Positive SSL
1 一台44kW,220V之分激發電機,電樞電阻為0.06歐姆,若其他條件皆為理想狀況,其電壓調整率為若干?
A 5.76%
B 5.45%
C 7.52%
D 8.15%

IA≒IL=P/V=44k/220=200A

VNL=E=V+IARA=220+200×0.06=232V

VR%=(VNL-VFL)/VFL×100%

(232-220)/220×100%=5.45%