1、变比补偿: 1 1 IB,local:IA,remote: LOCAL 3.05 AIR,1:Id,1,trip at IR,1:Id,1:-0.95 A 0 (A相制动量)(A相差动量)0 2.0002.1002.100 IB,local:IB,remote: IR,2:Id,2,trip at IR,2:Id,2: 0 A(B相制动量)(B相差动量)0 A -120 2.0002.1000.000-270 IC,local:IR,3:Id,3,trip at IR,3:Id,3:IC,remote: (C相制动量)(C相差动量) 0 A2.0002.1000.0000 A -240 0 计
2、算结果 两台互连进行测试: IR.AId,A,trip at IR,A: 3.05 A2.002.10-0.95 A 0 0 制动量差动量计算结果误差 12.3m1: 0.30.000% 22.6m2: 10.000% 55.39Id,m2: 2.30.000% 77.39 test result A相相差差动动:B相相差差动动:C相相差差动动: TRIPNO TRIPNO TRIP比例尺: 大 14 小 Id:m1:IR,m2:m2: (差动门槛值)(斜率1)(拐点电流)(斜率2) 1.500.302.31.00 2.10 14131211109876543210 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 IR / Ire 制动量 Id / Iref 制制动动量量 比率制动跳闸特性A相B相C相测试点