Based on introduction of traditional solutions for anti-cross stage tripping in coal mine, the regional set control type anti-overstep tripping system based on differential protection and differential protection principles of sample value of current mutation were analyzed in detail, which improved anti-cross stage technology of coal mine transformer substation.
刘 刚. 以差动保护为基础的煤矿变电站防越级跳闸系统研究[J]. 煤炭与化工, 2017, 40(6): 89-90,93.
Liu Gang. Study on anti-cross stage tripping system of coal mine transformer substation on the basis of differential protection. CCI, 2017, 40(6): 89-90,93.