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

页码：2453 / 2458

页数：6

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