A device for improving the voltage sag ride through capability of PCS

Voltage sags have emerged as one of the most serious power quality problem. Voltage sag disturbances which sometimes last less than a fraction of second, can cause sensitive equipment such as personal computers (PCs) to shut down and interrupt PC controlled systems and processes for considerable per...

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Main Authors: Shareef, Hussain, Mohamed, Azah, Mohamed, Khodija, Mustafa, Mohd. Wazir
Format: Book Section
Published: Penerbit UTM 2012
Subjects:
Online Access:http://eprints.utm.my/id/eprint/47735/
http://www.academia.edu/14323171/A_Device_for_Improving_the_Voltage_Sag_Ride_Through_Capability_of_PCs
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spelling my.utm.477352017-09-19T08:40:40Z http://eprints.utm.my/id/eprint/47735/ A device for improving the voltage sag ride through capability of PCS Shareef, Hussain Mohamed, Azah Mohamed, Khodija Mustafa, Mohd. Wazir QD Chemistry Voltage sags have emerged as one of the most serious power quality problem. Voltage sag disturbances which sometimes last less than a fraction of second, can cause sensitive equipment such as personal computers (PCs) to shut down and interrupt PC controlled systems and processes for considerable periods of time, which leads to loss of production and high costs. In order to overcome this problem, an electronic device to enhance the ride through capability of PCs during voltage sag is developed. The proposed device can be connected to the power supply unit of PC to add a new operational state to the PC's power supply, in which PC is supplied for one second by a capacitor bank in the events of voltage sags. It consists of sag detection circuit, control circuit, switching circuit and capacitor bank. The device is easy to use and can be built from cheap, commercially available components. Some of the salient features of the proposed device are that it does not require additional uninterruptible power supply for its operation, and it does not draw high levels of inrush currents from the mains. Furthermore, the proposed device can be adapted to other voltage sensitive devices such as lamps and ac contactors. Penerbit UTM 2012 Book Section PeerReviewed Shareef, Hussain and Mohamed, Azah and Mohamed, Khodija and Mustafa, Mohd. Wazir (2012) A device for improving the voltage sag ride through capability of PCS. In: Power Quality Standards and Regulations in Malaysia. Penerbit UTM, Skudai, Johor, pp. 199-210. ISBN 978-967-354-189-8 http://www.academia.edu/14323171/A_Device_for_Improving_the_Voltage_Sag_Ride_Through_Capability_of_PCs
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic QD Chemistry
spellingShingle QD Chemistry
Shareef, Hussain
Mohamed, Azah
Mohamed, Khodija
Mustafa, Mohd. Wazir
A device for improving the voltage sag ride through capability of PCS
description Voltage sags have emerged as one of the most serious power quality problem. Voltage sag disturbances which sometimes last less than a fraction of second, can cause sensitive equipment such as personal computers (PCs) to shut down and interrupt PC controlled systems and processes for considerable periods of time, which leads to loss of production and high costs. In order to overcome this problem, an electronic device to enhance the ride through capability of PCs during voltage sag is developed. The proposed device can be connected to the power supply unit of PC to add a new operational state to the PC's power supply, in which PC is supplied for one second by a capacitor bank in the events of voltage sags. It consists of sag detection circuit, control circuit, switching circuit and capacitor bank. The device is easy to use and can be built from cheap, commercially available components. Some of the salient features of the proposed device are that it does not require additional uninterruptible power supply for its operation, and it does not draw high levels of inrush currents from the mains. Furthermore, the proposed device can be adapted to other voltage sensitive devices such as lamps and ac contactors.
format Book Section
author Shareef, Hussain
Mohamed, Azah
Mohamed, Khodija
Mustafa, Mohd. Wazir
author_facet Shareef, Hussain
Mohamed, Azah
Mohamed, Khodija
Mustafa, Mohd. Wazir
author_sort Shareef, Hussain
title A device for improving the voltage sag ride through capability of PCS
title_short A device for improving the voltage sag ride through capability of PCS
title_full A device for improving the voltage sag ride through capability of PCS
title_fullStr A device for improving the voltage sag ride through capability of PCS
title_full_unstemmed A device for improving the voltage sag ride through capability of PCS
title_sort device for improving the voltage sag ride through capability of pcs
publisher Penerbit UTM
publishDate 2012
url http://eprints.utm.my/id/eprint/47735/
http://www.academia.edu/14323171/A_Device_for_Improving_the_Voltage_Sag_Ride_Through_Capability_of_PCs
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score 13.209306