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Press Release

Herausgeber: ENERTRAG SE

ENERTRAG develops improved Bloc II main bearing solution for Ecotecnia wind turbine

© ENERTRAG
© ENERTRAG
Dauerthal (renewablepress) - ENERTRAG has developed a new main bearing solution for the wind turbine ECO 74/80/1670 kw of the Spanish manufacturer Ecotecnia, which is significantly more durable and more cost-efficient than the original spare part.

The affected turbines have been in use in Brazil, Morocco, France, Portugal, Spain and Italy for about 10 years. The turbine models of the ECO 70/80/1670 series are particularly known for defects at Bloc II, i.e. defective roller bearings at the main bearing. Until now, only direct replacement by the OEM with a spare part that has the same design flaws has been possible.

ENERTRAG has now developed an improved main bearing solution together with EOLOTEC a German company specialised in roller bearings and roller bearing systems for wind turbines. Based on the latest load assumptions and calculation methods, such as the finite element method, the improved spare part was redesigned using reverse engineering. Development has been ongoing since 2018 and the first three prototypes are now available. With this innovative solution ENERTRAG can provide the Ecotecnia customers with an optimized system focused on highest quality and permanent operation until the end of the turbines lifetime.

The newly developed solution is not only more cost-efficient than an original spare part, but also offers numerous advantages: The state of the art bearing design combines optimized bearing seats based on actual loads and calculation models with improved automated lubrication and sealing systems. Additionally, the bearing preload is now adjustable and equipped with permanent online monitoring.

The new main bearing solution combines German engineering with Spanish know-how and creates regional added value on site. Furthermore, only quality components are being used. For instance, exclusively rolling bearings from well-known manufacturers such as SKF, FAG and NTN are utilised. ENERTRAG's main bearing solution has been certified by the German Technical Inspection Association (TÜV).


About us

ENERTRAG Service offers independent service and maintenance services for wind turbines. With more than 100 employees at 17 locations in Germany and corresponding activities in France and South Africa, ENERTRAG Service ensures the trouble-free operation of around 500 wind turbines. The service includes maintenance (via modular contracts and full maintenance contracts), repairs/fault-clearing, dismantling of wind turbines, remote data monitoring, spare parts, non-destructive material testing and welding repairs. In addition, numerous other individual projects in Europe, Africa and Asia are carried out with the internationally operating main component division.


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© ENERTRAG


Dauerthal, 11 March 2021


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Michael Scheel
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ENERTRAG Aktiengesellschaft
Matthias Philippi
Press and Public Relations Officer
Tel: +49 (0)39854 6459748
E-Mail: matthias.philippi@enertrag.com

ENERTRAG Aktiengesellschaft
Gut Dauerthal
17291 Dauerthal

Internet: https://www.enertrag.com



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About ENERTRAG SE

ENERTRAG erbringt alle Dienstleistungen rund um erneuerbare Energien. Wir führen Strom, Wärme und Mobilität in allen Lebensbereichen effizient zusammen. Als Energieerzeuger mit einer Jahresproduktion von 1,5 Mio MWh im Bestand und einem Servicenetzwerk mit über 1120 Windenergieanlagen wissen wir dabei auch aus eigener Erfahrung, was für unseren Kunden wichtig ist. Mit über zwei Jahrzehnten Erfahrung in Europa vereinen unsere 540 Mitarbeiter alle Kompetenzen, die für erfolgreichen Betrieb und effiziente Instandhaltung, aber auch für eine bürgernahe Planung und zuverlässigen Bau von Energieanlagen und Netzen bis hin zu kompletten Verbundkraftwerken erforderlich sind. Wir sind immer eine Energie voraus – sei es bei Sektorkopplung, Beteiligungsmodellen oder bedarfsgerechter Nachtkennzeichung.

More Information about ENERTRAG SE

Press Contact

Nadine Kanu

Nadine Kanu
ENERTRAG SE
E-Mail: nadine.kanu@enertrag.com
Phone: +49 (0)39854 6459 368