Converts A.C to D.C

Converts A.C to A.C

Converts D.C to A.C

Converts D.C to D.C

Easy to operate

Robust in construction

Very high starting torque

Maintenance free long life

By reducing the field current

By increasing the field current

By increasing the supply voltage

By reducing the armature voltage

By reducing the field current

By increasing the field current

By reducing the armature current

By controlling the armature voltage