摘  要：介紹了濟寧市范圍內的各類煤礦對電動機采用變頻技術的研究，包括礦井主通風機、帶式輸送機電動機、熱電廠高壓電動機、電機車電動機以及電動機的離心式冷卻風機應用變頻技術改造的情況。 關鍵詞：煤礦；電動機；變頻；技術改造 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 [登陸后可查看全文]