The torque angle of a synchronous machine operating from a constant voltage bus is usually defined as the space angle between
A. rotor mmf wave and stator mmf wave.
B. rotor mmf wave and resultant flux density wave.
C. stator mmf wave and resultant flux density wave.
D. stator mmf wave and resultant mmf wave. [GATE E.E. 1992]
Answer:A
The torque angle of a synchronous machine operating from a constant voltage bus is usually defined as the space angle between
A. rotor mmf wave and stator mmf wave. B. rotor mmf wave and resultant flux density wave. C. stator mmf wave and resultant flux density wave. D. stator mmf wave and resultant mmf wave. [GATE E.E. 1992]