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Power Loss Analysis of Bidirectional ACFC-SR Based Active Cell Balancing System ?

机译：基于双向ACFC-SR的电力损耗分析的主动电池平衡系统 ？

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摘要

With the expansion of the number of electric vehicles (EV) over the world, the research on the battery and the battery management system (BMS) have become more popular. The active balancing, which is working as an advanced function in the modern BMS, has attracted researchers’ attention to enhance battery system performance and prolong the battery pack life via integration of specially designed power electronic circuit with proper control and optimisation strategies in the BMS. This paper develops the power-loss and efficiency models of the bidirectional active clamp forward converter with synchronous rectifier (ACFC-SR) based active cell balancing system. The developed models can be involved in the power loss analysis of the active cell balancing system to underpin the energy efficiency performance evaluation and the balancing control system design of active balancing systems. The optimal balancing current with which the converter would operate at the maximum efficiency point can be obtained via the developed efficiency model. A case study is also included to illustrate the efficiency performance of the active balancing system.
机译：随着世界上电动汽车数量（EV）的扩展，对电池和电池管理系统（BMS）的研究变得更加流行。在现代BMS中作为先进功能的主动平衡引起了研究人员的注意，以提高电池系统性能，并通过专门设计的电力电子电路集成具有适当的控制和优化策略，延长了BMS中的适当控制和优化策略。本文利用基于同步整流器（ACFC-SR）的有源电池平衡系统，开发了双向活动钳位前进转换器的电力损耗和效率模型。开发的模型可以参与有源电池平衡系统的功率损耗分析，以支撑能效性能评估和有效平衡系统的平衡控制系统设计。通过开发的效率模型可以获得转换器在最大效率点处运行的最佳平衡电流。还包括案例研究以说明主动平衡系统的效率性能。

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