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SYSTEM FOR SUPPLYING PROPULSION ENERGY FROM AN AUXILIARY DRIVE AND METHOD OF MAKING SAME

  • US 20120245772A1
  • Filed: 03/23/2011
  • Published: 09/27/2012
  • Est. Priority Date: 03/23/2011
  • Status: Active Grant
First Claim
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1. A propulsion system comprising:

  • an energy system comprising;

    a bi-directional boost converter coupled to a direct current (DC) link, the bi-directional boost converter comprising a plurality of input channels; and

    a first energy storage device coupled to a first input channel of the bi-directional boost converter via a DC bus;

    an auxiliary system coupled to the energy system, the auxiliary system comprising;

    an auxiliary energy source;

    an auxiliary load; and

    an auxiliary load controller coupled to the auxiliary energy source and to the auxiliary load; and

    a system controller configured to;

    cause the auxiliary load controller to reduce a power draw of the auxiliary load from the auxiliary energy source; and

    cause the bi-directional boost converter to boost a voltage supplied by the auxiliary energy source and to supply the boosted voltage to the DC link.

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