Positive SSL
1 某單相變壓器,其無載電流為1A,無載功率因數為0.18,則其磁化電流和鐵損電流各為多少?
A 0.18A,0.8A
B 0.18A,0.984A
C 0.8A,0.18A
D 0.984A,0.18A

鐵損電流 Ic=無載電流 Io×cosθ

Ic=1×0.18=0.18A

磁化電流 Im=無載電流 Io×sinθ

=1×1-0.182 =0.984