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duan bu dian wei ce liang fa jian ce fa dian ji jue yuan yin huan fen xi
Author(s): 
Pages: 66
Year: Issue:  4
Journal: Electrical Manufacturing

Abstract: 电力设备在运行中,绝缘材料长期受到电场、温度和机械振动的作用会逐渐发生性能劣化,其中包括整体劣化和部分劣化,以至形成缺陷.在各种电气预防性试验中,直流耐压试验和工频交流耐压试验是鉴定电力设备绝缘强度的有效和直接的方法,也是发电机交接和预防性试验中不可缺少的两大试验.……
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