新安全形势下贵州电网三道防线协调策略

Three lines of defense coordination strategy of the Guizhou Power Grid with the new security situation

基于国务院第599号令下三道防线的协调策略。以2012年贵州220kV、500kV电网为研究对象，分析了贵州电网存在的安全稳定问题，研究了利用三道防线配合协调来降低电力事故等级的策略，所提协调策略使电网在同样事故条件下降低了事故的等级。

This paper pmpesed a three lines of defense coordination strategy based on the Decree of the State Council （No. 599）. Put the Guizhou Power Grid of 220kV and 500kV as an example, the security and stability problem of the Guizhou Power Grid was analyzed. The strategy using three lines of defense coordination for lowering the level of electricity safety accidents was researched. The analysis results showed that the propesed coordina- tion strategy was feasible, which can lowered the level of electricity safety accidents under the same fault in same operation mode.