Patent ID: 8026691
Filing Date: 2011-09-27
Classification: B60L,Y02T

Abstract:
1. A double ended inverter system for an AC traction motor of a vehicle, the double ended inverter system comprising: a fuel cell configured to provide a DC voltage; an impedance source inverter subsystem coupled to the fuel cell and configured to drive the AC traction motor, the impedance source inverter subsystem comprising an ultracapacitor, an inverter section, and a crossed LC X-link coupled between the inverter section and the fuel cell, wherein the crossed LC X-link comprises: a DC voltage source; and an inverter subsystem coupled to the DC voltage source and configured to drive the AC electric traction motor; wherein: the ultracapacitor is coupled between the second end of the first inductance element and the first end of the second inductance element; the second end of the first inductance element is coupled to a first input node of the inverter section; the second end of the second inductance element is coupled to a second input node of the inverter section; the first end of the second inductance element is coupled to a low potential terminal of the fuel cell; and the double ended inverter system further comprises a diode having an anode coupled to a high potential terminal of the fuel cell, and a cathode coupled to the first end of the first inductance element.