4000hp Synchronous Motor retrofit for Ball Mill

Preventative overhaul of an existing 4000hp, 4kV synchronous motor in service continously for over 40 years. Included new rotor and salient pole fields, new stator windings, pedestal sleeve bearings and new coupling. Included also new state of the art field excitation package and power factor controller. Refurbishment of the rotor completed within 3 weeks.