Design And Simulation Of Static Var Compensator For Voltage Sags Mitigation

Modem power networks are loaded more heavily than ever before to fully utilize the existing transmission facilities while power quality has become an important issue in power system, this is due to the fact that the usage of power electronic equipment and electronic-based loads, which are sensiti...

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Main Author:	Md yusof, Arshad
Format:	Thesis
Language:	English English
Published:	2002
Subjects:	Static relays Voltage regulators
Online Access:	http://psasir.upm.edu.my/id/eprint/12134/1/FK_2002_86_A.pdf
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id	my-upm-ir.12134
record_format	uketd_dc
spelling	my-upm-ir.121342011-07-15T08:29:56Z Design And Simulation Of Static Var Compensator For Voltage Sags Mitigation 2002-10 Md yusof, Arshad Modem power networks are loaded more heavily than ever before to fully utilize the existing transmission facilities while power quality has become an important issue in power system, this is due to the fact that the usage of power electronic equipment and electronic-based loads, which are sensitive to power quality has increased, and thus normal operations in industrial and commercial environments are becoming more vulnerable to power quality problems. One of the problems associated with power quality is voltage sag. Voltage sag is a major power quality problem. It occurs because most voltage sags are due to short circuit on transmission and distribution lines. High technology industries are highly sensitive to voltage sags. A small voltage sag for several cycle, (short duration) is sufficient to interrupt the operation of the facility resulting in costly downtime.Traditional voltage regulating devices such as electromechanical transformer taps and shunt capacitor have been used extensively at the transmission and distribution. However, they are too slow to response to correct voltage sags. This problem can be overcome by replacing them with power-electronics based devices known as Flexible Alternating Currents Transmission System (FACTS). FACTS devices can provide a real-time control of transmission line impedance, voltage magnitude and phase angle. With advancement of high power electronics, fast response of FACTS device is now available. Through proper coordination, they can be utilized to control system power flow, increase power transfer capabilities, improve system transient stability, and damp power system oscillations. Static Var Compensator, SVC is a shunt connected FACTS device having capability of supplying reactive power and thus could protect the system from the potential threats of voltage sags. The objective of this research is to investigate and design SVC for voltage sags mitigation on a small test power system. This work has indicated SVC has the potential to mitigate voltage sag if properly designed and located. Static relays Voltage regulators 2002-10 Thesis http://psasir.upm.edu.my/id/eprint/12134/ http://psasir.upm.edu.my/id/eprint/12134/1/FK_2002_86_A.pdf application/pdf en public masters Universiti Putra Malaysia Static relays Voltage regulators Faculty of Engineering English
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English English
topic	Static relays Voltage regulators
spellingShingle	Static relays Voltage regulators Md yusof, Arshad Design And Simulation Of Static Var Compensator For Voltage Sags Mitigation
description	Modem power networks are loaded more heavily than ever before to fully utilize the existing transmission facilities while power quality has become an important issue in power system, this is due to the fact that the usage of power electronic equipment and electronic-based loads, which are sensitive to power quality has increased, and thus normal operations in industrial and commercial environments are becoming more vulnerable to power quality problems. One of the problems associated with power quality is voltage sag. Voltage sag is a major power quality problem. It occurs because most voltage sags are due to short circuit on transmission and distribution lines. High technology industries are highly sensitive to voltage sags. A small voltage sag for several cycle, (short duration) is sufficient to interrupt the operation of the facility resulting in costly downtime.Traditional voltage regulating devices such as electromechanical transformer taps and shunt capacitor have been used extensively at the transmission and distribution. However, they are too slow to response to correct voltage sags. This problem can be overcome by replacing them with power-electronics based devices known as Flexible Alternating Currents Transmission System (FACTS). FACTS devices can provide a real-time control of transmission line impedance, voltage magnitude and phase angle. With advancement of high power electronics, fast response of FACTS device is now available. Through proper coordination, they can be utilized to control system power flow, increase power transfer capabilities, improve system transient stability, and damp power system oscillations. Static Var Compensator, SVC is a shunt connected FACTS device having capability of supplying reactive power and thus could protect the system from the potential threats of voltage sags. The objective of this research is to investigate and design SVC for voltage sags mitigation on a small test power system. This work has indicated SVC has the potential to mitigate voltage sag if properly designed and located.
format	Thesis
qualification_level	Master's degree
author	Md yusof, Arshad
author_facet	Md yusof, Arshad
author_sort	Md yusof, Arshad
title	Design And Simulation Of Static Var Compensator For Voltage Sags Mitigation
title_short	Design And Simulation Of Static Var Compensator For Voltage Sags Mitigation
title_full	Design And Simulation Of Static Var Compensator For Voltage Sags Mitigation
title_fullStr	Design And Simulation Of Static Var Compensator For Voltage Sags Mitigation
title_full_unstemmed	Design And Simulation Of Static Var Compensator For Voltage Sags Mitigation
title_sort	design and simulation of static var compensator for voltage sags mitigation
granting_institution	Universiti Putra Malaysia
granting_department	Faculty of Engineering
publishDate	2002
url	http://psasir.upm.edu.my/id/eprint/12134/1/FK_2002_86_A.pdf
_version_	1747811311576678400

Design And Simulation Of Static Var Compensator For Voltage Sags Mitigation

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