故障分量负序方向元件若干问题的研究

The Research on Several Problemsin Using Negative Sequence Directional Relay Protection Based on Fault Component

针对故障分量负序方向保护在实际应用中的一些相关问题，作了较仔细的分析，研究了保护的逻辑形式及其各元件灵敏度配合、负序分量的计算、保护流程等方面，提出了一些抗干扰、防误动的措施。

Some problems encountered in using negative sequence directionalrelay protection based on fault componentare discussed .It makes some analysis on the operation logic ,the calculation of negative sequence componentand program flow etc .Some anti malfunction measures are broughtforward .