Synchronous Motors Dust and dirt accumulation on motor winding will result in Shorting of coils Increased core losses Rise in winding temperature Eddy current flow Shorting of coils Increased core losses Rise in winding temperature Eddy current flow ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then it continues to run at the same speed it runs at a very high speed the motor stops it runs at a slower speed it continues to run at the same speed it runs at a very high speed the motor stops it runs at a slower speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 4 percent 10 percent 2 percent Zero 4 percent 10 percent 2 percent Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except direction of rotation rotor excitation maximum value of coupling angle supply voltage direction of rotation rotor excitation maximum value of coupling angle supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or zero unity or 0.8 leading unity or 0.8 lagging zero or 0.8 leading unity or zero unity or 0.8 leading unity or 0.8 lagging zero or 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Leading power factor synchronous motors cost ______ the unity pf motors. About the same as Less than More than None of the listed here About the same as Less than More than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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