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qian xi plc zai dian dong ji y- qi dong zhong de ying yong
Author(s): 
Pages: 122
Year: Issue:  6
Journal: Occupation

Abstract:  大功率电动机如果在电源变压器容量不够大的情况下直接启动,会使电源变压器输出电压大幅下降,不仅减小电动机本身的启动转矩,还会影响同一供电网中其他设备的正常工作.因此,较大功率的电动机需要采取降压启动.
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