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Charge and discharge system for electric power storage equipment

  • US 6,297,616 B1
  • Filed: 01/18/2000
  • Issued: 10/02/2001
  • Est. Priority Date: 01/18/1999
  • Status: Expired due to Fees
First Claim
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1. A charge and discharge apparatus for electric power storage means comprising:

  • an AC power source;

    a transforming apparatus, which comprises a primary winding connected to said AC power source, and plural secondary windings; and

    plural electric power converters comprising plural AC sides to be connected to said plural secondary windings, and plural DC sides to be connected to plural electric power storage means;

    wherein said AC power source comprises an electric power converting portion to be connected to said primary winding; and

    wherein said electric power converting portion is controlled so that the current flown to said primary winding becomes a current reference.

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