Failures and Reliability in Hawts Operating in Mountainous Areas, Open Sea and in Harsch Climate Sites

Recently, offshore wind plants, as Horn’s Riv one, have reached a remarkable interest and development. In these sites, HAWT’s blades experiment corrosion, erosion and fouling and, at higher latitudes, icing conditions too, as in mountainous areas and in harsch climate sites. The operative conditions...

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Bibliographic Details
Published in:E3S web of conferences 2021-01, Vol.312, p.11010
Main Author: Maria De Pratti, Giovanni
Format: Article
Language:English
Subjects:
Blades
Corrosion
Damage
Data collection
Environmental conditions
Exfoliation corrosion
Failure
Fouling
Mountainous areas
Mountains
Reliability analysis
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Summary:Recently, offshore wind plants, as Horn’s Riv one, have reached a remarkable interest and development. In these sites, HAWT’s blades experiment corrosion, erosion and fouling and, at higher latitudes, icing conditions too, as in mountainous areas and in harsch climate sites. The operative conditions may influence the machine damages and they may occur as consequence of erosion, corrosion, fouling, icing, exfoliation caused by the above mentioned environmental conditions. The paper reports about data collection about failures occurred to HAWTS operating in offshore, mountainous and harsch climate sites in last ten years. Particularly, the damage occurred to blades, gears and bearings have been examined and the consequences analysed. The occurred failures are examined and the reliability of WTGs is assessed by appropriate models and analysis. The results are com pared to literature data and they may be very useful in programmable maintenance and in predictable one. Reliability analysis may be also useful to increase energy production.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202131211010