二次回路维护应注意的问题

Questions Should be Observing of the Quadratic Circuit

从近年来的继电保护动作分析来看,断电保护不正确原因多出现在二次回路上,如接入保护装置模拟量、各开关量的正确性,二次回路抗干扰等问题。因此应确保二次回路的正确可靠,以保证电网的稳定运行。

This paper analyses the feature of the quadratic circuit and the correctness of digital quantity line with the relay anti-jamming of the quadratic circuit.try to findding a way to make sure the safe of the electric-network.