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Power Sharing Control of Islanded AC Microgrid Considering Droop Control and Virtual Impedance

Villalon, Ariel; Munoz, Carlos; Aliaga, Rodrigo; Munoz, Javier; Rivera, Marco; Zanchetta, Pericle

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Ariel Villalon

Carlos Munoz

Rodrigo Aliaga

Javier Munoz

Marco Rivera


Microgrids appear as the key part of the future power systems that include distributed generators, renewable energy, and energy storage. In this paper a decentralized power sharing control scheme that includes droop control with virtual impedances with PI controllers for the voltage and current is proposed for an islanded AC microgrid with two voltage source inverters in parallel that share a residential load. To avoid circulating currents and unbalanced power sharing due to line impedance differences in the microgrid, virtual impedances are added. The proposed control scheme is implemented in MAT-LAB/Simulink to prove the proper operation under inductive behavior and mismatches in the line impedances of the microgrid system.

Conference Name IEEE International Conference on Industrial Technology (ICIT 2020)
Conference Location Buenos Aires, Argentina
Start Date Feb 26, 2020
End Date Feb 28, 2020
Acceptance Date Nov 15, 2019
Online Publication Date Apr 16, 2020
Publication Date 2020-02
Deposit Date Jul 24, 2020
Publicly Available Date Jul 31, 2020
Publisher Institute of Electrical and Electronics Engineers
Pages 1139-1144
Series ISSN 2643-2978
Book Title Proceedings: 2020 IEEE International Conference on Industrial Technology (ICIT)
ISBN 978-1-7281-5755-9
Public URL
Publisher URL
Additional Information © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.


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