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Low Cost Embedded System for Voltage Sag Analysis

by Aswathy M, R. Jayabarathi
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 98 - Number 14
Year of Publication: 2014
Authors: Aswathy M, R. Jayabarathi
10.5120/17250-7590

Aswathy M, R. Jayabarathi . Low Cost Embedded System for Voltage Sag Analysis. International Journal of Computer Applications. 98, 14 ( July 2014), 10-15. DOI=10.5120/17250-7590

@article{ 10.5120/17250-7590,
author = { Aswathy M, R. Jayabarathi },
title = { Low Cost Embedded System for Voltage Sag Analysis },
journal = { International Journal of Computer Applications },
issue_date = { July 2014 },
volume = { 98 },
number = { 14 },
month = { July },
year = { 2014 },
issn = { 0975-8887 },
pages = { 10-15 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume98/number14/17250-7590/ },
doi = { 10.5120/17250-7590 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T22:26:11.634258+05:30
%A Aswathy M
%A R. Jayabarathi
%T Low Cost Embedded System for Voltage Sag Analysis
%J International Journal of Computer Applications
%@ 0975-8887
%V 98
%N 14
%P 10-15
%D 2014
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper describes the development of low cost embedded system for detecting and analysing the voltage sags in the ac supply. The proposed system have the capabilities of real time acquisition of voltage signal using an Embedded Controller and display its parameters in a Graphical User Interface in the Central Server (PC). The features of the signal are extracted using Discrete Wavelet Transform with Multi Resolution Analysis. The voltage sags are created in an experimental setup using voltage injection method. The real time voltages are sensed by Hall Effect Transducer and digitalised by mbed microcontroller (LPC1768 ARM Cortex-M3). The real time samples are then serially transmitted to the Central Server. A standalone application is developed in Central Server using Visual C Sharp for real time visualisation, processing and analysis of the signal.

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Index Terms

Computer Science
Information Sciences

Keywords

Power Quality (PQ) Discrete Wavelet Transform (DWT) Multi Resolution Analysis (MRA) Graphical User Interface (GUI) rms (root mean square).

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