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Charging circuit for a frequency converter

  • US 20040105199A1
  • Filed: 09/05/2003
  • Published: 06/03/2004
  • Est. Priority Date: 09/05/2002
  • Status: Active Grant
First Claim
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1. A charging circuit for a frequency converter, comprising:

  • a first feed line comprising a first constant current source therein;

    a second feed line comprising a second constant current source therein;

    an intermediate circuit capacitor connected between said first feed line and said second feed line, wherein said first constant current source that limits a charging current of said intermediate circuit capacitor; and

    an electronic control device that controls both said first constant current source and said second constant current source in parallel.

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