engineering recuitment NHPC JE & THDC JE 2023 Mock Test Electrical Machines Single Phase Motor and Special Machines
If the centrifugal switch does not open at 70 to 80 per cent of the synchronous speed of the motor, it would result in
1
Damage to the starting winding
2
Damage to the centrifugal switch
3
Overloading of running winding
4
None of these