Current Harmonics Compensation in Microgrids Exploiting the Power Electronics Interfaces of Renewable Energy Sources

Ioannis Bouloumpasis, Panagis Vovos, Konstantinos Georgakas and Nicholas A. Vovos
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Ioannis Bouloumpasis: Department of Electrical and Computer Engineering, Power Systems Laboratory, University of Patras, Panepistimioupoli, Patras, Rio GR26500, Greece
Panagis Vovos: Department of Electrical and Computer Engineering, Power Systems Laboratory, University of Patras, Panepistimioupoli, Patras, Rio GR26500, Greece
Konstantinos Georgakas: Department of Electrical and Computer Engineering, Power Systems Laboratory, University of Patras, Panepistimioupoli, Patras, Rio GR26500, Greece
Nicholas A. Vovos: Department of Electrical and Computer Engineering, Power Systems Laboratory, University of Patras, Panepistimioupoli, Patras, Rio GR26500, Greece

Energies, 2015, vol. 8, issue 4, 1-17

Abstract: This work presents a method of current harmonic reduction in a distorted distribution system. In order to evaluate the proposed method a grid with high-order current harmonics is assumed. The reduction of current distortion is feasible due to the pulse modulation of an active filter, which consists of a buck-boost converter connected back-to-back to a polarity swapping inverter. For a practical application, this system would be the power electronic interface of a Renewable Energy Source (RES) and therefore it changes a source of harmonics to a damping harmonics system. Using the proposed method, the current Total Harmonic Distortion (THD) of the grid is reduced below the acceptable limits and thus the general power quality of the system is improved. Simulations in the MATLAB/SIMULINK platform and experiments have been performed in order to verify the effectiveness of the proposed method.

Keywords: current harmonic reduction; active filter; power quality; buck-boost converter; renewable energy source (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2015
References: View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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