Power converter

Power converter

  • CN 106,411,154 A
  • Filed: 07/29/2015
  • Published: 02/15/2017
  • Est. Priority Date: 07/29/2015
  • Status: Active Application
First Claim
Patent Images

1. a kind of power supply changeover device, including:

  • First input rectifier (110) and the second input rectifier (120), for from input voltageProduce rectified input voltage;

    It is coupled between the input of described power supply changeover device and DC output end crisscross parallelOne electric pressure converter (112) and second voltage transducer (122), for electric by rectified inputPressure be converted to VD, wherein, the input of described first voltage transducer (112) withDescribed first input rectifier (110) couples, the input of described second voltage transducer (122)Couple with described second input rectifier (120);

    First energy-storage travelling wave tube (C1), is coupled in the outfan of described first voltage transducer (112)And the earth terminal of described power supply changeover device between;

    Second energy-storage travelling wave tube (C2), is coupled in the outfan of described second voltage transducer (122)And the earth terminal of described power supply changeover device between;

    Output control unit (130), is coupled in the outfan of described first voltage transducer (112)And the outfan of described second voltage transducer (122) between, abnormal for occurring in input voltagePeriod, disconnect the outfan of described first voltage transducer (112) and described second voltage transducer(122) the connection between outfan;

    AndBy-pass unit (140), is coupled in described second energy-storage travelling wave tube (C2) and described first voltageBetween the input of transducer (112), for input voltage occur exception during so that storageEnergy in described second energy-storage travelling wave tube (C2) is via described by-pass unit (140) to describedOne energy-storage travelling wave tube (C1) transmits.

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