Cover Image

Development of early warning voltage and frequency fluctuation system

A microcontroller PIC 16F877 – based monitoring circuit was designed, simulated and implemented. The circuit has been intended to monitor main power supply and gives a warning to protect electronic devices against voltage and frequency fluctuations. The circuit was designed to continuously monitor a...

Full description

Saved in:
Bibliographic Details
Main Author: Israa Amer Dahham
Other Authors: Dr. Abadal - Salam Taha Hussain
Format: Thesis
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2019
Subjects:
Microcontrollers
Fluctuations
Warning system > Electricity
Power supply
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/61625
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.unimap-61625
record_format dspace
spelling my.unimap-616252019-09-03T09:49:20Z Development of early warning voltage and frequency fluctuation system Israa Amer Dahham Dr. Abadal - Salam Taha Hussain Microcontrollers Fluctuations Warning system -- Electricity Power supply A microcontroller PIC 16F877 – based monitoring circuit was designed, simulated and implemented. The circuit has been intended to monitor main power supply and gives a warning to protect electronic devices against voltage and frequency fluctuations. The circuit was designed to continuously monitor a main power supply and ensure that the main voltage and frequency are within required voltage range (RVR) and required frequency range (RFR). The circuit gives two types of warning buzzer and red light if the voltage and/or the frequency fall below or above the RVR and the RFR respectively. Moreover, the circuit through a relay will disconnect the main power supply if either or both voltage and frequency drop below or above RVR and RFR. Also, the circuit will reconnect the main power supply if both voltage and frequency fall back stable in the RVR and RFR. The software (Proteus) was used to simulate the circuit. The design was implemented successfully. The circuit enables real-time monitoring of stability boundaries and the corresponding margin to the observed operating point, which is used to provide a monitoring for emerging stability problems. This study was extended to introduce the fuzzy logic technique to evaluate Sag and Swell phenomena that usually precede power supply system fluctuations and malfunctions. MATLAB simulation tool was used for the present investigations of sag and swell phenomena. 2019-09-03T09:49:20Z 2019-09-03T09:49:20Z 2015 Thesis http://dspace.unimap.edu.my:80/xmlui/handle/123456789/61625 en Universiti Malaysia Perlis (UniMAP) School of Electrical Systems Engineering
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Microcontrollers
Fluctuations
Warning system -- Electricity
Power supply
spellingShingle Microcontrollers
Fluctuations
Warning system -- Electricity
Power supply
Israa Amer Dahham
Development of early warning voltage and frequency fluctuation system
description A microcontroller PIC 16F877 – based monitoring circuit was designed, simulated and implemented. The circuit has been intended to monitor main power supply and gives a warning to protect electronic devices against voltage and frequency fluctuations. The circuit was designed to continuously monitor a main power supply and ensure that the main voltage and frequency are within required voltage range (RVR) and required frequency range (RFR). The circuit gives two types of warning buzzer and red light if the voltage and/or the frequency fall below or above the RVR and the RFR respectively. Moreover, the circuit through a relay will disconnect the main power supply if either or both voltage and frequency drop below or above RVR and RFR. Also, the circuit will reconnect the main power supply if both voltage and frequency fall back stable in the RVR and RFR. The software (Proteus) was used to simulate the circuit. The design was implemented successfully. The circuit enables real-time monitoring of stability boundaries and the corresponding margin to the observed operating point, which is used to provide a monitoring for emerging stability problems. This study was extended to introduce the fuzzy logic technique to evaluate Sag and Swell phenomena that usually precede power supply system fluctuations and malfunctions. MATLAB simulation tool was used for the present investigations of sag and swell phenomena.
author2 Dr. Abadal - Salam Taha Hussain
author_facet Dr. Abadal - Salam Taha Hussain
Israa Amer Dahham
format Thesis
author Israa Amer Dahham
author_sort Israa Amer Dahham
title Development of early warning voltage and frequency fluctuation system
title_short Development of early warning voltage and frequency fluctuation system
title_full Development of early warning voltage and frequency fluctuation system
title_fullStr Development of early warning voltage and frequency fluctuation system
title_full_unstemmed Development of early warning voltage and frequency fluctuation system
title_sort development of early warning voltage and frequency fluctuation system
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2019
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/61625
_version_ 1651868565600468992
score 13.222552

Similar Items