The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Variable Voltage Control Method of the High Voltage DC/DC Converter for a Hybrid or Battery Electric Vehicle

친환경 차량용 고전압 DC/DC 컨버터의 가변 전압 제어

  • Received : 2010.09.28
  • Accepted : 2010.12.16
  • Published : 2011.01.01
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Abstract

An analysis, which is focused on electrical losses of an electrical propulsion system with High voltage DC/DC Converter (HDC) for a hybrid and an electric vehicle, is presented. From the analysis, it can be known that the electrical losses are closely related to the dc link voltage of the HDC, and there is an optimal dc link voltage which minimizes the losses. In this paper, the method to decide the optimal dc link voltage is proposed and the comparison on the losses by the control methods of the dc link voltage, during a driving cycle, is performed and the result is also presented.

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References

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