Voltage stability assessment for distrbuted generation in islanded microgrid system

The increasing energy demands are stressing the generation and transmission capabilities of the power system. Distributed generation (DG), which generally located in distribution systems, has the ability to meet some of the growing energy demands. However, unplanned application of individual dist...

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Main Author:	Hendi Gareh, Saleh Ali Ahmed
Format:	Thesis
Language:	English English English
Published:	2012
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.uthm.edu.my/2375/1/24p%20SALEH%20ALI%20AHMED%20HENDI%20GAREH.pdf http://eprints.uthm.edu.my/2375/2/SALEH%20ALI%20AHMED%20HENDI%20GAREH%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/2375/3/SALEH%20ALI%20AHMED%20HENDI%20GAREH%20WATERMARK.pdf
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id	my-uthm-ep.2375
record_format	uketd_dc
spelling	my-uthm-ep.23752021-10-31T07:49:32Z Voltage stability assessment for distrbuted generation in islanded microgrid system 2012-07 Hendi Gareh, Saleh Ali Ahmed TK Electrical engineering. Electronics Nuclear engineering TK1001-1841 Production of electric energy or power. Powerplants. Central stations The increasing energy demands are stressing the generation and transmission capabilities of the power system. Distributed generation (DG), which generally located in distribution systems, has the ability to meet some of the growing energy demands. However, unplanned application of individual distributed generators might cause other technical problems. The microgrid concept has the potential to solve major problems arising from large penetration of DG in distribution systems. A microgrid is not a forceful system when it is compared to a power system. This project proposes a simulation approach to study voltage stability index (VSI) and voltage stability analysis in microgrid system for the improvement of the dynamic voltage stability in a microgrid in case of the dynamic voltage insufficiency. A model of IEEE-14 Bus System has been presented as a case study of an islanded microgird system. This project also presented line voltage stability index analysis which accurately performs voltage stability analysis at each transmission line and precisely predicts voltage collapse on power systems. A formula to calculate VSI has been derived and applied on two cases on the system. To show the effectiveness of the proposed voltage stability analysis method, this approach is implemented in a microgrid test system (14-bus, 20 lines) in PSAT which is a MATLAB toolbox environment. The test system has four diesel DGs and a wind turbine connected with eleven constant loads. The dynamic simulation of the test system is carried out for various types of disturbances. Islanded mode of operation is considered in this study. Fast Voltage Stability Index (FVSI) and voltage stability analysis have been successfully implemented and analysed. 2012-07 Thesis http://eprints.uthm.edu.my/2375/ http://eprints.uthm.edu.my/2375/1/24p%20SALEH%20ALI%20AHMED%20HENDI%20GAREH.pdf text en public http://eprints.uthm.edu.my/2375/2/SALEH%20ALI%20AHMED%20HENDI%20GAREH%20COPYRIGHT%20DECLARATION.pdf text en staffonly http://eprints.uthm.edu.my/2375/3/SALEH%20ALI%20AHMED%20HENDI%20GAREH%20WATERMARK.pdf text en validuser mphil masters Universiti Tun Hussein Malaysia Fakulti Kejuruteraan Elektrik dan Elektronik
institution	Universiti Tun Hussein Onn Malaysia
collection	UTHM Institutional Repository
language	English English English
topic	TK Electrical engineering Electronics Nuclear engineering TK Electrical engineering Electronics Nuclear engineering
spellingShingle	TK Electrical engineering Electronics Nuclear engineering TK Electrical engineering Electronics Nuclear engineering Hendi Gareh, Saleh Ali Ahmed Voltage stability assessment for distrbuted generation in islanded microgrid system
description	The increasing energy demands are stressing the generation and transmission capabilities of the power system. Distributed generation (DG), which generally located in distribution systems, has the ability to meet some of the growing energy demands. However, unplanned application of individual distributed generators might cause other technical problems. The microgrid concept has the potential to solve major problems arising from large penetration of DG in distribution systems. A microgrid is not a forceful system when it is compared to a power system. This project proposes a simulation approach to study voltage stability index (VSI) and voltage stability analysis in microgrid system for the improvement of the dynamic voltage stability in a microgrid in case of the dynamic voltage insufficiency. A model of IEEE-14 Bus System has been presented as a case study of an islanded microgird system. This project also presented line voltage stability index analysis which accurately performs voltage stability analysis at each transmission line and precisely predicts voltage collapse on power systems. A formula to calculate VSI has been derived and applied on two cases on the system. To show the effectiveness of the proposed voltage stability analysis method, this approach is implemented in a microgrid test system (14-bus, 20 lines) in PSAT which is a MATLAB toolbox environment. The test system has four diesel DGs and a wind turbine connected with eleven constant loads. The dynamic simulation of the test system is carried out for various types of disturbances. Islanded mode of operation is considered in this study. Fast Voltage Stability Index (FVSI) and voltage stability analysis have been successfully implemented and analysed.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Hendi Gareh, Saleh Ali Ahmed
author_facet	Hendi Gareh, Saleh Ali Ahmed
author_sort	Hendi Gareh, Saleh Ali Ahmed
title	Voltage stability assessment for distrbuted generation in islanded microgrid system
title_short	Voltage stability assessment for distrbuted generation in islanded microgrid system
title_full	Voltage stability assessment for distrbuted generation in islanded microgrid system
title_fullStr	Voltage stability assessment for distrbuted generation in islanded microgrid system
title_full_unstemmed	Voltage stability assessment for distrbuted generation in islanded microgrid system
title_sort	voltage stability assessment for distrbuted generation in islanded microgrid system
granting_institution	Universiti Tun Hussein Malaysia
granting_department	Fakulti Kejuruteraan Elektrik dan Elektronik
publishDate	2012
url	http://eprints.uthm.edu.my/2375/1/24p%20SALEH%20ALI%20AHMED%20HENDI%20GAREH.pdf http://eprints.uthm.edu.my/2375/2/SALEH%20ALI%20AHMED%20HENDI%20GAREH%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/2375/3/SALEH%20ALI%20AHMED%20HENDI%20GAREH%20WATERMARK.pdf
_version_	1747830946579611648

Voltage stability assessment for distrbuted generation in islanded microgrid system

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