In a 3-phase synchronous motor
A. the field mmf leads the air gap flux and air-gap flux leads the armature mmf.
B. the armature mmf leads the air-gap flux and air-gap flux leads the field mmf.
C. the armature mmf leads the air-gap flux and air-gap flux lags behind the field mnif.
D. none of the above.
Answer:B
In a 3-phase synchronous motor
A. the field mmf leads the air gap flux and air-gap flux leads the armature mmf. B. the armature mmf leads the air-gap flux and air-gap flux leads the field mmf. C. the armature mmf leads the air-gap flux and air-gap flux lags behind the field mnif. D. none of the above.