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Power conversion system

  • US 5,177,677 A
  • Filed: 03/06/1990
  • Issued: 01/05/1993
  • Est. Priority Date: 03/08/1989
  • Status: Expired due to Term
First Claim
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1. A power conversion system comprising a power converter for converting an AC signals of an AC power supply having variable frequency and variable voltage into a DC signal, means for controlling turning-on and off of switching elements of the power converter, a load device connected to a DC output side of the power converter, voltage control means for controlling a DC output voltage of the power converter to a predetermined value, and means for limiting an input current of the power converter in accordance with a signal relating to one of the voltage and frequency of the AC power supply.

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