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1 有一台4極直流發電機,電樞導體數為1000根,其電樞為單分波形繞組,並聯路徑數為2,每極之磁通量為0.005韋伯,若電樞轉速為1200rpm,則電樞之感應電勢為多少伏特?
A 50V
B 100V
C 150V
D 200V

E = PZ60aΦn

= 4×100060×2×0.005×1200

=200V