摘  要：介紹了濟(jì)寧市范圍內(nèi)的各類煤礦對電動機(jī)采用變頻技術(shù)的研究，包括礦井主通風(fēng)機(jī)、帶式輸送機(jī)電動機(jī)、熱電廠高壓電動機(jī)、電機(jī)車電動機(jī)以及電動機(jī)的離心式冷卻風(fēng)機(jī)應(yīng)用變頻技術(shù)改造的情況。 關(guān)鍵詞：煤礦；電動機(jī)；變頻；技術(shù)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]