摘 要：介绍了济宁市范围内的各类煤矿对电动机采用变频技术的研究，包括矿井主通风机、带式输送机电动机、热电厂高压电动机、电机车电动机以及电动机的离心式冷却风机应用变频技术改造的情况。 关键词：煤矿；电动机；变频；技术改造 Abstract：The study of Jining city, within the scope of various types of coal mine on the motor adopts frequency conversion technology, including the mine main fan, belt conveyor motor, thermal power plant high voltage motor, motor vehicle motor and motor centrifugal cool[登陆后可查看全文]