Research Article | OPEN ACCESS
Matrix Converter Based Unified Power Quality Conditioner (MUPQC) for Power Quality Improvement in a Utility
G.L. Valsala and L. Padma Suresh
Noorul Islam University, Tamilnadu, India
Research Journal of Applied Sciences, Engineering and Technology 2014 17:3471-3477
Received: October 11, 2013 | Accepted: November 16, 2013 | Published: May 05, 2014
Abstract
This study proposes a new approach of unified power quality conditioner which is made up of a matrix converter without energy storage devices to mitigate the current harmonics, voltage sags and swell. By connecting the matrix converter output terminals to the load side through series transformer and the input side of matrix converter is connected to the supply side with step up transformer. So a matrix converter injects the compensation voltage on the load-side, so it is possible to mitigate the voltage sag/swell problems, resulting in an efficient solution for mitigating voltage and current related power quality problems. Thus, the proposed topology can mitigate the voltage fluctuations and current harmonics without energy storage elements and the total harmonic distortion produced by the system also very low. It also reduced volume and cost, reduced capacitor power losses, together with higher reliability. The Space-Vector Modulation (SVM) is used to control the matrix converter. MATLAB/SIMULINK based simulation results are presented to validate the approach.
Keywords:
Current harmonics, MATLAB/SIMULINK, matrix converter, non linear load, unified power quality conditioner, voltage sag/swell,
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PMCid:PMC3228278
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Competing interests
The authors have no competing interests.
Open Access Policy
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Copyright
The authors have no competing interests.
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