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Performance and Losses Analysis of Charging and Discharging Mode of a Bidirectional DC/DC Fullbridge Converter Using PWM Switching Pattern

Mehdi Javdani Erfani ; Torbjörn Thiringer (Institutionen för energi och miljö, Elteknik) ; Saeid Haghbin (Institutionen för energi och miljö, Elteknik)
7th IEEE Vehicle Power and Propulsion Conference, VPPC 2011, Chicago, 6-9 September 2011 (2011)
[Konferensbidrag, refereegranskat]

Bi-directional isolated on-board chargers are potential options in grid-connected vehicle applications in the future smart grid environment. For a two-stage bi-directional on-board charger consisting of an AC/DC converter and an isolated DC/DC converter, performance analysis has been conducted for the DC/DC stage. The DC/DC converter has full-bridge topology where the loss analysis has been done for different switching devices, transformer and inductor and for different operating points in both directions. A robust controller is designed for DC/DC converter to prevent the battery voltage overshoot. This DC/DC stage has a high efficiency figure, around 95%, in both battery charging and battery to the grid power transfer modes.

Nyckelord: Bi-directioanl, Boost converter, Buck converter, DC/DC converter, Isolated on-board charger



Denna post skapades 2011-07-08. Senast ändrad 2016-09-26.
CPL Pubid: 143303

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Elteknik

Ämnesområden

Elkraftteknik

Chalmers infrastruktur