Patent ID: 7100717

Claim:
An electric power take-off system comprising: a first electrical machine; a first inverter coupled to said first electrical machine; a second inverter coupled to said first inverter; a second electrical machine coupled to said second inverter, said second electrical machine comprising: a first internal switch; a second internal switch; a first internal winding having a first end coupled to said second inverter; a second internal winding having a second end coupled to said second inverter; and a third internal winding having a third end coupled to said second inverter, wherein said first internal winding and said second internal winding are selectively connected or disconnected by said first internal switch and wherein said second internal winding and said third internal winding are selectively connected or disconnected by said second internal switch; an energy storage device coupled to said first inverter and said second inverter; an inverter controller coupled to and controlling said first inverter and said second inverter; a power filter coupled to said second inverter and to said first and second end, and said third end, said power filter comprising: a plurality of inductors coupled to said second inverter; and a plurality of capacitors coupled to said plurality of inductors; and a power distribution mechanism coupled to said power filter.