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SAFETY AND PERFORMANCE OPTIMIZED CONTROLS FOR LARGE SCALE ELECTRIC VEHICLE BATTERY SYSTEMS

  • US 20110049977A1
  • Filed: 08/31/2010
  • Published: 03/03/2011
  • Est. Priority Date: 09/01/2009
  • Status: Abandoned Application
First Claim
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1. An electric vehicle power system, comprising:

  • a battery system;

    a bus configured to transfer power to a motor drive; and

    a control circuit configured to selectively couple the battery to the bus and monitor integrity of the bus, the control circuit;

    discharging capacitance of the bus to a chassis in response to a disconnect between the battery and bus; and

    measuring impedance across the bus.

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