Voltage Quality Improvement in Islanded Microgrids Supplying Nonlinear Loads
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
PEDSTC03_065
تاریخ نمایه سازی: 25 شهریور 1392
Abstract:
The aim of this paper is to improve voltage quality at the terminals of distributed generators (DGs) in an islanded microgrid. To achieve this goal, it is proposed to include separate voltage and current control loops for the fundamental and harmonics frequencies. This way, it is not necessary to consider additional controllers to provide voltage harmoniccompensation. The proposed control system can be implemented in a very simple way. The control structure ofevery single DG unit consists of active and reactive power droop controllers and voltage and current control loops. Simulation results are provided in order to show the effectiveness of the proposed control approach.
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Authors
Mohammad T. Dehghani
Department of Power Engineering, Saveh Branch, Islamic Azad University, Saveh, Iran
Abolfazl Vahedi
Center of Excellence for Power System Automation and Operation, Iran University of Science and Technology, Iran
Mehdi Savaghebi
Department of Electronics Engineering, Karaj Branch, Islamic Azad University, Karaj, Iran
Josep M. Guerrero
Department of Automatic Control and Industrial Informatics, Technical University of Catalonia, Spain