This paper describes the operation principle of a simple phase sequence relay, its parameter calculating method, and the correlative relationship and optimization problem on element parameters.
本文阐述了一种简单的相序保护器的工作原理及其参数计算原则，讨论了元件参数之间的相对关系和优化问题。
Interpolation technique is used to solve the problem of phase information missing generated by weak sequence signal.
相位插补技术主要用于解决因弱信号段而产生的相位信息缺失的问题。
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