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发电机相序怎么用万用表确定
更新时间: 2020-10-25 00:00:00  

发电机和电网构成两个独立的三相系统。要实现并网,必须同时满足:电压相等,频率相等,相序相等,相位相等这四个条件。任何一个条件不具备而鲁莽合闸都会引起系统冲击,短路,甚至烧毁发电机。测量相序的专业方法是测“六角图”。用万用表测定同期必须掌握同期的特性,富有丰富的经验。过去曾经使用过“三灯法”同期鉴定,所以用万用表判断同期是可以实现的。

关键词: 发电机 怎么 确定

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