探讨隐蔽的电压互感器二次电压误接线问题

Discussion of potential misconnection on secondary voltage of voltage transformer

利用实例详细阐述了隐蔽的电压互感器二次电压误接线问题,分析了微机保护插件内部和线路电压互感器内部二次电压误接线长期存在的原因及其对保护动作行为的影响,提出了解决办法。

The paper takes examples to describe the potential misconnection problem on secondary voltage of voltage transformer. It analyzes the reasons of long-term misconnection in computerized protective inserters and voltage transformers of lines, and discusses the impact of existing problems on protection action. Solutions are presented.