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Method for controlling temperature of inverter system by controlling a fan

  • US 9,867,314 B2
  • Filed: 06/12/2015
  • Issued: 01/09/2018
  • Est. Priority Date: 06/16/2014
  • Status: Active Grant
First Claim
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1. A method for controlling temperature of an inverter system having an inverter and a cooling fan, the method comprising:

  • obtaining an internal temperature of the inverter and a DC (Direct Current)-link voltage of the inverter; and

    outputting a fan driving control signal for driving the fan or maintaining the fan being driven to the fan, when the internal temperature is above a predetermined fan drive setting temperature and the DC-link voltage is above a predetermined fan drive setting voltage.

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