A.80% B.85% C.90% D.95%
A.補(bǔ)償接地時(shí)的電容電抗 B.限制相間短路電抗 C.限制系統(tǒng)接地短路電流 D.防止操作過電壓
A.0.005 B.0.01 C.0.015 D.0.02