Distributed Finite-Time Secondary Voltage Restoration of Droop-Controlled Islanded Microgrids

In this paper, we investigate the distributed finite-time secondary voltage control for the islanded microgrid with droop-controlled, inverter-based distributed generations. By introducing an error function, a nonsingular terminal sliding manifold is established, then the secondary voltage control i...

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Main Authors: Xueqiang Shen, Haiqing Wang, Dezhen Zhang, Jian Li, Renshu Wang, Qingyu Su
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9123394/
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author Xueqiang Shen
Haiqing Wang
Dezhen Zhang
Jian Li
Renshu Wang
Qingyu Su
author_facet Xueqiang Shen
Haiqing Wang
Dezhen Zhang
Jian Li
Renshu Wang
Qingyu Su
author_sort Xueqiang Shen
collection DOAJ
description In this paper, we investigate the distributed finite-time secondary voltage control for the islanded microgrid with droop-controlled, inverter-based distributed generations. By introducing an error function, a nonsingular terminal sliding manifold is established, then the secondary voltage control is converted to a tracking consensus problem of the distributed nonsingular terminal sliding mode control. In the proposed control scheme, each distributed generation unit only requires its local information and the information from neighbors, which means only a simple communication network is needed. Furthermore, the distributed controller can adjust the voltage magnitude to its reference value in despite of dynamic uncertainties and bounded external disturbances. Numerical simulations are presented to demonstrate the effectiveness of the proposed control protocol.
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spelling doaj.art-69c957fc715c44fc8425953ff0d3eb162022-12-21T17:25:44ZengIEEEIEEE Access2169-35362020-01-01811818311819110.1109/ACCESS.2020.30043409123394Distributed Finite-Time Secondary Voltage Restoration of Droop-Controlled Islanded MicrogridsXueqiang Shen0Haiqing Wang1Dezhen Zhang2https://orcid.org/0000-0003-0386-1909Jian Li3https://orcid.org/0000-0002-3485-0551Renshu Wang4Qingyu Su5https://orcid.org/0000-0003-1355-6748School of Automation Engineering, Northeast Electric Power University, Jilin City, ChinaSchool of Automation Engineering, Northeast Electric Power University, Jilin City, ChinaSchool of Control Science and Engineering, Shandong University, Jinan, ChinaSchool of Automation Engineering, Northeast Electric Power University, Jilin City, ChinaElectric Power Research Institute, State Grid Fujian Electric Power Company Ltd., Fuzhou, ChinaSchool of Automation Engineering, Northeast Electric Power University, Jilin City, ChinaIn this paper, we investigate the distributed finite-time secondary voltage control for the islanded microgrid with droop-controlled, inverter-based distributed generations. By introducing an error function, a nonsingular terminal sliding manifold is established, then the secondary voltage control is converted to a tracking consensus problem of the distributed nonsingular terminal sliding mode control. In the proposed control scheme, each distributed generation unit only requires its local information and the information from neighbors, which means only a simple communication network is needed. Furthermore, the distributed controller can adjust the voltage magnitude to its reference value in despite of dynamic uncertainties and bounded external disturbances. Numerical simulations are presented to demonstrate the effectiveness of the proposed control protocol.https://ieeexplore.ieee.org/document/9123394/Islanded microgridssecondary voltage controlnonsingular terminal sliding mode control
spellingShingle Xueqiang Shen
Haiqing Wang
Dezhen Zhang
Jian Li
Renshu Wang
Qingyu Su
Distributed Finite-Time Secondary Voltage Restoration of Droop-Controlled Islanded Microgrids
IEEE Access
Islanded microgrids
secondary voltage control
nonsingular terminal sliding mode control
title Distributed Finite-Time Secondary Voltage Restoration of Droop-Controlled Islanded Microgrids
title_full Distributed Finite-Time Secondary Voltage Restoration of Droop-Controlled Islanded Microgrids
title_fullStr Distributed Finite-Time Secondary Voltage Restoration of Droop-Controlled Islanded Microgrids
title_full_unstemmed Distributed Finite-Time Secondary Voltage Restoration of Droop-Controlled Islanded Microgrids
title_short Distributed Finite-Time Secondary Voltage Restoration of Droop-Controlled Islanded Microgrids
title_sort distributed finite time secondary voltage restoration of droop controlled islanded microgrids
topic Islanded microgrids
secondary voltage control
nonsingular terminal sliding mode control
url https://ieeexplore.ieee.org/document/9123394/
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