In squirrel cage induction motors which of the following methods of starting cannot be used ?
A. Resistance in rotor circuit
B. Resistance in stator circuit
C. Auto-transformer starting
D. Star-delta starting
Answer:A
In squirrel cage induction motors which of the following methods of starting cannot be used ?
A. Resistance in rotor circuit B. Resistance in stator circuit C. Auto-transformer starting D. Star-delta starting