An Enhanced Distributed Voltage Regulation Scheme for Radial Feeder in Islanded Microgrid

Khan, Muhammad Zahid; Mu, Chaoxu; Habib, Salman; Alhosaini, Waleed; Ahmed, Emad M.

doi:10.3390/en14196092

Open AccessArticle

An Enhanced Distributed Voltage Regulation Scheme for Radial Feeder in Islanded Microgrid

by

Muhammad Zahid Khan

^1,2,*,

Chaoxu Mu

¹,

Salman Habib

^3,*

,

Waleed Alhosaini

^4,5 and

Emad M. Ahmed

^4,6

¹

School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China

²

Department of Electrical and Computer Engineering, COMSATS University Islamabad, Lahore 54000, Pakistan

³

College of Energy and Electrical Engineering, Hohai University, Nanjing 211100, China

⁴

Department of Electrical Engineering, College of Engineering, Jouf University, Sakaka 72388, Saudi Arabia

⁵

Engineering and Applied Sciences Research Unit, Jouf University, Sakaka 72388, Saudi Arabia

⁶

Department of Electrical Engineering, Faculty of Engineering, Aswan University, Aswan 81542, Egypt

^*

Authors to whom correspondence should be addressed.

Energies 2021, 14(19), 6092; https://doi.org/10.3390/en14196092

Submission received: 3 August 2021 / Revised: 12 September 2021 / Accepted: 16 September 2021 / Published: 24 September 2021

(This article belongs to the Section A1: Smart Grids and Microgrids)

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Abstract

Even the simplest version of the distribution networks face challenges such as maintaining load voltage and system frequency stability and at the same time minimizing the circulating reactive power in grid-forming nodes. As the consumers at the far end of the radial distribution network face serious voltage fluctuations and deviations once the load varies. Therefore, this paper presents an enhanced distributed control strategy to restore the load voltage magnitude and to realize power-sharing proportionally in islanded microgrids. This proposed study considers the voltage regulation at the load node as opposed to the inverter terminal. At the same time, a supervisory control layer is put on to observe and correct the load voltage and system frequency deviations. This presented method is aimed at replacing paralleled inverter control methods hitherto used. Stability analysis using system-wide methodical small-signal models, the MATLAB/Simulink, and experimental results obtained with conventional and proposed control schemes verify the effectiveness of the proposed methodology.

Keywords: microgrid control; distributed control system; distribution network; voltage regulation; power sharing; smart grid

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MDPI and ACS Style

Khan, M.Z.; Mu, C.; Habib, S.; Alhosaini, W.; Ahmed, E.M. An Enhanced Distributed Voltage Regulation Scheme for Radial Feeder in Islanded Microgrid. Energies 2021, 14, 6092. https://doi.org/10.3390/en14196092

AMA Style

Khan MZ, Mu C, Habib S, Alhosaini W, Ahmed EM. An Enhanced Distributed Voltage Regulation Scheme for Radial Feeder in Islanded Microgrid. Energies. 2021; 14(19):6092. https://doi.org/10.3390/en14196092

Chicago/Turabian Style

Khan, Muhammad Zahid, Chaoxu Mu, Salman Habib, Waleed Alhosaini, and Emad M. Ahmed. 2021. "An Enhanced Distributed Voltage Regulation Scheme for Radial Feeder in Islanded Microgrid" Energies 14, no. 19: 6092. https://doi.org/10.3390/en14196092

APA Style

Khan, M. Z., Mu, C., Habib, S., Alhosaini, W., & Ahmed, E. M. (2021). An Enhanced Distributed Voltage Regulation Scheme for Radial Feeder in Islanded Microgrid. Energies, 14(19), 6092. https://doi.org/10.3390/en14196092

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

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An Enhanced Distributed Voltage Regulation Scheme for Radial Feeder in Islanded Microgrid

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