• Patent Title: High efficiency AC-AC converter with bidirectional switch
  • Application No.: US14762708
    Application Date: 2014-01-07
  • Publication No.: US09692315B2
    Publication Date: 2017-06-27
  • Inventor: Nils BäckmanRoberto Rojas
  • Applicant: Eltek AS
  • Applicant Address: NO Drammen
  • Assignee: Eltek AS
  • Current Assignee: Eltek AS
  • Current Assignee Address: NO Drammen
  • Agency: Osha Liang LLP
  • Priority: GB1301189.5 20130123
  • International Application: PCT/EP2014/050129 WO 20140107
  • International Announcement: WO2014/114481 WO 20140731
  • Main IPC: H02M5/458
  • IPC: H02M5/458 H02J9/06 H02M7/217
High efficiency AC-AC converter with bidirectional switch
Abstract:
An AC-AC converter device includes first and second AC input terminals and first and second AC output terminals. An input device is connected between an input node, a common node, a positive DC terminal and a negative DC terminal, wherein the input node is connected to the first AC input terminal via a first input inductor. An output device is connected between an output node, the positive DC terminal and the negative DC terminal, wherein the output node is connected to the first AC output terminal via an output inductor. A common device is connected between the common node, the positive DC terminal and the negative DC terminal, where the common node is connected to the second AC input terminal via a common inductor. A control device is provided for controlling the switches of the output device and the common device.
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