A synchronous motor, connected to an infinite bus, is working at a leading power factor.
Its excitation emf Ef and terminal voltage Vf are related as under
A. Ef > Vt and Ef lags Vt
B. Ef < Vt and Ef lags Vt
C. Ef > Vt and Ef leads Vt
D. Ef < Vt and Ef leads Vt
Show Answer
Answer: C
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