Impact of Dynamic Voltage Restorer (DVR) on Reliability Improvement of Distribution System Sensitive Loads
Publish place: 22nd International Power System Conference
Publish Year: 1386
Type: Conference paper
Language: English
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Document National Code:
PSC22_141
Index date: 5 May 2007
Impact of Dynamic Voltage Restorer (DVR) on Reliability Improvement of Distribution System Sensitive Loads abstract
Voltage sag is one of the most important power quality problems which occurs frequently in distribution systems and cause production loss in voltage sensitive customers. Due to voltage sags the reliability of distribution system decrease severely from the view point of these customers. Custom power devices are the most famous compensators in distribution systems. Among these devices Dynamic Voltage Restorer (DVR) is known as a cost /effective voltage sag compensator. This paper at first presents reliability evaluation of Dynamic Voltage Restorer using Markov model of it’s components, then this evaluation is extended for m-module DVR. Improvement of load point reliability indices, is analyzed in two industrial sensitive loads, using multi module DVR. Finally the interruption cost of a voltage sensitive customer is analyzed with respect to number of DVR’s modules in Brazilian distribution system.
Impact of Dynamic Voltage Restorer (DVR) on Reliability Improvement of Distribution System Sensitive Loads Keywords:
Impact of Dynamic Voltage Restorer (DVR) on Reliability Improvement of Distribution System Sensitive Loads authors
Abdollahzadeh
Electrical Eng Dept., Faculty of Eng., Islamic Azad University Science & Research Branch, Iran
Tavighi
Electrical Eng Dept., Faculty of Eng., Tehran University, Iran
Rezakhah
Electrical Eng Dept., Faculty of Eng., Islamic Azad University Science & Research Branch, Iran
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