Comparison Between Different Droop Based Control Techniques and a Virtual Control Oscillator

Authors

  • Carlos Gustavo Castelo Branco Electrical Engineering Department, Politechnic University of Catalonia
  • Jordi El Mariachet Carreno Electrical Engineering Department, Politechnic University of Catalonia
  • Mingshen Li Electrical Engineering Department, Politechnic University of Catalonia
  • Francisco Kleber de Araújo Lima Electrical Engineering Department, Federal University of Ceara
  • José Matas Electrical Engineering Department, Politechnic University of Catalonia
  • Josep Maria Guerrero Energy Teknik Department, Aalborg University

DOI:

https://doi.org/10.53375/ijecer.2023.331

Keywords:

Microgrids, Droop Control, Paralleled Inverters, Virtual Oscillating Control, Virtual Impedance

Abstract

This work presents a literature review about control techniques for parallel connected power inverters under microgrid applications. Some control strategies, based on droop control for parallel inverters of distributed generation units in an ac distribution system will be presented in this work. Finally, an important method called Virtual Oscillating Control (VOC) is suggested for connecting voltage source inverters. Inverters are able to work in parallel with a constant-voltage constant frequency system, as well as with other inverters and also in standalone operation. The different power sources can share the load also under unbalanced conditions. Throughout this work several simulation results are presented in order to demonstrate the behaviour the behavior of the different control strategies tested.

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Published

15.03.2023

How to Cite

Castelo Branco, C. G., Carreno, J. E. M., Li, M., Lima, F. K. de A., Matas, J., & Guerrero, J. M. (2023). Comparison Between Different Droop Based Control Techniques and a Virtual Control Oscillator. International Journal of Electrical and Computer Engineering Research, 3(1), 30–35. https://doi.org/10.53375/ijecer.2023.331