Line-Independent Plug-and-Play Voltage Stabilization and L2 Gain Performance of DC Microgrids

Mahdieh S. Sadabadi

doi:10.1109/LCSYS.2020.3041335

Line-Independent Plug-and-Play Voltage Stabilization and L2 Gain Performance of DC Microgrids

Mahdieh S. Sadabadi^*

^*Corresponding author for this work

EEE - Academic & Research

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

Abstract

The plug-and-play nature of distributed generation (DG) units in converter-interfaced microgrids imposes significant challenges from the control point of view, mainly caused by the time-varying microgrid structure. In this letter, we propose a systematic plug-and-play decentralized voltage control solution for DC microgrids. The proposed control approach guarantees the stable operation and satisfactory performance of microgrids under the arbitrary interconnection of DG units. Based on the Lyapunov method, concise stability and $\mathscr {L}_{2}$ gain voltage tracking performance certificates for DC microgrids are derived. The main feature of the proposed control approach is the decentralized design of local voltage controllers in DC microgrods. The proposed voltage control framework is applied to a case study of a multiple-DG DC microgrid in MATLAB/Simscape Electrical environment.

Original language	English
Article number	9273029
Pages (from-to)	1609-1614
Number of pages	6
Journal	IEEE Control Systems Letters
Volume	5
Issue number	5
DOIs	https://doi.org/10.1109/LCSYS.2020.3041335
Publication status	Published - Nov 2021

Keywords

DC microgrids
decentralized control
plug-and-play voltage control
stability and transient performance
ℒ₂ gain

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10.1109/LCSYS.2020.3041335

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title = "Line-Independent Plug-and-Play Voltage Stabilization and L2 Gain Performance of DC Microgrids",

abstract = "The plug-and-play nature of distributed generation (DG) units in converter-interfaced microgrids imposes significant challenges from the control point of view, mainly caused by the time-varying microgrid structure. In this letter, we propose a systematic plug-and-play decentralized voltage control solution for DC microgrids. The proposed control approach guarantees the stable operation and satisfactory performance of microgrids under the arbitrary interconnection of DG units. Based on the Lyapunov method, concise stability and $\mathscr {L}_{2}$ gain voltage tracking performance certificates for DC microgrids are derived. The main feature of the proposed control approach is the decentralized design of local voltage controllers in DC microgrods. The proposed voltage control framework is applied to a case study of a multiple-DG DC microgrid in MATLAB/Simscape Electrical environment.",

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AB - The plug-and-play nature of distributed generation (DG) units in converter-interfaced microgrids imposes significant challenges from the control point of view, mainly caused by the time-varying microgrid structure. In this letter, we propose a systematic plug-and-play decentralized voltage control solution for DC microgrids. The proposed control approach guarantees the stable operation and satisfactory performance of microgrids under the arbitrary interconnection of DG units. Based on the Lyapunov method, concise stability and $\mathscr {L}_{2}$ gain voltage tracking performance certificates for DC microgrids are derived. The main feature of the proposed control approach is the decentralized design of local voltage controllers in DC microgrods. The proposed voltage control framework is applied to a case study of a multiple-DG DC microgrid in MATLAB/Simscape Electrical environment.

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Line-Independent Plug-and-Play Voltage Stabilization and L2 Gain Performance of DC Microgrids

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Keywords

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