Design of a Wide Output Voltage Dual Active Bridge Converter as Power Electronics Building Block for the Fast Charging of Electric Vehicles

Conference paper (2021)

Authors

Tim M. Al Student
D. Lyu DC systems, Energy conversion & Storage - EEMCS
Thiago B. Soeiro DC systems, Energy conversion & Storage - EEMCS
P. Bauer DC systems, Energy conversion & Storage - EEMCS
Research Group
DC systems, Energy conversion & Storage (EEMCS) (TU Delft)
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Published Date

2021

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

DC systems, Energy conversion & Storage

Abstract

This paper verifies the potential of utilizing the Dual Active Bridge (DAB) converter as a 10 kW Power Electronics Building Block (PEBB) for the charging of Electric Vehicles (EVs) where a wide output voltage range is required. Following the tendency of the new EV charging standards from CCS and CHAdeMO, the commonly employed isolated DC-DC converter should be able to supply the rated power for different vehicles which employ battery technologies which could range from 300 V up to 1000 V. Rectangular (or phase-shift), triangular and trapezoidal modulation strategies are investigated, of which the last two techniques are used for designing the PEBB. Suitable SiC-based semiconductors are chosen, the passive components are designed and the power losses are derived for the whole operating range. It is found that a high power efficiency can be achieved using the designed system.

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