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The quietest turbine in its class. Low noise level, high performance – the 3.2M114 from REpower Systems SE, Hamburg in The Windfair Newsletter

Hamburg, Autumn 2011. The best wind turbines convince with performance, not by being the loudest. The acoustical and visual effects of a wind turbine must be taken into account from the initial planning stage right through to installation. The German Immi

A gearbox that pays dividends
Compliance with ultra-strict maximum sound levels to avoid disturbance to local residents is a key criterion when choosing a wind turbine. The sound emission values are mainly determined by the speed of the rotor blade tips. REpower trusts in an integral drive train concept, optimised over a period of several decades and featuring an efficient gearbox. This concept allows compact generators to be used in combination with low rotor speeds. Put another way, at Repower a big rotor doesn’t mean lots of noise.

Sound power level – a vital location factor

Adapting wind turbines to conditions at different locations – and particularly to the needs of people living in the area – represents a formidable technological challenge. REpower masters this situation with perfectly dovetailed components and by continually upgrading its existing product ranges. The 3.2M114 – the quietest turbine in its class – is the latest in a long line of successful examples.

Sound power level – a unique guarantee

REpower provides a written declaration of compliance with the maximum project-specific sound power level for every single turbine. This unique guarantee assures that the specified sound values are adhered to in all measurements. The sound power levels warranted by REpower already include all measurement uncertainties, in other words there is no need to allow any additional safety margins.
With REpower’s help, wind farm operators can actively reduce the maximum sound power level further still if necessary. Optional sound management packages are offered for this purpose in the form of intelligent control software that aligns the turbines even more closely to local site requirements.

The experience of some 3,500 wind turbines

Each new REpower wind turbine draws on the experience gained from manufacturing, installing and maintaining about 3,500 wind turbines all over the world. Yet this is not the company’s only field of expertise: REpower is a competent partner when it comes to integrating wind turbines into their environment, connecting them to the grid and monitoring their performance. It’s no wonder its wind turbines deliver maximum performance throughout their entire lifetime in terms of profitability, reliability and safety.

About REpower

REpower Systems SE, a Suzlon group company, is one of the leading international manufacturers of onshore and offshore wind turbines. Across the globe, this engineering specialist develops, builds and sells wind turbines for almost any location. The power ratings of its wind turbines range from 1.8 to 6.15 MW with rotor diameters between 82 and 126 metres. Furthermore, REpower – with almost 2,500 employees worldwide – provides customers with project-specific solutions in the areas of wind farm engineering, service and maintenance, transport and installation, foundation design and financial engineering.
More information: www.repower.de/technology
REpower Systems SE

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