Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing frequency changing the supply voltage using brakes changing the load changing frequency changing the supply voltage using brakes changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ No load Half full load Full load None of the listed here No load Half full load Full load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except rotor excitation direction of rotation supply voltage maximum value of coupling angle rotor excitation direction of rotation supply voltage maximum value of coupling angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While starting a salient pole synchronous motor by induction motor action and connecting field discharge resistance across field, starting and accelerting torque is produced by induction motor torque in field winding induction motor torque in damper winding eddy current and hysteresis torque in pole faces All of the listed here induction motor torque in field winding induction motor torque in damper winding eddy current and hysteresis torque in pole faces All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor is pulled out of synchronism, the stator current _______ Is increased too much Remains unchanged Is decreased too much Becomes zero Is increased too much Remains unchanged Is decreased too much Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Both higher and low excitation Low excitation only None of the listed here Higher excitation only Both higher and low excitation Low excitation only None of the listed here Higher excitation only ANSWER DOWNLOAD EXAMIANS APP
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