Electrical Machines For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 57.7% 50% 33.3% 66.3% 57.7% 50% 33.3% 66.3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the 3-phase induction motor, the resultant flux is of a constant nature and is 3/2 times maximum value of flux due to any phase 3 times maximum value of flux due to any phase 1/2 times maximum value of flux due to any phase equal to φm, where φm is the maximum flux due to any phase 3/2 times maximum value of flux due to any phase 3 times maximum value of flux due to any phase 1/2 times maximum value of flux due to any phase equal to φm, where φm is the maximum flux due to any phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on shaft torque. synchronous speed. rotor speed. core loss component. shaft torque. synchronous speed. rotor speed. core loss component. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 0.905. 1.1. 20. 0.05. 0.905. 1.1. 20. 0.05. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control provides speed control above rated speed. below rated speed. in one direction only. in both direction. above rated speed. below rated speed. in one direction only. in both direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using delta connection. zig - zag connection. V connection. star connection. delta connection. zig - zag connection. V connection. star connection. ANSWER DOWNLOAD EXAMIANS APP