Volume 19, Issue 3 (September 2023)                   IJEEE 2023, 19(3): 61-73 | Back to browse issues page

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Zare-Mirakabad F, Kazemi M H, Doroudi A. Robust H∞-Primary Control of AC Islanded Microgrids based on LPV Modeling. IJEEE 2023; 19 (3) :61-73
URL: http://ijeee.iust.ac.ir/article-1-2724-en.html
Robust H∞-Primary Control of AC Islanded Microgrids based on LPV Modeling
Fatemeh Zare-Mirakabad , Mohammad Hosein Kazemi , Aref Doroudi
Abstract:   (1720 Views)
This paper proposes a robust H ∞ -LMI-based primary controller using the Linear Parameter Varying (LPV) modeling for an AC islanded Micro-Grid (IMG). The proposed controller can regulate the frequency and voltage of the IMG under various scenarios, such as load changes, faults, and reconfigurations. Unlike most previous studies that neglected the nonlinearity and uncertainty of the system, this paper represents the system dynamics as a polytopic LPV model in the novel primary control structure. The proposed method computes a state-feedback control by solving the corresponding Linear Matrix Inequalities (LMIs) based on H ∞ performance and stability criteria. The robust primary control is applied to a test IMG in the SIM-POWER environment of MATLAB and evaluated under different scenarios. The simulation results demonstrate the effectiveness and efficiency of the proposed method in maintaining the stability of the frequency and voltage of the IMG.
Keywords: Robust Control, AC Islanded-Microgrid, Robust Control, Primary Control, Nonlinearity, Uncertain Parameter.
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Type of Study: Research Paper | Subject: Robust Control
Received: 2022/11/30 | Revised: 2023/11/25 | Accepted: 2023/09/13
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© 2022 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.