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邯钢第一炼钢分厂１２０方坯连铸拉矫电机，由原来的直流电机改为交流电机及配用交流变频调速器。本文通过工艺对比及经济效益分析，得出了使用交流拉矫电机和交流变频调速器的优点及取得的经济效益。实践证明，交流拉矫电机及交流变频调速器能适应邯钢潮湿、粉尘及高温的工作环境。
Handan Iron and Steel Company’s first steel plant 120 billet continuous casting straightening motor, from the original DC motor to AC motor and equipped with AC frequency converter. In this paper, through the process comparison and economic benefit analysis, the advantages and the economic benefits of using AC straightening motor and AC frequency converter are obtained. Practice has proved that AC straightening machine and AC variable frequency speed controller can adapt to Handan Iron and Steel wet, dust and high temperature work environment.