Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss? 980 Watt. 1920 Watt. 1960 Watt. 1800 Watt. 980 Watt. 1920 Watt. 1960 Watt. 1800 Watt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be series. any one of the connection. parallel. no resistance is connected. series. any one of the connection. parallel. no resistance is connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Parallel. Compound. Series. None of the options. Parallel. Compound. Series. None of the options. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? either increase or decrease None of these increase decrease either increase or decrease None of these increase decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Core loss component. Shaft torque. Rotor speed. Synchronous speed. Core loss component. Shaft torque. Rotor speed. Synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of 2.5Hz 48.5Hz 1.5Hz 51.5Hz 2.5Hz 48.5Hz 1.5Hz 51.5Hz ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS