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     Research Journal of Applied Sciences, Engineering and Technology

    Abstract
2014(Vol.7, Issue:17)
Article Information:

Matrix Converter Based Unified Power Quality Conditioner (MUPQC) for Power Quality Improvement in a Utility

G.L. Valsala and L. Padma Suresh
Corresponding Author:  G.L. Valsala 
Submitted: 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.

Key words:  Current harmonics, MATLAB/SIMULINK, matrix converter, non linear load, unified power quality conditioner, voltage sag/swell,
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Cite this Reference:
G.L. Valsala and L. Padma Suresh, . Matrix Converter Based Unified Power Quality Conditioner (MUPQC) for Power Quality Improvement in a Utility. Research Journal of Applied Sciences, Engineering and Technology, (17): 3471-3477.
ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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