Turbine repair at Nesjavellir geothermal power plant: An Icelandic case study

Turbine repair at Nesjavellir geothermal power plant: An Icelandic case study

•Geothermal rotor was worn down by 8mm and fixed on site.•The wear was considered to be caused by erosion–corrosion products on the labyrinth packing.•We show root cause analysis for the occurring failure.•The shut-down time was kept to

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Bibliographische Detailangaben
Veröffentlicht in:Geothermics 2015-01, Vol.53, p.166-170
Hauptverfasser: Atlason, R.S., Gunnarsson, A., Unnthorsson, R.
Format: Artikel
Sprache:eng
Schlagworte:
Construction
Domestic
Domestic production
Failure
Geothermal power plants
Geothermal rotor
Gland seal
Iceland
Labyrinth packing
Machine shops
Repair
Rotors
Steam turbines
Turbines
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Beschreibung
Zusammenfassung:•Geothermal rotor was worn down by 8mm and fixed on site.•The wear was considered to be caused by erosion–corrosion products on the labyrinth packing.•We show root cause analysis for the occurring failure.•The shut-down time was kept to
ISSN:0375-6505
1879-3576
DOI:10.1016/j.geothermics.2014.05.015