Reliability of diesel generators in the Finnish and Swedish nuclear power plants
Publiceringsår
1989
Upphovspersoner
Pulkkinen, Urho; Mankamo, Tuomas; Vanhala, Juhani; Huovinen, Tapio; Norros, Leena
Abstrakt
Diesel generators are used as emergency AC-power sources in nuclear power plants and they produce electric power for other emergency systems during accidents in which offset power is lost. The reliability of diesel generators is thus of major concern for overall safety of nuclear power plants. In this study we consider the reliability of diesel generators in the Swedish and Finnish nuclear power plants on the basis of collected operational experience. We classify the occurred failures according to their functional criticality, type and cause. The failures caused by human errors in maintenance and testing are analysed in detail. We analyse also the reliability of the diesel generator subsystems. Further, we study the effect of surveillance test and the type of test on the reliability. Finally we construct an unavailability model for single dieselgenerator unit and discuss the findings of the study giving some practical recommendations.
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Publikationstyp
Publikationsform
Separat verk
Målgrupp
Facklig
UKM:s publikationstyp
D4 Publicerad utvecklings- eller forskningsrapport eller -utredning
Publikationskanalens uppgifter
Journal
Valtion teknillinen tutkimuskeskus. Tiedotteita
Förläggare
VTT Technical Research Centre of Finland
Nummer
1070
ISSN
ISBN
Öppen tillgång
Öppen tillgänglighet i förläggarens tjänst
Nej
Licens för förläggarens version
Annan licens
Parallellsparad
Nej
Övriga uppgifter
Nyckelord
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Språk
engelska
Internationell sampublikation
Nej
Sampublikation med ett företag
Nej
Publikationen ingår i undervisnings- och kulturministeriets datainsamling
Nej