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Reseach Article

A Fuzzy Logic based Dynamic Voltage Restorer for Voltage Sag and Swell Mitigation for Industrial Induction Motor Loads

by Md. Riyasat Azim, Md. Ashraful Hoque
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 30 - Number 8
Year of Publication: 2011
Authors: Md. Riyasat Azim, Md. Ashraful Hoque
10.5120/3672-5120

Md. Riyasat Azim, Md. Ashraful Hoque . A Fuzzy Logic based Dynamic Voltage Restorer for Voltage Sag and Swell Mitigation for Industrial Induction Motor Loads. International Journal of Computer Applications. 30, 8 ( September 2011), 9-18. DOI=10.5120/3672-5120

@article{ 10.5120/3672-5120,
author = { Md. Riyasat Azim, Md. Ashraful Hoque },
title = { A Fuzzy Logic based Dynamic Voltage Restorer for Voltage Sag and Swell Mitigation for Industrial Induction Motor Loads },
journal = { International Journal of Computer Applications },
issue_date = { September 2011 },
volume = { 30 },
number = { 8 },
month = { September },
year = { 2011 },
issn = { 0975-8887 },
pages = { 9-18 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume30/number8/3672-5120/ },
doi = { 10.5120/3672-5120 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:16:28.375034+05:30
%A Md. Riyasat Azim
%A Md. Ashraful Hoque
%T A Fuzzy Logic based Dynamic Voltage Restorer for Voltage Sag and Swell Mitigation for Industrial Induction Motor Loads
%J International Journal of Computer Applications
%@ 0975-8887
%V 30
%N 8
%P 9-18
%D 2011
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Power quality has been an issue that is becoming increasingly pivotal in industrial electricity consumers point of view in recent times. Modern industries employ Sensitive power electronic equipments, control devices and non-linear loads as part of automated processes to increase energy efficiency and productivity. Voltage disturbances are the most common power quality problem due to this increased use of a large numbers of sophisticated and sensitive electronic equipment in industrial systems. The Dynamic Voltage Restorer (DVR) has recently been introduced to protect the sensitive industrial loads from the detrimental effects of voltage sags/swells and other voltage disturbances. Configurations and control schemes for the DVR varies depending upon the nature and characteristics of the load to be protected. Industries with induction motors loads require a complete different approach for the design and control of a suitable DVR owing to the inherit inertia of the induction motors and their capability to withstand short-duration, shallow sags/swells, in addition to its tolerance to phase angle jumps. In this paper, a DVR with fast response, simple and efficient controller is proposed for fulfilling the voltage restoration requirements for industrial induction motor loads. The proposed DVR employs the classical Fourier Transform (FT) for sag/swell detection and quantification and a Fuzzy Logic based feedback controller which utilizes the error signal (difference between the reference voltage and actual measured load voltage) to control the triggering of the switches of an inverter using a Sinusoidal Pulse Width Modulation (SPWM) scheme. The proposed DVR utilizes the energy from available supply line feeders through a rectifier to feed the inverter. Modeling and simulation of the proposed DVR is implemented in MATLAB/SIMULINK platform. Simulation results have shown that the proposed DVR was efficient in mitigating balanced, unbalanced, multistage and consecutive sags, as well as swells.

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Index Terms

Computer Science
Information Sciences

Keywords

DVR Power Quality Voltage Sag Voltage Swell Fuzzy Logic Controller MATLAB/SIMULINK