Distributed control of inverter-interfaced microgrids based on consensus algorithm with improved transient performance

Jiajun Duan; Cheng Wang; Hao Xu; Wenxin Liu; Yaosuo Xue; Jian Chun Peng; Hui Jiang

doi:10.1109/TSG.2017.2762601

Distributed control of inverter-interfaced microgrids based on consensus algorithm with improved transient performance

Jiajun Duan, Cheng Wang, Hao Xu, Wenxin Liu, Yaosuo Xue, Jian Chun Peng, Hui Jiang

Power Systems Resilience

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

Conventional control solutions of the inverter-interfaced microgrids are usually designed based on models with fully decoupled subsystems. The negligence of the strong coupling due to power lines impedance leads to large transient line currents, which might trigger false protection. Besides, the droop-based control methods unnecessarily introduce system frequency and voltage deviations. To overcome these issues, a novel distributed control scheme is proposed for the inverter-interfaced microgrids in this paper. The objective of the primary control is to regulate the bus voltages and frequency while suppressing the transient line currents. The objective of secondary control is to maintain fair load sharing. Both primary control and secondary control are distributed and subsystems or control agents only require measurements from local and neighboring subsystems. The detailed control problem formulation, control design, and stability analysis are presented in this paper. The effectiveness of the proposed control solution is evaluated through extensive simulations based on both simplified and detailed models.

Original language	English
Article number	8076896
Pages (from-to)	1303-1312
Number of pages	10
Journal	IEEE Transactions on Smart Grid
Volume	10
Issue number	2
DOIs	https://doi.org/10.1109/TSG.2017.2762601
State	Published - Mar 2019

Funding

This work was supported in part by the U.S. Office of Naval Research under Grant N00014-16-1-3121, in part by the National Natural Science Foundation of China under Grant 51477104, and in part by the Shenzhen International Cooperation Research Project under Grant GJHZ20150313093836007. Paper no. TSG-00496-2017. Manuscript received April 11, 2017; revised August 14, 2017; accepted September 21, 2017. Date of publication October 20, 2017; date of current version February 18, 2019. This work was supported in part by the U.S. Office of Naval Research under Grant N00014-16-1-3121, in part by the National Natural Science Foundation of China under Grant 51477104, and in part by the Shenzhen International Cooperation Research Project under Grant GJHZ20150313093836007. Paper no. TSG-00496-2017. (Corresponding author: Wenxin Liu.) J. Duan and C. Wang are with the Department of Electrical and Computer Engineering, Lehigh University, Bethlehem, PA 18015 USA (e-mail: [email protected]).

Keywords

Distributed generations
Feedback linearization
Inverter-interfaced microgrids
Transient line current

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10.1109/TSG.2017.2762601

Cite this

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title = "Distributed control of inverter-interfaced microgrids based on consensus algorithm with improved transient performance",

abstract = "Conventional control solutions of the inverter-interfaced microgrids are usually designed based on models with fully decoupled subsystems. The negligence of the strong coupling due to power lines impedance leads to large transient line currents, which might trigger false protection. Besides, the droop-based control methods unnecessarily introduce system frequency and voltage deviations. To overcome these issues, a novel distributed control scheme is proposed for the inverter-interfaced microgrids in this paper. The objective of the primary control is to regulate the bus voltages and frequency while suppressing the transient line currents. The objective of secondary control is to maintain fair load sharing. Both primary control and secondary control are distributed and subsystems or control agents only require measurements from local and neighboring subsystems. The detailed control problem formulation, control design, and stability analysis are presented in this paper. The effectiveness of the proposed control solution is evaluated through extensive simulations based on both simplified and detailed models.",

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author = "Jiajun Duan and Cheng Wang and Hao Xu and Wenxin Liu and Yaosuo Xue and Peng, {Jian Chun} and Hui Jiang",

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AU - Peng, Jian Chun

AU - Jiang, Hui

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AB - Conventional control solutions of the inverter-interfaced microgrids are usually designed based on models with fully decoupled subsystems. The negligence of the strong coupling due to power lines impedance leads to large transient line currents, which might trigger false protection. Besides, the droop-based control methods unnecessarily introduce system frequency and voltage deviations. To overcome these issues, a novel distributed control scheme is proposed for the inverter-interfaced microgrids in this paper. The objective of the primary control is to regulate the bus voltages and frequency while suppressing the transient line currents. The objective of secondary control is to maintain fair load sharing. Both primary control and secondary control are distributed and subsystems or control agents only require measurements from local and neighboring subsystems. The detailed control problem formulation, control design, and stability analysis are presented in this paper. The effectiveness of the proposed control solution is evaluated through extensive simulations based on both simplified and detailed models.

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Distributed control of inverter-interfaced microgrids based on consensus algorithm with improved transient performance

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