Comprehensive DC Power Balance Management in High-Power Three-Level DC-DC Converter for Electric Vehicle Fast Charging

Longcheng Tan, Bin Wu, Sebastian Rivera, Venkata Yaramasu

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

96 Citas (Scopus)

Resumen

With the increasing popularity of electric vehicles, there is an urgent demand to shorten the charging time, so the development of high-power charging stations with fast chargers is necessary to alleviate range anxiety for drivers. The charging station based on the neutral-point-clamped (NPC) converter can bring many merits, but it has unbalanced power problems in the bipolar dc bus. To solve this issue, comprehensive dc power balance management (PBM) in conjunction with high-power three-level dc-dc converter based fast charger is proposed in this paper. The active dc power balance management (APBM) is proposed to assist the central NPC converter in balancing power so that the additional balancing circuit is eliminated; while the passive dc power balance management (PPBM) is proposed to eliminate the fluctuating neutral-point currents and to ensure the balanced operation of fast chargers. The principles of APBM and PPBM are researched, the efficient integration between them is studied, and the overall control scheme for the fast charger is proposed. The power balance limits of APBM are explored, while the circulating currents of PPBM are analyzed. Simulation and experimental results are presented to verify the effectiveness of the proposed fast charger with PBM functions.

Idioma originalInglés
Número de artículo7029132
Páginas (desde-hasta)89-100
Número de páginas12
PublicaciónIEEE Transactions on Power Electronics
Volumen31
N.º1
DOI
EstadoPublicada - 1 ene. 2016
Publicado de forma externa

Nota bibliográfica

Publisher Copyright:
© 2015 IEEE.

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