NDLI: Availability of HV Circuit-Breakers: The Application of Markov Model

Content Provider	IEEE Xplore Digital Library
Author	Choonhapran, P. Balzer, G.
Copyright Year	2007
Description	Author affiliation: Dept. of Electr. Eng., Tech. Univ. Darmstadt, Darmstadt (Choonhapran, P.)
Abstract	High voltage circuit-breakers are one of the most important equipment in power systems. They serve as interrupting devices which interrupt the operating and short-circuit currents. They are subject to many interruptions such as major failures and minor failures during lifetime. In order to study reliability and availability of HV circuit-breakers, these interruptions have been recorded in terms of database. In this study, the interruption database of different types of HV circuit- breakers from 1960s is applied in order to investigate the mean time to failure (MTTF). Afterwards, the Markov model of HV circuit- breakers composed of 5 components in parallel: drive, HV insulation, life-parts, control/auxiliary, and others is applied. The mean time to repair (MTTR) of each component is also taken into account. Finally, the results of Markov process show the reliability and availability of different types of HV circuit-breakers.
Starting Page	1
Ending Page	6
File Size	308532
Page Count	6
File Format	PDF
ISBN	142441296X
ISSN	19325517
DOI	10.1109/PES.2007.385673
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Circuits Power system reliability Maintenance Power system modeling Databases Availability Sulfur hexafluoride Hydraulic drives Petroleum Markov processes reliability availability HV circuit-breakers Markov process Mean time to failure (MTTF) Mean time to repair (MTTR) parallel Markov model
Content Type	Text
Resource Type	Article

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