Minimizes rough commutation

Maintain constant output voltage

Neutralizes the demagnetizing effect

Decreases the excitation current of field coils

Output voltage is pulsating

Output voltage is above normal

Generator fails to build up voltage

Generator builds up voltage normally

Output voltage increases

Output voltage decreases

Output voltage is pulsating

Output voltage will become zero

178 V

243 V

357 V

428 V

Using compensating winding

Providing additional inter poles

Increasing brush contact resistance

Adding resistance wires with winding