Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing frequency using brakes changing the load changing the supply voltage changing frequency using brakes changing the load changing the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the back e.m.f. will be more than the supply voltage the stator current will be very small the stator current will be zero the stator current will be very high the back e.m.f. will be more than the supply voltage the stator current will be very small the stator current will be zero the stator current will be very high ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor cannot be due to variable load windage friction variable supply voltage variable frequency variable load windage friction variable supply voltage variable frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Slip rings in a synchronous motor carry Direct current Alternating current No current All of the listed here Direct current Alternating current No current All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ More than rated rotor current Less than rated horsepower output None of the listed here More than rated horseppwer output More than rated rotor current Less than rated horsepower output None of the listed here More than rated horseppwer output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
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