In a synchronous generator delivering lagging power factor load
A. the excitation emf leads terminal voltage by the power angle.
B. the excitation emf lags the terminal voltage by the power angle.
C. excitation emf leads the terminal voltage by the power factor angle.
D. none of the above. [A.M.I.E. Sec B. Electrical Machines Summer 1995]
Answer:A
In a synchronous generator delivering lagging power factor load
A. the excitation emf leads terminal voltage by the power angle. B. the excitation emf lags the terminal voltage by the power angle. C. excitation emf leads the terminal voltage by the power factor angle. D. none of the above. [A.M.I.E. Sec B. Electrical Machines Summer 1995]