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Selective compensation of voltage harmonics in grid-connected microgrids

Author

Listed:
  • Savaghebi, Mehdi
  • Vasquez, Juan C.
  • Jalilian, Alireza
  • Guerrero, Josep M.
  • Lee, Tzung-Lin

Abstract

In this paper, a novel approach is proposed for selective compensation of main voltage harmonics in a grid-connected microgrid. The aim of compensation is to provide a high voltage quality at the point of common coupling (PCC). PCC voltage quality is of great importance due to sensitive loads that may be connected. It is assumed that the voltage harmonics are originated from distortion in grid voltage as well as the harmonic current of the nonlinear loads. Harmonic compensation is achieved through proper control of distributed generators (DGs) interface converters. The compensation effort of each harmonic is shared considering the respective current harmonic supplied by the DGs. The control system of each DG comprises harmonic compensator, fundamental power controllers, voltage and current proportional-resonant controller and virtual impedance loop. Virtual impedance is considered at fundamental frequency to enhance power control and also at harmonic frequencies to improve the nonlinear load sharing among DGs. The control system design is discussed in detail. The presented simulation results demonstrate the effectiveness of the proposed method in compensation of the voltage harmonics to an acceptable level.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:matcom:v:91:y:2013:i:c:p:211-228
    DOI: 10.1016/j.matcom.2012.05.015
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    Citations

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    Cited by:

    1. Morteza Afrasiabi & Esmaeel Rokrok, 2018. "An Improved Centralized Control Structure for Compensation of Voltage Distortions in Inverter-Based Microgrids," Energies, MDPI, vol. 11(7), pages 1-13, July.
    2. Mahdavi, Sadegh & Bayat, Alireza & Mirzaei, Farzad, 2019. "Economic Operation of Grid-Connected Microgrid By Multiverse Optimization Algorithm," MPRA Paper 95893, University Library of Munich, Germany.
    3. Rasool M. Imran & Shaorong Wang, 2018. "Enhanced Two-Stage Hierarchical Control for a Dual Mode WECS-Based Microgrid," Energies, MDPI, vol. 11(5), pages 1-19, May.
    4. Jamaledini, Ashkan & Khazaei, Ehsan & Bitaraf, Mohammd, 2019. "Solving the Grid-Connected Microgrid Operation by JAYA Algorithm," MPRA Paper 94277, University Library of Munich, Germany.
    5. Rekik, Mouna & Abdelkafi, Achraf & Krichen, Lotfi, 2015. "A micro-grid ensuring multi-objective control strategy of a power electrical system for quality improvement," Energy, Elsevier, vol. 88(C), pages 351-363.
    6. Seruca, Manuel & Mota, Andrade & Rodrigues, David, 2019. "Solving the Economic Scheduling of Grid-Connected Microgrid Based on the Strength Pareto Approach," MPRA Paper 95391, University Library of Munich, Germany.
    7. 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.
    8. Jamaledini, Ashkan & Khazaei, Ehsan & Bitaraf, Mohammad, 2019. "Solving the Grid-Connected Microgrid Operation by Teaching Learning Based Optimization Algorithm," MPRA Paper 94276, University Library of Munich, Germany.
    9. Arahal, M.R. & Barrero, F. & Ortega, M.G. & Martin, C., 2016. "Harmonic analysis of direct digital control of voltage inverters," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 130(C), pages 155-166.

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