Modelling and protection of a 14 bus power system using power factory DigSilent software

This dissertation presents a method for protection coordination of Midwest United States IEEE 14 bus system for distribution and transmission line in close operation mode. For validation, modeling and simulation grid have been done using Power Factory DigSILENT software. Historically Electric distri...

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Main Author:	Jalil, Hayder Malik
Format:	Thesis
Language:	English English
Published:	2017
Subjects:	T Technology (General)
Online Access:	http://eprints.utem.edu.my/id/eprint/20521/1/Modelling%20And%20Protection%20Of%20A%2014%20Bus%20Power%20System%20Using%20Power%20Factory%20DigSILENT%20Software.pdf http://eprints.utem.edu.my/id/eprint/20521/2/Modelling%20and%20protection%20of%20a%2014%20bus%20power%20system%20using%20power%20factory%20DigSilent%20software.pdf
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id	my-utem-ep.20521
record_format	uketd_dc
institution	Universiti Teknikal Malaysia Melaka
collection	UTeM Repository
language	English English
advisor	Sulaiman, Marizan
topic	T Technology (General) T Technology (General)
spellingShingle	T Technology (General) T Technology (General) Jalil, Hayder Malik Modelling and protection of a 14 bus power system using power factory DigSilent software
description	This dissertation presents a method for protection coordination of Midwest United States IEEE 14 bus system for distribution and transmission line in close operation mode. For validation, modeling and simulation grid have been done using Power Factory DigSILENT software. Historically Electric distribution power systems are designed as pure radial networks and protection system network using overcurrent relay which have gradually evolved into close loop or meshed networks meanwhile transmission system designed as a close or meshed system and protected by distance relay. Close loop and meshed networks are becoming more preferred options which offer greater improvement in power quality and system reliability. However Mal operation had been occur in coordination power system using directional overcurrent relay.as a result, this study present an improved method on coordination of close loop distribution system using General Coordination Close Loop method (GCCL) by directional over current relay. This is done through dividing the system to many paths and input the load and short circuit data of each path to MATLAB program code, producing relay coordination as the output. Then the result is then applied to DigSILENT modeling relays to simulate fault scenario to check tripping time in main and backup protection system. This study also involved on adding the synchronous condensers to the grid. The current injected by synchronous condenser may change the fault level both in magnitude and direction, which result in a loss of selectivity. The impact of synchronous condenser on short circuit levels and protection grading has been simulated and analyzed. Besides that, the simulation has been done to coordinate transmission line protection using distance relay. The results shows the effectiveness of source impedance and infeed of multi-transmission line on the second and third zone for distance relays in terms of tripping time. Also system behavior has been observed after implementing fault scenario scheme for the above mentioned contingencies events, and the result shows success in the coordination system protection within acceptable limits and regain of power system protection.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Jalil, Hayder Malik
author_facet	Jalil, Hayder Malik
author_sort	Jalil, Hayder Malik
title	Modelling and protection of a 14 bus power system using power factory DigSilent software
title_short	Modelling and protection of a 14 bus power system using power factory DigSilent software
title_full	Modelling and protection of a 14 bus power system using power factory DigSilent software
title_fullStr	Modelling and protection of a 14 bus power system using power factory DigSilent software
title_full_unstemmed	Modelling and protection of a 14 bus power system using power factory DigSilent software
title_sort	modelling and protection of a 14 bus power system using power factory digsilent software
granting_institution	Universiti Teknikal Malaysia Melaka
granting_department	Faculty Of Electrical Engineering
publishDate	2017
url	http://eprints.utem.edu.my/id/eprint/20521/1/Modelling%20And%20Protection%20Of%20A%2014%20Bus%20Power%20System%20Using%20Power%20Factory%20DigSILENT%20Software.pdf http://eprints.utem.edu.my/id/eprint/20521/2/Modelling%20and%20protection%20of%20a%2014%20bus%20power%20system%20using%20power%20factory%20DigSilent%20software.pdf
_version_	1747833973794406400
spelling	my-utem-ep.205212022-06-08T11:35:21Z Modelling and protection of a 14 bus power system using power factory DigSilent software 2017 Jalil, Hayder Malik T Technology (General) TK Electrical engineering. Electronics Nuclear engineering This dissertation presents a method for protection coordination of Midwest United States IEEE 14 bus system for distribution and transmission line in close operation mode. For validation, modeling and simulation grid have been done using Power Factory DigSILENT software. Historically Electric distribution power systems are designed as pure radial networks and protection system network using overcurrent relay which have gradually evolved into close loop or meshed networks meanwhile transmission system designed as a close or meshed system and protected by distance relay. Close loop and meshed networks are becoming more preferred options which offer greater improvement in power quality and system reliability. However Mal operation had been occur in coordination power system using directional overcurrent relay.as a result, this study present an improved method on coordination of close loop distribution system using General Coordination Close Loop method (GCCL) by directional over current relay. This is done through dividing the system to many paths and input the load and short circuit data of each path to MATLAB program code, producing relay coordination as the output. Then the result is then applied to DigSILENT modeling relays to simulate fault scenario to check tripping time in main and backup protection system. This study also involved on adding the synchronous condensers to the grid. The current injected by synchronous condenser may change the fault level both in magnitude and direction, which result in a loss of selectivity. The impact of synchronous condenser on short circuit levels and protection grading has been simulated and analyzed. Besides that, the simulation has been done to coordinate transmission line protection using distance relay. The results shows the effectiveness of source impedance and infeed of multi-transmission line on the second and third zone for distance relays in terms of tripping time. Also system behavior has been observed after implementing fault scenario scheme for the above mentioned contingencies events, and the result shows success in the coordination system protection within acceptable limits and regain of power system protection. 2017 Thesis http://eprints.utem.edu.my/id/eprint/20521/ http://eprints.utem.edu.my/id/eprint/20521/1/Modelling%20And%20Protection%20Of%20A%2014%20Bus%20Power%20System%20Using%20Power%20Factory%20DigSILENT%20Software.pdf text en public http://eprints.utem.edu.my/id/eprint/20521/2/Modelling%20and%20protection%20of%20a%2014%20bus%20power%20system%20using%20power%20factory%20DigSilent%20software.pdf text en validuser https://plh.utem.edu.my/cgi-bin/koha/opac-detail.pl?biblionumber=105973 mphil masters Universiti Teknikal Malaysia Melaka Faculty Of Electrical Engineering Sulaiman, Marizan 1. ABB Products, M.V., 2016. Technical guide Protection criteria for medium voltagenetworks. ABB S.p.A. Unità Operativa Sace-MV, p.52. 2. 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Modelling and protection of a 14 bus power system using power factory DigSilent software

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