A.雷電過電壓 B.諧振過電壓 C.工頻過電壓 D.解列過電壓
A.√3 (p.u.) B.2.0 (p.u.) C.3.0 (p.u.) D.4.0 (p.u.)
A.100% B.91% C.71% D.51%