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Active filter

  • US 5,677,832 A
  • Filed: 01/13/1995
  • Issued: 10/14/1997
  • Est. Priority Date: 02/04/1994
  • Status: Expired due to Fees
First Claim
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1. Active filter adapted to compensate polluting harmonies on an electricity distribution network and comprising a source of energy, a bridge converter connected between the source and the network, control means for controlling the bridge converter in order to compensate for polluting harmonics, characterised in that the energy source is not changed by the bridge converter such that the state of the energy source is independant of the control means and such that the control means controls the injection of harmonies on the network by the bridge converter independantly of the state of the energy source.

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