In case one phase of a 3-phase synchronous motor is short-circuited the motor will
A. not start.
B. run at 2/3 of synchronous speed.
C. run with excessive vibrations.
D. take less than the rated load. [A.M.LE. Sec B. Elec. Machines Summer 1996]
Answer:D
In case one phase of a 3-phase synchronous motor is short-circuited the motor will
A. not start. B. run at 2/3 of synchronous speed. C. run with excessive vibrations. D. take less than the rated load. [A.M.LE. Sec B. Elec. Machines Summer 1996]