设计和实施基于电感器的电池平衡电路,用于离子电池的减少开关
R Venkatasatish1, C Dhanamjayulu2
1School of Electrical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India.
Scientific reports
|November 20, 2024
概括
本研究引入了用于电动汽车离子电池的新型多导体活性电池平衡技术. 这些方法通过解决电池不平衡问题来提高电池的安全性和寿命.
科学领域:
- 电气工程 电气工程
- 材料科学 材料科学 材料科学
- 储能系统 储能系统 储能系统
背景情况:
- 电动汽车 (EV) 在很大程度上依赖于电池性能,离子电池 (LIB) 容易受到过度充电和深度放电的损坏.
- 充电/放电期间的电池不平衡会降低LIBs,缩短寿命,增加操作温度.
- 有效的电池管理系统 (BMS) 对LIB寿命至关重要,其中电池平衡是关键功能.
研究的目的:
- 建议和评估EV中LIBs的新型活性细胞平衡技术.
- 为了提高电动汽车电池组的安全性,效率和寿命.
- 为了应对由细胞失衡引起的降解和温度升高.
主要方法:
- 开发一种新的2层多感应器活性细胞平衡 (2L MI-ACB) 技术.
- 使用基于电荷状态的控制器实现单层多感应器活性电池平衡.
- 使用MATLAB/SimScape对52V电池系统进行模拟和验证.
- 使用OPAL-RT 5700模拟器进行实时硬件在循环 (HIL) 测试.
主要成果:
- 提出的基于感应器的细胞平衡方法有效地解决了LIBs中的细胞失衡问题.
- 模拟表明了2LMI-ACB和单层技术的有效性.
- 实时HIL测试证实了模拟结果,验证了方法的实际适用性.
结论:
- 新的多感应器活性电池平衡技术显著提高了电动汽车的LIB性能和寿命.
- 提出的方法为提高电池安全性和运营效率提供了可行的解决方案.
- 有效的电池平衡对于最大限度地提高电动汽车电池组的寿命和可靠性至关重要.
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