• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2015, Volume: 8, Issue: 35, Pages: 1-6

Original Article

The Role of Control Devices of Distribution Automation in the Intelligence of Power Network to Reduce Outages and Improve Reliability


Objectives: Distribution automation is a pre requisite for an intelligent power network. In this paper we investigate the effect of control devices in distribution automation system. Methods/Analysis: According to the importance of improving reliability of electric distribution system, reliability improving approaches by developing control devices in the network is investigated. Also, the effect of developing control devices located in electric distribution network on reliability of system in the form of numerical studies on a sample network in two equipped and non-equipped steps by load cut keys is presented. Findings: Comparing the results obtained from two investigated steps. Shows that equipping the investigated network with control devices has no effect on SAIFI index, but developing load cut keys leads to the improvement of SAIDI and CAIDI indices. Developing control devices such as load cut keys allows the isolation of error place and detection of tripped loads. Thus detectable subscribers of damaged feeder experience shorter turn out time, which finally leads to the improvement of reliability in distribution system. Thus, according to the reliability measurements, control devices development leads to the improvement of reliability in electric distribution system. Conclusion/Application: According to the obtained results in measurements of reliability, it is observed that developing control devices leads to improving reliability and decreasing outages in electric distribution system.
Keywords: Control Devices, Decreasing Outages Time, Electric Distribution Automation, Intelligent, Reliability


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