微机变压器差动保护原理及运行分析比较

摘要

The realization method of differential protection is briefly described,and the characteristics of several typical protection in the current system are compared.Based on the analysis of the field operation data,the advantages and disadvantages of several schemes of differential protection are discussed.%对差动保护实现方法进行简单阐述，对目前系统内运行的几种典型保护的特点进行简单比较。并通过对现场运行数据的分析，重点讨论了几种差动保护涌流闭锁方案的优缺点和合理性。