變電一次安裝工(高級技師)章節(jié)練習(2019.05.07)

A.20L/L
B.15L/L
C.10L/L
D.8L/L

A.40kV/2.5mm
B.50kV/2.5mm
C.60kV/2.5mm
D.70kV/2.5mm

A.20L/L
B.15L/L
C.10L/L
D.8L/L

A.0.1%
B.0.3%
C.0.5%
D.1%

A.雙母線接線
B.雙母線分段帶旁路接線
C.二分之三接線
D.多角形接線

A.工頻電壓升高
B.電弧接地過電壓
C.變電所侵入波過電壓
D.鐵磁諧振