Electrical Machines What is the function of inter pole in DC generator? To get a superior commutation. Both option B and C. To serve the economical aspects. To neutralize the distortion of main field flux due to armature reaction. To get a superior commutation. Both option B and C. To serve the economical aspects. To neutralize the distortion of main field flux due to armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is 0.5 lagging R = S.X zero unity 0.707 lagging 0.5 lagging R = S.X zero unity 0.707 lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in parallel with the shunt field in series with the series field in parallel with the series field in series with the shunt field in parallel with the shunt field in series with the series field in parallel with the series field in series with the shunt field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC series motor is best suited for electric traction as It develops high starting torque. It consume less power. It is cheaper in cost. It runs at very high speed at light load. It develops high starting torque. It consume less power. It is cheaper in cost. It runs at very high speed at light load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The teeth in the armature of a DC machines are sometimes skewed. This is done to reduce hysteresis loss. copper loss. eddy electric current loss. vibrations. hysteresis loss. copper loss. eddy electric current loss. vibrations. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the e.m.f. generated by a 4 pole lap connected DC Generator rotating at 1500 r.p.m.? Its flux per pole is 0.4 mWb and total no of armature conductors is 1000. 40 volts. 20 volts. 30 volts. 10 volts. 40 volts. 20 volts. 30 volts. 10 volts. ANSWER DOWNLOAD EXAMIANS APP