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1 有一台6極、繞線式三相感應電動機,滿載時之轉差率為5%;今在轉子之每相電路上串接2.5Ω之電阻,轉差率變為7.5%。試求轉子每相電阻應為何?
A
B
C 45Ω
D 50Ω

轉差率與轉子電阻成正比

R2S = R2'S'

R20.05 = R2+2.50.075

R2=5Ω