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ELETRONIC CIRCUIT WITH A CURRENT RIPPLE FILTER

  • US 20150061411A1
  • Filed: 04/10/2012
  • Published: 03/05/2015
  • Est. Priority Date: 04/10/2012
  • Status: Active Grant
First Claim
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1. An electronic circuit comprising an active current ripple filter, ACRF, the ACRF comprising one or more active components and an energy storage unit, the ACRF also comprising an input port and an output port, the electronic circuit also comprising a control unit connected to and arranged for the control of the ACRF, the electronic circuit further comprising a first detector connected to the control unit and arranged to detect a short circuit at the ACRF'"'"'s input port or the absence of an energy supply at the ACRF'"'"'s input port, the control unit being arranged to control the ACRF to function as an ACRF if the first detector detects that there is a power supply connected to the ACRF'"'"'s input port or that there is no short circuit at the ACRF'"'"'s input port, the control unit being arranged to control the ACRF to stop functioning as an ACRF and to discharge energy from its energy storage unit to its output port if the first detector detects that there is a short circuit at the ACRF'"'"'s input port or that there is no power supply connected to the ACRF'"'"'s input port.

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