Voltage harmonic distortion compensation with non-linear load power sharing in low-voltage islanded microgrid

Hassan Moussa, Jean-Philippe Martin, Serge Pierfederici, Farid Meibody-Tabar and Nazih Moubayed

Mathematics and Computers in Simulation (MATCOM), 2019, vol. 158, issue C, 32-48

Abstract: Microgrids are designed to operate at a fundamental frequency (50 or 60 Hz). However, certain types of loads generate voltage and/or current harmonics that increase power system heat losses. These harmonic losses reduce system efficiency, cause apparatus overheating and increase power costs. Besides that, the Distributed Generation (DG) is expected to play an important role in future power systems, since it is able to reduce losses, improve power quality to end users. In this paper we propose new harmonic droop controller to compensate the harmonic currents produced by each DG to feed the nonlinear loads. Furthermore, the proposed controller is able to damp the total harmonic distortion of the voltage at the common connection point (PCC). Modeling and simulations incorporate to define the best control parameters for a proper operation. Experimental results are given to show the efficiency of the proposed algorithm.

Keywords: Droop control; Power sharing; Islanded microgrid; Harmonic compensation; Nonlinear load (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:158:y:2019:i:c:p:32-48

DOI: 10.1016/j.matcom.2018.05.007

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