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| Basic Facts | |
|---|---|
| Client: | Nordex Energy GmbH |
| Timeframe: | July-November 2013 |
| Project location: | Cologne and Nuremburg, Germany |
| Main services: | Type approval and Design Evaluation for turbine components |
| Involved regulations/standards: | • DIBt 2012: Technical building regulations • IEC 61400-22: International standard on type and component certification of wind turbines |
Initial situation and requirements
Nordex Energy GmbH is a German designer, manufacturer and distributor of wind turbines. In 2013, the company launched a new generation, optimized wind turbine N117/2400 model R120MT equipped with a new turbular steel tower. For the manufacturer, certification of wind turbines is crucial and compliance with standards and requirements is of utmost importance.
TÜV Rheinland‘s many years of experience in verification of static and dynamic calculations and more generally in the field of wind energy services led Nordex representatives choose TÜV Rheinland to provide the type approval and design evaluation and certification according to a series of local and international standards for its N117/2400 steel tower.
TÜV Rheinland Certification Body for Products
TÜV Rheinland is accredited by the German Accreditation Body (DAkkS) as a Certification Body for type and component certification of wind turbines in accordance with international standard IEC 61400-22.
About TÜV Rheinland
Founded more than 140 years ago, TÜV Rheinland is a global leader in independent inspection services, ensuring quality and safety for people, the environment, and technology in nearly all aspects of life.
We inspect technical equipment, products and services, oversee projects and help to shape processes for companies around the world. Since 2006, we have been a member of the United Nations Global Compact to promote sustainability and combat corruption.
TÜV Rheinland can support wind energy projects at every phase with a comprehensive range of services – from acceptance testing and construction to operation and periodic inspections. We ensure that your wind project is a complete success.
Solutions, results
In the wind energy industry, type certification confirms that the wind turbine type is designed, documented, and manufactured to comply with the design specifications, specific standards and other technical requirements. Following the launch of a new generation wind turbine steel tower, Nordex required the support of a neutral Certification Body. A team of five experts from TÜV Rheinland provided type approval services according to the DIBt 2012, technical building regulations from the German Institute for Civil Engineering (Deutsches Institut für Bautechnik) and design evaluation and certification of the tower according to the international standards IEC 61400-22 on type ad component certification of wind turbines.
Evaluation and certification services were conducted on the N117/2400 optimized steel tower to include testing of the flat foundation both with and without buoyancy as well as examination of tower internals consisting mainly of platforms. We provided fast response to our client’s time constraints and upon completion of the certification process, Nordex received approval for the design calculation of its steel tower.
| The N117/2400 wind turbine has been developed for low-wind sites. Users of this wind turbine can therefore achieve high and steady electricity production in regions characterized by lighter winds. |
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Benefits for the client
TÜV Rheinland supported Nordex Energy GmbH with:
• Highly-experienced experts with a broad knowledge of the international and national regulations and standards related to the wind energy industry.
• Assessment and certification services provided by a notified and neutral Certification Body with an excellent reputation on the market.
• Fast response and on-time delivery of the required services in accordance with time constraints.