What will be the EMF equation when synchronous motor is operating in leading power factor?
1
Ef = [ (Vt cos φ + IaRa)2 + (Vt sin φ - IaXa)2]\(\frac{1}{2}\)
2
Ef = [ (Vt cos φ - IaRa)2 + (Vt sin φ + IaXa)2]\(\frac{1}{2}\)
3
Ef = [ (Vt cos φ + IaRa)2 + (Vt sin φ + IaXa)2]\(\frac{1}{2}\)
4
Ef = [ (Vt cos φ - IaRa)2 + (Vt sin φ - IaXa)2]\(\frac{1}{2}\)