engineering recuitment HPCL Junior Executive 2025 Mock Test Electrician and Wireman Electrical Machines Polyphase Induction Motors
What is the main difference in construction of slip ring induction motor as compared to squirrel cage induction motor?
1
The ends of the rotors are interconnected
2
The copper rods are inserted into the rotor slots
3
Rotor has skewed slots
4
The rotor is wound with a 3-phase winding and is connected in a star