变频器不电机外壳接地线示意图危害，今天测得外壳居然有120V电压，外壳一碰有点麻，谁能具体帮我分析下看，今天他们

来源：蜘蛛抓取(WebSpider) 时间：2017-11-03 18:26 标签： 变频器接地线
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