Hybrid SOC Balancing Control Strategy in MMC-UPQC System with Distributed Energy Storage

被引：0
|
作者：
Zhang, Zhenxiao [1 ]
Zhang, Chao [2 ]
Nian, Heng [1 ]
Wang, Yue [1 ]
Huang, Hongyang [2 ]
Xu, Qunwei [2 ]
机构：
[1] Zhejiang Univ, Coll Elect Engn, Hangzhou, Peoples R China
[2] Hangzhou Power Supply Co, State Grid Zhejiang Elect Power Co Ltd, Hangzhou, Peoples R China
来源：
2021 24TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2021) | 2021年
关键词：
MMC; medium-voltage power conversion; balancing method; apparatus-level control; carrier phase-shift modulation;
D O I：
10.23919/ICEMS52562.2021.9634536
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The modular multi-level converter based unified power quality controller (MMC-UPQC) with distributed energy storage can be directly connected to the medium and high voltage power grid for power quality regulation. The stable operation of the MMC-UPQC system needs to maintain the voltage of the DC ports in MMC. Based on the analysis of the topological structure of the MMC-UPQC system, this paper proposes a SOC balancing control strategy for sub-module battery, which combines the additional voltage control and sorting method. Simulation results verify the feasibility of the proposed control method.
引用
收藏
页码：2453 / 2458
页数：6
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