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Power conversion apparatus

  • US 9,667,165 B2
  • Filed: 10/05/2015
  • Issued: 05/30/2017
  • Est. Priority Date: 10/03/2014
  • Status: Active Grant
First Claim
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1. A power conversion apparatus comprising;

  • a semiconductor module configured to convert a DC power supplied from a high-voltage DC power supply to an AC power by switching operation of the semiconductor element, the semiconductor module including;

    a main body containing a semiconductor element;

    power terminals projecting from the main body configured to be connected to the high-voltage DC power supply; and

    high-voltage signal terminals projecting from the main body;

    a low-voltage component connected to a low-voltage DC power supply whose output voltage is lower than an output voltage of the high-voltage DC power supply, the low-voltage component having low-voltage signal terminals extending therefrom; and

    a control circuit board on which a control circuit for controlling the switching operation of the semiconductor Element is formed, the control circuit board being solder-connected with the low-voltage signal terminals and the high-voltage signal terminals, the control circuit board being formed with through holes respectively corresponding to the high-voltage signal terminals and the low-voltage signal terminals,wherein the high-voltage signal terminals and the low-voltage signal terminals are put into the through holes from one side in a thickness direction of the control circuit board, and the high-voltage signal terminals and the low-voltage signal terminals are solder-connected to the control circuit board at another side in the thickness direction.

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