摘  要：文章介绍了兖州矿区将变频调速技术用于矿井提升机、提升机电动机冷却风机、井下矿用带式输送机、热电厂凝结泵等大型设备实践中存在的问题以及采取的有效技术措施，对于类似情况的矿区具有一定的参考价值。

    关键词：煤矿；变频技术；提升机；风机；带式输送机；泵

Abstract: This article describes the process of variable frequency speed control technology for mine hoist, lifting machine motor cooling fan, underground mine belt conveyor, thermal power plant condenser pumps and other large equipment practice existing problems and take effective technical measures in Yanzhou