Physics · Electrical Machines
For a running long-shunt DC compound motor, what happens if the shunt field winding accidentally gets open-circuited?
- 1The motor continues to operate normally as a compound motor.
- 2The motor comes to a complete stop immediately.
- 3The motor continues to operate stably as a standard shunt motor.
- 4The motor continues to operate like a series motor, but may reach dangerously high speeds depending on the load.✓
Correct answer
The motor continues to operate like a series motor, but may reach dangerously high speeds depending on the load.
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