The Active Power Control of Cascaded Multilevel Converter Based Hybrid Energy Storage System
The Active Power Control of Cascaded Multilevel Converter Based Hybrid Energy Storage System
复制标题
基于级联多电平变流器的混合储能系统的有功功率控制
DOI：
10.1109/tpel.2018.2882450
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发表时间：
2019-08
影响因子：
6.7
通讯作者：
Wu Chen
中科院分区：
文献类型：
--
作者：
Wei Jiang;Chengwei Zhu;Chen Yang;Lei Zhang;Shuai Xue;Wu Chen
级联型多电平变换器（CMC）由于其结构简单、电能质量高、输出电压高等优点，已被广泛应用于储能系统的功率变换系统中。然而，由于功率分配不对称问题，将CMC应用于混合储能系统（HESS）很困难。提出了一种新的基于CMC的HESS拓扑结构，在级联H桥的末端插入LC分支作为调谐滤波器，并进一步提出奇次谐波混合调制（OHHM）控制谐波频率分量，通过LC分支在不同储能元件之间传输功率。分析了OHHM技术的原理和LC分支的设计，并在此基础上提出了一种能量回收和SOC平衡联合系统。通过仿真和实验验证了所提出的HESS的原理和控制方法。
Because of its simple structure, high power quality and enhanced output voltage, cascaded multilevel converter (CMC) has been utilized as the main circuit of power conversion system of energy storage system. However, it is difficult to adapt CMC to hybrid energy storage system (HESS) because of the asymmetric power distribution problem. This paper proposes a novel topology for CMC-based HESS, in which, an LC branch is inserted at the end of cascaded H-bridges as a tuned filter, and an odd-harmonic-hybrid-modulation (OHHM) is further proposed to control the harmonic frequency components to transfer power among different energy storage components through the LC branch. The principle of the OHHM technique and the design of the LC branch are analyzed, based on which, a joint energy recovery and SOC balancing system is introduced. The principle and control method of the proposed HESS is verified by both the simulations and experiments.
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影响因子：
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作者：
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影响因子：
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