Reduced Switching-Frequency State of Charge Balancing Strategy for Battery Integrated Modular Multilevel Converter

【摘要】 A modular multilevel converter(MMC) integrated with split battery cells(BIMMCs) is proposed for the battery management system(BMS) and motor drive system. In order to reduce the switching losses, the state of charge(SOC) balancing strategy with a reduced switching-frequency(RSF)is proposed in this paper. The proposed RSF algorithm not only reduces the switching losses, but also features good balancing performance both in the unbalanced and balanced initial states. The results are verified by extensive simulations in MATLAB/Simulink surroundings.更多还原

【Abstract】 A modular multilevel converter(MMC) integrated with split battery cells(BIMMCs) is proposed for the battery management system(BMS) and motor drive system. In order to reduce the switching losses, the state of charge(SOC) balancing strategy with a reduced switching-frequency(RSF)is proposed in this paper. The proposed RSF algorithm not only reduces the switching losses, but also features good balancing performance both in the unbalanced and balanced initial states. The results are verified by extensive simulations in MATLAB/Simulink surroundings.更多还原