System and method for braking in an electric vehicle

  • US 7,848,857 B2
  • Filed: 10/30/2007
  • Issued: 12/07/2010
  • Est. Priority Date: 01/31/2001
  • Status: Active Grant
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First Claim
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1. An AC bus assembly on a vehicle having an engine, an AC generator coupled to the engine, a drive controller, an AC electric motor coupled to the drive controller, and a power storage unit, the AC bus assembly comprising:

  • a first end coupled to the generator;

    a second end coupled to the drive controller; and

    a third end configured to couple to a power receptacle off-board of the vehicle,wherein the AC bus is configured to carry power from the third end configured to couple to a power receptacle off-board of the vehicle to the power storage unit;

    wherein the AC bus is further configured to carry power regenerated by the electric motor from the drive controller to the generator, the generator is configured to provide mechanical power to the engine, and the engine is configured to dissipate the mechanical power in order to provide a braking function.

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