Press Release
Publisher: Nordex SE
Nordex Group receives type certificate for the N149/4.0-4.5 turbine from T
Hamburg (renewablepress) - The independent certifying agency TÜV SÜD Industrie Service GmbH has awarded the worldwide valid IEC type certificate for the N149/4.0-4.5 turbine from the Delta4000 series.
The type certificate officially confirms that the theoretical design calculations for the N149/4.0-4.5 done by the Nordex Group reflect the figures for the turbines actually measured in the field. This is in fact a confirmation of the power performance and mechanical loads during operation as well as the lifetime of the turbine type under different operating modes. Likewise the NR74.5 rotor blade was successfully certified for a lifetime of minimum 20 years on the basis of a dynamic, physical rotor blade test.
The certification is based on a comprehensive measuring and validation programme over the past twelve months with the N149/4.0-4.5 turbines installed in summer 2018. TÜV SÜD had already issued the "Statement of Compliance for the Design Evaluation" for this turbine type in September 2018. This design evaluation was one of the first preconditions for issuing the present type certificate.
Another part of the type certification, apart from the validation, comprises the evaluation of the manufacture and production of the wind turbines. Nordex and its component suppliers for the N149/4.0-4.5 have set up a certified quality management system in accordance with ISO 9001:2015. Inspections of manufacture by the certifying agent served to confirm the quality-compliant production of the components and the wind turbine in line with the certified design documents. The next steps will involve the production processes in the other production facilities.
The IEC type certificate for the N149/4.0-4.5 covers the turbine options with hub heights of 105, 120, 125, 135, 145, 155 and 164 metres both for steel, concrete and hybrid tower versions. The NR74.5 rotor blade is also certified with the anti-icing solution.
In addition to this, the independent test labs WIND-consult and engineering office for acoustics Busch have measured the sound levels of the N149/4.0-4.5 in the wind farm. Here, among other things, sound power levels of 106.1 dB(A) at a power output of 4,500 kW and a lower figure of 96.5 dB(A) at a power output of 2,870 kW were confirmed. In other words, even at sound-critical sites these measurement results facilitate receiving operating permission for night-time operation for the N149/4.0-4.5. Continuous operation will then result in correspondingly high yields.
The Nordex Group - a profile
The Group has installed more than 25 GW of wind energy capacity in over 40 markets and in 2018 generated revenues of around EUR 2.5 billion. The company currently has more than 5,500 employees. The joint manufacturing capacity includes factories in Germany, Spain, Brazil, the United States, India, Argentina and Mexico. The product portfolio is focused on onshore turbines in the 2.4 to 5.X MW class, which are tailor-made for the market requirements in countries with limited space and regions with limited grid capacity.
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© Nordex SE
Hamburg, 29 August 2019
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About Nordex SE
The development, manufacture, project management and servicing of wind turbines in the onshore segment has been the core competence and passion of the Nordex Group and its more than 7,900 employees worldwide since 1985. As one of the world's largest wind turbine manufacturers, the Nordex Group offers high-yield, cost-efficient wind turbines under the Acciona Windpower and Nordex brands that enable long-term and economical power generation from wind energy in all geographical and climatic conditions.
The focus is on turbines in the 3 to 5MW+ class, and the Group’s comprehensive product portfolio offers individual solutions for both markets with limited space and regions with limited grid capacities. With more than 29 GW of installed capacity worldwide, Nordex Group systems deliver sustainable energy throughout more than 80 per cent of the world’s energy market (excluding China).
Nordex SE is listed on the TecDAX of the Frankfurt Stock Exchange. The management holding company is headquartered in Rostock, while the executive board and administrative offices are based in Hamburg. At production facilities in Germany, Spain, Brazil, the US, and India, the Nordex Group produces its own nacelles, rotor blades and concrete towers. The Group also maintains offices and branches in more than 25 countries.
Press contact at Nordex SE
Felix Losada
Mail: flosada@nordex-online.com
Phone: +49 - (40) - 300 30 - 1141