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东方电机股份有限公司向重钢(集团)公司提供一套4000kW 交——交变频调速同步电动机的技术协议及经济合同于6月9日正式签定。交——交变频调速同步电机目前尚属国内新技术。用交——交变频同步电动机取代
Dongfang Motor Co., Ltd. provided a technical agreement and economic contract for a set of 4000kW AC-AC variable-frequency synchronous motor to Chongqing Heavy Steel (Group) Co., Ltd. on June 9th. AC - AC frequency synchronous synchronous motor is still a new domestic technology. Replaced by AC-AC frequency conversion synchronous motor