关键词：高压提升变频调速系统；煤矿提升机；改造

Abstract: This paper introduces Xinfengguang high-voltage inverter in Hebei coal mine to enhance the application of the winch, lifting high voltage variable frequency speed control system and the effect of the transformation plan are discussed.

Key words: The system of high voltage lifter inverter; The colliery hoist; Transformation

【中图分类号】U262.27 【文献标识码】B 【文章编号】1561-0330（2017）