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POWER CONVERSION DEVICE

  • US 20130294124A1
  • Filed: 07/11/2013
  • Published: 11/07/2013
  • Est. Priority Date: 04/10/2012
  • Status: Active Grant
First Claim
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1. A power conversion device, comprising:

  • a first series circuit wherein a first inductor and a first bidirectional switching element are connected in series;

    a second series circuit, connected in parallel to the first bidirectional switching element, wherein a second bidirectional switching element and a capacitor are connected in series;

    a serial switching element wherein 2N (N being a positive integer) switching elements, in each of which a diode is connected in anti-parallel, are connected in series;

    a serial storage element, connected in parallel to the serial switching element, wherein first and second storage elements are connected in series;

    a first serial rectifier element, connected in parallel to the serial storage element, wherein first and second rectifier elements are connected in series; and

    a second inductor connected from an intermediate point of the 2N switching elements to a connection point of the second bidirectional switching element and capacitor, whereina connection point of the first and second storage elements is connected to a connection point of the first bidirectional switching element and the capacitor,a connection point of the first and second rectifier elements is connected to a connection point of the first bidirectional switching element and second bidirectional switching element, andalternating current applied to the first series circuit is converted, and output from both ends of the capacitor.

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