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Power supply apparatus for motor and control method thereof

  • US 20040090200A1
  • Filed: 07/31/2003
  • Published: 05/13/2004
  • Est. Priority Date: 11/08/2002
  • Status: Abandoned Application
First Claim
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1. A power supply apparatus for a motor including an AC power supply, a diode rectifier circuit to rectify power of the AC power supply and a DC capacitor to smooth the rectified power, comprising:

  • a current limiting part provided between the AC power supply and the DC capacitor;

    a connection switching part to switch a connection state of the diode rectifier circuit and the current limiting part; and

    a controller to control the connection switching part so that the diode rectifier circuit and the current limiting part are connected to each other selectively in parallel or in series.

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