Multi-Agent Sliding Mode Control for State of Charge Balancing Between Battery Energy Storage Systems Distributed in a DC Microgrid

被引：180

作者：

Morstyn, Thomas ^{[1
]}

Savkin, Andrey V. ^{[2
]}

Hredzak, Branislav ^{[2
]}

Agelidis, Vassilios G. ^{[3
]}

机构：

[1] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England

[2] Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia

[3] Tech Univ Denmark, Dept Elect Engn, DK-4000 Roskilde, Denmark

来源：

IEEE TRANSACTIONS ON SMART GRID | 2018年 / 9卷 / 05期

关键词：

Battery energy storage systems; DC microgrid; distributed energy storage; distributed sliding mode control; hybrid systems; multi -agent control; secondary control; state of charge balancing; AC;

D O I：

10.1109/TSG.2017.2668767

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：

This paper proposes the novel use of multi-agent sliding mode control for state of charge balancing between distributed de microgrid battery energy storage systems. Unlike existing control strategies based on linear multi-agent consensus protocols, the proposed nonlinear state of charge balancing strategy: 1) ensures the battery energy storage systems are either all charging or all discharging, thus eliminating circulating currents, increasing efficiency, and reducing battery lifetime degradation; 2) achieves faster state of charge balancing; 3) avoids overloading the battery energy storage systems during periods of high load; and 4) provides plug and play capability. The proposed control strategy can be readily integrated with existing multi-agent controllers for secondary voltage regulation and accurate current sharing. The performance of the proposed control strategy was verified with an RTDS Technologies real-time digital simulator, using switching converter models and nonlinear lead-acid battery models.

引用

页码：4735 / 4743

页数：9

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