Four-Port Bidirectional Dual Active Bridge Converter for EVs Fast Charging
IEEE Energy Conversion Congress and Exposition(2019)
摘要
This paper presents the modeling of the isolated multiport bidirectional dual active bridge DC-DC Converter to be used in fast charging applications. The proposed topology uses four different full-bridge sections: the first full-bridge is able to manage the PV source, the second full-bridge is connected to a stationary storage system and can operate as either a source or a load, the remaining two full-bridges are able to manage the charging of the battery units up to two vehicles. All ports are connected through a high-frequency multi-winding transformer which allows to create a magnetic node. The analytical model of the four-port bidirectional dual active bridge DC-DC (4P-DAB) Converter is addressed in order to investigate the system behavior and to obtain the control law to manage the power flows between the ports. Switching model of a 100 kVA 4P-DAB Converter has been created in MATLAB/Simulink to validate the analytical model. The modes of operation of the proposed topology is then validated through the Hardware-In-the-Loop (HIL) test bench.
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关键词
4P-DAB Converter,stationary storage system,full-bridge sections,fast charging applications,isolated multiport bidirectional dual active bridge DC-DC Converter,EVs fast charging,port bidirectional dual active bridge Converter,four-port bidirectional dual active bridge DC-DC,analytical model,high-frequency multiwinding transformer,apparent power 100.0 kVA
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