Synchronous Motors The armature current of the synchronous motor has higher values for Higher excitation only Both higher and low excitation None of the listed here Low excitation only Higher excitation only Both higher and low excitation None of the listed here Low excitation only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ Normally excited Over excited Under excited None of the listed here Normally excited Over excited Under excited None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ High speed, high output High speed, low output Low speed, high output None of the listed here High speed, high output High speed, low output Low speed, high output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 90° electrical 30° electrical 45° electrical 0° electrical 90° electrical 30° electrical 45° electrical 0° electrical ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 2 percent Zero 10 percent 4 percent 2 percent Zero 10 percent 4 percent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One hour One second One minute None of the listed here One hour One second One minute None of the listed here ANSWER DOWNLOAD EXAMIANS APP