挖掘机高压电机保护装置的微机控制

Microcomputer Control of Protection Device of High-voltage Motor for Shovel

文章介绍了采用正负序电流的测量对高压电机故障进行分析的方法 。

The paper introduced a method of fault analysis of high voltage motor by use of measurement of positive and negative sequence current, and discribed the structure of hardware and software of the protection device with single chip microcomputer.