Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or zero unity or 0.8 lagging zero or 0.8 leading unity or 0.8 leading unity or zero unity or 0.8 lagging zero or 0.8 leading unity or 0.8 leading 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 very high the stator current will be zero the back e.m.f. will be more than the supply voltage the stator current will be very small the stator current will be very high the stator current will be zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor resembles a rotary converter an alternator a series motor an induction motor a rotary converter an alternator a series motor an induction motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing the supply voltage changing frequency changing the load using brakes changing the supply voltage changing frequency changing the load using brakes ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at 0.707 power factor lagging 0.707 power factor leading unity power factor zero power factor leading 0.707 power factor lagging 0.707 power factor leading unity power factor zero power factor leading ANSWER DOWNLOAD EXAMIANS APP
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