Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is S.Ns Zero Ns Nr S.Ns Zero Ns Nr ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors normally use cast aluminium rotor because aluminium is of low resistivity. easy to cast owing to its low melting point and is easily available. cheaper in cost. lighter in weight. of low resistivity. easy to cast owing to its low melting point and is easily available. cheaper in cost. lighter in weight. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor slots are slightly skewed in squirrel cage induction motor to decrease the amount of copper to be used. provide ease of fabrication. increase the strength of rotor bars. reduce the magnetic hum and locking tendency of rotor. decrease the amount of copper to be used. provide ease of fabrication. increase the strength of rotor bars. reduce the magnetic hum and locking tendency of rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound DC machine has 400 conductors and 8 poles. The voltage induced per conductor is 2 volts. The machine generates a voltage of 100 V. 400 V. 800 V. 200 V. 100 V. 400 V. 800 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be three. six. two. four. three. six. two. four. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to V2. 1 / V. V. 1 / V2. V2. 1 / V. V. 1 / V2. ANSWER DOWNLOAD EXAMIANS APP
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