Physics · Electrical Machines
During the start-up of a resistance-start single-phase induction motor, the centrifugal switch remains ______ until the motor speeds up to about 75% to 80% of synchronous speed.
- 1open and disconnects the starting winding
- 2open and disconnects the running winding
- 3closed and connects the running winding only
- 4closed and connects the starting winding✓
Correct answer
closed and connects the starting winding
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