双母线接线母线故障变压器断路器失灵的处理方法分析

Analysis on the Processing Methods of the Interval Transformer Protection's Failure in Double Busbar Connection

对双母线接线母差保护变压器间隔失灵问题进行了相关的研究。讨论了母差保护的原理与特性,给出了母差保护的重要性与母线差动保护的配置原则,分析了母线保护与变压器接口的关系。最后,结合实际问题,给出了双母线接线变压器间隔断路器失灵保护的不同的处理方法,并分析了每种方案的基本情况。

The paper has carried on related research on the interval transformer protection＇s failure in double busbar connection. Principle and characteristics of the bus protection are discussed in this paper. The importance of bus protection and the configuration principle of busbar differential protection are also given. In addition, the paper analyzes the relationship between the busbar protection and transformer interface. Finally, combining with the practical problems, this paper puts forward different processing methods of the interval transformer protection＇s failure in double busbar connection, and analyzes the basic situation of each scheme.