Electrical Engineering · Synchronous Motors
A synchronous motor, connected to an infinite bus, is working at a leading power factor. Its excitation e.m.f. (Ef) and alternator terminal voltage (Vt) are related as:
- 1Ef > Vt and Ef leads Vt
- 2Ef < Vt and Ef lags Vt
- 3Ef > Vt and Ef lags Vt✓
- 4Ef < Vt and Ef leads Vt
Correct answer
Ef > Vt and Ef lags Vt
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