Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with speed Varies with power factor Varies with the load Remains constant at all loads Varies with speed Varies with power factor Varies with the load Remains constant at all loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. None of the listed here Singly fed Variable speed Variable pf None of the listed here Singly fed Variable speed Variable pf ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at normal load with minimum excitation normal load with zero excitation no-load and under-excited fields no-load and greatly over-excited fields normal load with minimum excitation normal load with zero excitation no-load and under-excited fields no-load and greatly over-excited fields 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 slower speed it runs at a very high speed the motor stops it continues to run at the same speed it runs at a slower speed it runs at a very high speed the motor stops ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Leading power factor synchronous motors cost ______ the unity pf motors. None of the listed here About the same as Less than More than None of the listed here About the same as Less than More than ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Good voltage regulation Good speed regulation Lower stability limit High stability limit Good voltage regulation Good speed regulation Lower stability limit High stability limit ANSWER DOWNLOAD EXAMIANS APP
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