Hierarchical distributed control fordecentralized battery energy storagesystem based on consensus algorithmwith pinning node

Hanqing Yang; Shihan Li; Qi Li; Weirong Chen

doi:10.1186/s41601-018-0081-5

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Hierarchical distributed control fordecentralized battery energy storagesystem based on consensus algorithmwith pinning node

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- Hierarchical distributed control fordecentralized battery energy storagesystem based on consensus algorithmwith pinning node
- Hierarchical distributed control fordecentralized battery energy storagesystem based on consensus algorithmwith pinning node
- 现代电力系统保护与控制（英文） 2018年3卷第1期
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- DOI：10.1186/s41601-018-0081-5
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- 纸质出版：2018
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Hanqing Yang, Shihan Li, Qi Li, 等. Hierarchical distributed control fordecentralized battery energy storagesystem based on consensus algorithmwith pinning node[J]. 现代电力系统保护与控制（英文）, 2018,3(1).

Hanqing Yang, Shihan Li, Qi Li, et al. Hierarchical distributed control fordecentralized battery energy storagesystem based on consensus algorithmwith pinning node[J]. Protection and Control of Modern Power Systems, 2018, 3(1).
Hanqing Yang, Shihan Li, Qi Li, 等. Hierarchical distributed control fordecentralized battery energy storagesystem based on consensus algorithmwith pinning node[J]. 现代电力系统保护与控制（英文）, 2018,3(1). DOI： 10.1186/s41601-018-0081-5.

Hanqing Yang, Shihan Li, Qi Li, et al. Hierarchical distributed control fordecentralized battery energy storagesystem based on consensus algorithmwith pinning node[J]. Protection and Control of Modern Power Systems, 2018, 3(1). DOI： 10.1186/s41601-018-0081-5.

摘要

A decentralized battery energy storage system (DBESS) is used for stabilizing power fluctuation in DC microgrids. Different state of charge (SoC) among various battery energy storage units (BESU) during operation will reduce batteries’ service life. A hierarchical distributed control method is proposed in this paper for SoC balancing and power control according to dispatching center requirement in DBESS. A consensus algorithm with pinning node is employed to allocate power among BESUs in the secondary control whereas in the primary control

the local controller of BESU adjusts output power according to the reference power from secondary control. Part of BESUs are selected to be pinning node for accepting command from dispatching center while other BESUs as following nodes which exchange output power and SoC information with the adjacent nodes through communication network. After calculating reference power of each BESU by adopting consensus algorithm

the power sharing in DBESS is achieved according to their respective SoC of BESUs. Meanwhile

the total output power of DBESS follows the varying requirements of dispatching center. The stability of DBESS is also improved because of having no center controller. The feasibility of the proposed control strategy is validated by simulation results.

Abstract

the power sharing in DBESS is achieved according to their respective SoC of BESUs. Meanwhile

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