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ELECTRICAL OVERCURRENT PROTECTION GRADING IN V4D

Selective Coordination contributes to the localization of an overcurrent condition to restrict outages to the circuit or equipment affected, accomplished by the choice of overcurrent protective devices and their ratings and settings. Selective Coordination is critical for the reliability of electric...

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Main Author: Engonga Ela Akaba, Miguel Angel
Format: Final Year Project
Language:English
Published: IRC 2015
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://utpedia.utp.edu.my/16623/1/Miguel%20Angel%20Engonga_2.pdf
http://utpedia.utp.edu.my/16623/
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spelling my-utp-utpedia.166232017-01-25T09:34:49Z http://utpedia.utp.edu.my/16623/ ELECTRICAL OVERCURRENT PROTECTION GRADING IN V4D Engonga Ela Akaba, Miguel Angel TK Electrical engineering. Electronics Nuclear engineering Selective Coordination contributes to the localization of an overcurrent condition to restrict outages to the circuit or equipment affected, accomplished by the choice of overcurrent protective devices and their ratings and settings. Selective Coordination is critical for the reliability of electrical distribution system and must be analyzed and test regularly. A properly engineered and installed system will allow only the nearest upstream overcurrent protective device to open for both overload and all types of short-circuits, leaving the remainder of the systems undisturbed and preserving continuity of service. The aim of this study is to perform a Coordination and Overload study for the electrical installation in Village-4D T1, in order to know the root causes of the continuous tripping of its main Circuit Breaker which results in frequent power outage in the area. The revision of past researches was the first step taken toward understanding the concept involving protections; followed by a series of site inspections which helped gather the relevant data needed for the study such as the types of protective devices and their arrangement as well as the ratings. The methodology required a sensitivity analysis of the CBs in the area of study and Overload study in which fault levels were simulated using Simulink/MATLAB. The preliminary results of the study based on CBs level of sensitivity showed that V4D protective devices level of sensitivity is medium, therefore less prone to nuisance tripping outside the nominal tripping current. Thus sensitivity is not the factor causing the breaker to trip. However the results from the overload study show that the increasing number of overheating appliances used by students causes the circuit to overload, thus tripping the main breaker. IRC 2015-12 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/16623/1/Miguel%20Angel%20Engonga_2.pdf Engonga Ela Akaba, Miguel Angel (2015) ELECTRICAL OVERCURRENT PROTECTION GRADING IN V4D. IRC, Universiti Teknologi PETRONAS. (Submitted)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Engonga Ela Akaba, Miguel Angel
ELECTRICAL OVERCURRENT PROTECTION GRADING IN V4D
description Selective Coordination contributes to the localization of an overcurrent condition to restrict outages to the circuit or equipment affected, accomplished by the choice of overcurrent protective devices and their ratings and settings. Selective Coordination is critical for the reliability of electrical distribution system and must be analyzed and test regularly. A properly engineered and installed system will allow only the nearest upstream overcurrent protective device to open for both overload and all types of short-circuits, leaving the remainder of the systems undisturbed and preserving continuity of service. The aim of this study is to perform a Coordination and Overload study for the electrical installation in Village-4D T1, in order to know the root causes of the continuous tripping of its main Circuit Breaker which results in frequent power outage in the area. The revision of past researches was the first step taken toward understanding the concept involving protections; followed by a series of site inspections which helped gather the relevant data needed for the study such as the types of protective devices and their arrangement as well as the ratings. The methodology required a sensitivity analysis of the CBs in the area of study and Overload study in which fault levels were simulated using Simulink/MATLAB. The preliminary results of the study based on CBs level of sensitivity showed that V4D protective devices level of sensitivity is medium, therefore less prone to nuisance tripping outside the nominal tripping current. Thus sensitivity is not the factor causing the breaker to trip. However the results from the overload study show that the increasing number of overheating appliances used by students causes the circuit to overload, thus tripping the main breaker.
format Final Year Project
author Engonga Ela Akaba, Miguel Angel
author_facet Engonga Ela Akaba, Miguel Angel
author_sort Engonga Ela Akaba, Miguel Angel
title ELECTRICAL OVERCURRENT PROTECTION GRADING IN V4D
title_short ELECTRICAL OVERCURRENT PROTECTION GRADING IN V4D
title_full ELECTRICAL OVERCURRENT PROTECTION GRADING IN V4D
title_fullStr ELECTRICAL OVERCURRENT PROTECTION GRADING IN V4D
title_full_unstemmed ELECTRICAL OVERCURRENT PROTECTION GRADING IN V4D
title_sort electrical overcurrent protection grading in v4d
publisher IRC
publishDate 2015
url http://utpedia.utp.edu.my/16623/1/Miguel%20Angel%20Engonga_2.pdf
http://utpedia.utp.edu.my/16623/
_version_ 1739832283550973952
score 13.223943

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