A.1.19 B.1.40 C.0.94 D.0.75
A.0.02s B.0.01s C.0.03s D.短路发生
A.额定电压 B.计算电压 C.末端电压 D.最小电压
A.100MVA B.1.05Sr∑ C.Sr∑ D.随意
A.10% B.5% C.3% D.1%