KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	A Variable Voltage Control Method of the High Voltage DC/DC Converter for a Hybrid or Battery Electric Vehicle
Authors	권태석(Kwon, Tae-Suk)
DOI	https://doi.org/10.5370/KIEE.2011.60.1.071
Page	pp.71-77
ISSN	1975-8359
Keywords	High voltage DC/DC converter ; Hybrid vehicle ; Power conversion
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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