Comparison of modulations and dc-link balance control strategies for a multibattery charger system based on a three-level dual-active-bridge power converter,
Visualitza/Obre
10.1109/ISIE51582.2022.9831539
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/373794
Tipus de documentText en actes de congrés
Data publicació2022
EditorInstitute of Electrical and Electronics Engineers (IEEE)
Condicions d'accésAccés obert
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Abstract
This paper focuses on the study of a charger for two batteries connected in series. From the three-phase grid, the batteries are charged through a three-level neutral-point-clamped (NPC) ac-dc converter in cascade with a three-level NPC dualactive-bridge converter. The system provides galvanic isolation and allows bidirectional power flow. A simple control strategy to charge the batteries is considered, based on the regulation of the common- and differential-mode components of the batteries charging currents. In addition, the proposed control system regulates the total dc-link voltage and the dc-link voltage balance in the two systems dc-links. This work is particularly focused on the comparison of the charger performance under two competitive ac-dc converter modulations, in terms of the ac-side voltage harmonic content, the number of switching transitions, the dc-link voltage balance, and the charging current control capacity. Simulation results with the performance comparison are provided and the merits and demerits of each option are highlighted.
Descripció
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CitacióCampos, J. [et al.]. Comparison of modulations and dc-link balance control strategies for a multibattery charger system based on a three-level dual-active-bridge power converter,. A: IEEE International Symposium on Industrial Electronics. "2022 IEEE 31st International Symposium on Industrial Electronics (ISIE): Anchorage, AK, USA: June 1-3, 2022: proceedings". Institute of Electrical and Electronics Engineers (IEEE), 2022, p. 366-373. DOI 10.1109/ISIE51582.2022.9831539.
Versió de l'editorhttps://ieeexplore.ieee.org/document/9831539
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Final paper.pdf | Artículo principal | 1020,Kb | Visualitza/Obre |