A.2A B.32A C.1.23A D.320A
A.4.64Ω B.29.70Ω C.36.38Ω D.63Ω
A.325kV B.450kV C.480kV D.495kV
A.2317A，不满足要求 B.2503A，满足要求 C.2663A，满足要求 D.2831A，满足要求
A.380V B.379V C.291V D.219V
