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xiao huo dian chang di lei chang yong dian dong ji dian liu bao hu de zheng ding
Author(s): 
Pages: 14-16
Year: Issue:  5
Journal: Electric Switchgear

Keyword:  厂用电动机过电流保护小火电厂自起动定子绕组温度小型火力发电厂电流速断保护过负荷保护起动电流继电器;
Abstract: 小型火力发电厂容量在100kW以上的厂用交流异步电动机,一般是设有由DL型电流继电器组成的电流速断保护和由GL型电流继电器组成的过负荷保护,其电流速断保护的整定是根据继电保护设置原则,按躲过电动机在全压下起动时的起动电流来整定的,即Id2=KK·Kj...
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