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Flexible Compensation of Voltage and Current Unbalance and Harmonics in Microgrids

Author

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  • Seyyed Yousef Mousazadeh Mousavi

    (Department of Electrical Engineering, Iran University of Science and Technology, Tehran 16846-13114, Iran)

  • Alireza Jalilian

    (Department of Electrical Engineering, Iran University of Science and Technology, Tehran 16846-13114, Iran
    Center of Excellence for Power System Automation and Operation, Iran University of Science and Technology, Tehran 16846-13114, Iran)

  • Mehdi Savaghebi

    (Department of Energy Technology, Aalborg University, Aalborg 9220, Denmark)

  • Josep M. Guerrero

    (Department of Energy Technology, Aalborg University, Aalborg 9220, Denmark)

Abstract

In recent years, the harmonics and unbalance problems endanger the voltage and current quality of power systems, due to increasing usage of nonlinear and unbalanced loads. Use of Distributed Generation (DG)-interfacing inverters is proposed for voltage or current compensation. In this paper, a flexible control method is proposed to compensate voltage and current unbalance and harmonics using the distributed generation (DG)-interfacing inverters. This method is applicable to both grid-connected and islanded Microgrids (MGs). In the proposed method, not only the proper control of active and reactive powers can be achieved, but also there is flexibility in compensating the voltage or current quality problems at DG terminals or Points of Common Coupling (PCCs). This control strategy consists of active and reactive power controllers and a voltage/current quality-improvement block. The controller is designed in a stationary ( αβ ) frame. An extensive simulation study has been performed and the results demonstrate the effectiveness of the proposed control scheme. Depending on the compensation modes, the harmonics and unbalance compensation of DG output current, MG-injected current to the grid, as well as PCC and DG voltages, can be achieved in grid-connected operation of MG while in the islanded operation, and the PCC and DG voltages compensation can be obtained through the proposed control scheme.

Suggested Citation

  • Seyyed Yousef Mousazadeh Mousavi & Alireza Jalilian & Mehdi Savaghebi & Josep M. Guerrero, 2017. "Flexible Compensation of Voltage and Current Unbalance and Harmonics in Microgrids," Energies, MDPI, vol. 10(10), pages 1-19, October.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:10:p:1568-:d:114546
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    References listed on IDEAS

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    1. Yanxue Yu & Haoyu Li & Zhenwei Li & Zhou Zhao, 2017. "Modeling and Analysis of Resonance in LCL-Type Grid-Connected Inverters under Different Control Schemes," Energies, MDPI, vol. 10(1), pages 1-17, January.
    2. Iman Lorzadeh & Hossein Askarian Abyaneh & Mehdi Savaghebi & Alireza Bakhshai & Josep M. Guerrero, 2016. "Capacitor Current Feedback-Based Active Resonance Damping Strategies for Digitally-Controlled Inductive-Capacitive-Inductive-Filtered Grid-Connected Inverters," Energies, MDPI, vol. 9(8), pages 1-32, August.
    3. Maria-Isabel Milanes-Montero & Fermin Barrero-Gonzalez & Jaime Pando-Acedo & Eva Gonzalez-Romera & Enrique Romero-Cadaval & Antonio Moreno-Munoz, 2017. "Active, Reactive and Harmonic Control for Distributed Energy Micro-Storage Systems in Smart Communities Homes," Energies, MDPI, vol. 10(4), pages 1-11, April.
    4. Ioannis Bouloumpasis & Panagis Vovos & Konstantinos Georgakas & Nicholas A. Vovos, 2015. "Current Harmonics Compensation in Microgrids Exploiting the Power Electronics Interfaces of Renewable Energy Sources," Energies, MDPI, vol. 8(4), pages 1-17, March.
    5. Savaghebi, Mehdi & Vasquez, Juan C. & Jalilian, Alireza & Guerrero, Josep M. & Lee, Tzung-Lin, 2013. "Selective compensation of voltage harmonics in grid-connected microgrids," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 91(C), pages 211-228.
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    Cited by:

    1. Gerardo Humberto Valencia-Rivera & Ivan Amaya & Jorge M. Cruz-Duarte & José Carlos Ortíz-Bayliss & Juan Gabriel Avina-Cervantes, 2021. "Hybrid Controller Based on LQR Applied to Interleaved Boost Converter and Microgrids under Power Quality Events," Energies, MDPI, vol. 14(21), pages 1-31, October.
    2. Katja Sirviö & Kimmo Kauhaniemi & Aushiq Ali Memon & Hannu Laaksonen & Lauri Kumpulainen, 2020. "Functional Analysis of the Microgrid Concept Applied to Case Studies of the Sundom Smart Grid," Energies, MDPI, vol. 13(16), pages 1-31, August.
    3. Gerardo Humberto Valencia-Rivera & Luis Ramon Merchan-Villalba & Guillermo Tapia-Tinoco & Jose Merced Lozano-Garcia & Mario Alberto Ibarra-Manzano & Juan Gabriel Avina-Cervantes, 2020. "Hybrid LQR-PI Control for Microgrids under Unbalanced Linear and Nonlinear Loads," Mathematics, MDPI, vol. 8(7), pages 1-25, July.
    4. Nur Najihah Abu Bakar & Josep M. Guerrero & Juan C. Vasquez & Najmeh Bazmohammadi & Yun Yu & Abdullah Abusorrah & Yusuf A. Al-Turki, 2021. "A Review of the Conceptualization and Operational Management of Seaport Microgrids on the Shore and Seaside," Energies, MDPI, vol. 14(23), pages 1-31, November.
    5. Piyapath Siratarnsophon & Vinicius C. Cunha & Nicholas G. Barry & Surya Santoso, 2021. "Interphase Power Flow Control via Single-Phase Elements in Distribution Systems," Clean Technol., MDPI, vol. 3(1), pages 1-22, January.
    6. Luis Guasch-Pesquer & Sara García-Ríos & Adolfo Andres Jaramillo-Matta & Enric Vidal-Idiarte, 2022. "Improved Method for Determining Voltage Unbalance Factor Using Induction Motors," Energies, MDPI, vol. 15(23), pages 1-13, December.

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