Physics · Electrical Machines
What is the primary function of interpoles in a DC motor?
- 1To increase the counter EMF of the motor
- 2To reduce the power of the main field
- 3To reduce sparking at the commutator and counteract armature reaction✓
- 4To increase the speed of the motor
Correct answer
To reduce sparking at the commutator and counteract armature reaction
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