Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then 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 it continues to run at the same speed it runs at a slower speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has High stability limit Good speed regulation Lower stability limit Good voltage regulation High stability limit Good speed regulation Lower stability limit Good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor is determined by its _____ kW rating None of the listed here kVAR rating kVA rating kW rating None of the listed here kVAR rating kVA rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 45° 60° 90° 120° 45° 60° 90° 120° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor decreases with the increase in Horse power rating Speed Flux density All of the listed here Horse power rating Speed Flux density All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Higher excitation only Low excitation only None of the listed here Both higher and low excitation Higher excitation only Low excitation only None of the listed here Both higher and low excitation ANSWER DOWNLOAD EXAMIANS APP
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