浅谈电流互感器的抽头错接的现场分析与处理

电流互感器是利用电磁感应原理将一、二次系统进行隔离,并将一次大电流按比例转变为小电流供继电保护、自动装置及测量仪表等二次装置使用的电气设备。为了灵活调整电流互感器的变比,以适应现场情况不同的需要,很多电流互感器都可以通过改变二次线圈的抽头来调整变比。文章通过某变电站某台主变一个电流互感器某相别接错抽头实例的现场分析判断,探讨了电流互感器有关变比及抽头的一些工作原则和特性。

On the Current Transformer Tap Wrongly-site Analysis and Processing

The current transformer is to use electromagnetic induction to one or two isolated systems,and a large current changes in proportion to the small current for relay protection,automatic devices and measuring instruments and other secondary devices using electrical equipment.In order to flexibly adjust the current transformer ratio,to meet the needs of the scene is different,many of the current transformer can be tapped by changing the secondary coil to adjust the ratio.Article by a substation of a main trans...