,以达到保护变频器的目的。

By analyzing the basic principle and the working state during the braking test of the frequency converter of elevator in use,the countermeasures before and during the brake test are put forward to protect the converter.