Charging system with galvanic isolation and multiple operating modes

Kajouke, Lateef A.; Perisic, Milun; Ransom, Ray M.

Title: Charging system with galvanic isolation and multiple operating modes

Patent · Tue Jan 08 00:00:00 EST 2013

OSTI ID:1082884

Kajouke, Lateef A.; Perisic, Milun; Ransom, Ray M.

Systems and methods are provided for operating a charging system with galvanic isolation adapted for multiple operating modes. A vehicle charging system comprises a DC interface, an AC interface, a first conversion module coupled to the DC interface, and a second conversion module coupled to the AC interface. An isolation module is coupled between the first conversion module and the second conversion module. The isolation module comprises a transformer and a switching element coupled between the transformer and the second conversion module. The transformer and the switching element are cooperatively configured for a plurality of operating modes, wherein each operating mode of the plurality of operating modes corresponds to a respective turns ratio of the transformer.

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Research Organization:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-07NT43123

Assignee:: GM Global Technology Operations LLC (Detroit, MI)

Patent Number(s):: 8,350,523

Application Number:: 12/535,994

OSTI ID:: 1082884

Country of Publication:: United States

Language:: English

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