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Hysteresis Current Control Technique of VSI for Compensation of Grid-Connected Unbalanced Loads

Pouresmaeil, Edris and Akorede, Mudathir Funsho and Montesinos-Miracle, Daniel and Gomis-Bellmunt, Oriol and Trujillo Caballero, Juan Carlos (2014) Hysteresis Current Control Technique of VSI for Compensation of Grid-Connected Unbalanced Loads. Electrical Engineering, 96 (1). pp. 27-35. ISSN 0948-7921

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The global trends nowadays in the power generation industry are to supplement the electricity production using distributed generation (DG) technologies based on renewable energy resources such as photovoltaic, wind power, etc. However, failure to properly control the operation of distributed energy resources as they connect to the exiting power grid could provoke many power quality problems on the grid side. For this reason, due considerations must be given to power generation and safe running before DG units is actually integrated into the power grid. The main aim of this paper is to address the grid interconnection issues that usually arise as DG units connect to the electric grid. The proposed strategy, implemented in Matlab/Simulink environment in different operating scenarios, provides compensation for active, reactive, unbalanced, and harmonic current components of grid-connected nonlinear unbalanced loads. The simulation results obtained in this study demonstrate the level of accuracy of the proposed technique, which ensure a balance in the overall grid phase currents, injection of maximum available power from DG resources to the grid, improvement of the utility grid power factor, and a reduction in the total harmonic distortion of grid currents.

Item Type: Article
Additional Information: Indexes in Scopus. IF: 0.303
Uncontrolled Keywords: Distributed generation (DG); Renewable energy resource; Unbalanced load; Total harmonic distortation (THD); Reactive power compesation
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division: Faculty of Electrical & Electronic Engineering
Depositing User: mira
Date Deposited: 23 Apr 2014 01:26
Last Modified: 03 Mar 2015 09:24
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