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Underground Electrical Power Control Methods and Basic Approaches
Author(s): 
Pages: 46,53
Year: Issue:  3
Journal: Coal

Abstract: 煤矿井下使用的电器不同于一般的电器,它在煤矿井下恶劣的环境中工作.这就对煤矿使用的电器设备提出了特殊的要求,即煤矿电路应在75%-110%额定电压下可靠工作,在电网电压突变降低时,所控制的设备能正常运转.
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