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2010•Unpublished venueRequires access

Criticality assessment of GIS components

Muhannad Al-Suhaily, Sander Meijer, Johan J. Smit, Peter Sibbald, Jos Kanters, TenneT Tso

Open publisher page 5 citations

Abstract

To ensure the high voltage gas insulated substations (GIS) reliability while maintaining maintenance costs, it is important to determine the criticality of GIS components and planning maintenance work based on the estimated criticality level. In this paper, the GIS primary system is broken down into indenture levels and subjected to the Failure Mode, Effect, and Criticality Analysis (FMECA) to estimate failures criticality for GIS components. The method is applied to one of the 380kV GIS installation in the Netherlands. The results have shown that circuit breakers have very high criticality level. Busducts and interconnecting parts, disconnectors, and SF6 bushings have high criticality level. And surge arresters have medium criticality.

About this research paper

What this paper is about

To ensure the high voltage gas insulated substations (GIS) reliability while maintaining maintenance costs, it is important to determine the criticality of GIS components and planning maintenance work based on the estimated criticality level. In this paper, the GIS primary system is broken down into indenture levels and subjected to the Failure Mode, Effect, and Criticality Analysis (FMECA) to estimate failures criticality for GIS components. The method is applied to one of the 380kV GIS installation in the Netherlands. The results have shown that circuit breakers have very high criticality level. Busducts and interconnecting parts, disconnectors, and SF6 bushings have high criticality level. And surge arresters have medium criticality.

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Available abstract

To ensure the high voltage gas insulated substations (GIS) reliability while maintaining maintenance costs, it is important to determine the criticality of GIS components and planning maintenance work based on the estimated criticality level. In this paper, the GIS primary system is broken down into indenture levels and subjected to the Failure Mode, Effect, and Criticality Analysis (FMECA) to estimate failures criticality for GIS components. The method is applied to one of the 380kV GIS installation in the Netherlands. The results have shown that circuit breakers have very high criticality level. Busducts and interconnecting parts, disconnectors, and SF6 bushings have high criticality level. And surge arresters have medium criticality.

Key concepts: Failure mode, effects, and criticality analysis, Criticality, Reliability engineering, Reliability (semiconductor), Computer science, Geographic information system, Circuit breaker, Maintenance engineering

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