Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 5 Hz 50 Hz 1 Hz 0 Hz 5 Hz 50 Hz 1 Hz 0 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. Find the speed of stator magnetic field with respect to rotor? zero 1500 rpm 1470 rpm 30 rpm zero 1500 rpm 1470 rpm 30 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To have sparkless commutation, the armature reaction effect in a DC machine is neutralized by compensating winding and commutating poles. increasing field excitation. shifting the brush axis from GNA to MNA. fixing the brush axis inline with the pole axis. compensating winding and commutating poles. increasing field excitation. shifting the brush axis from GNA to MNA. fixing the brush axis inline with the pole axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Zero Ns Nr S.Ns Zero Ns Nr S.Ns ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulation method is accurate ? Synchronous impedance method ZPF method MMf method American standard association method Synchronous impedance method ZPF method MMf method American standard association method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is 0 Hz 50 Hz 100 Hz 25 Hz 0 Hz 50 Hz 100 Hz 25 Hz ANSWER DOWNLOAD EXAMIANS APP
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