GL RC releases new Technical Note for the Certification of Wind Turbines for Tropical Cyclones

Alternative Sources of Energy, Classification Societies, Energy — By on October 22, 2013 at 2:14 PM

GL-logoGL Renewables Certification (GL RC) has published its new “Technical Note for the Certification of Wind Turbines for Tropical Cyclones”. The Technical Note is a supplement to GL RC’s Guidelines for the Certification of Wind Turbines and addresses the question how cyclones are influencing wind turbine designs.

An increasing number of onshore and offshore wind parks are proposed in cyclone-affected areas, mainly in the US, China, Korea and Japan. Properly designed wind parks should be able to withstand the cyclones that are likely to affect them within their lifetime.

Recent tropical cyclones such as typhoon Usagi,  which hit the Honghaiwan Wind Farm in coastal Shanwei City, Guangdong, demonstrated the potential of extreme weather to impact upon wind park sites. The lack of clear guidance for categorizing the risk a site faces of being hit by a tropical cycloneand the extreme variability with which such storms effect wind farm structures, mean that developers are left with the uncertainty as to the fitness of their developments to deal with extreme weather conditions.  With its new Technical Note,  GL RC provides detailed information to wind turbine designers and manufacturers on this important issue.

The Technical Note can optionally be applied within the certification procedure and defines the additional design requirements to be considered for type and project certification as well as requirements for site assessment. It was prepared in cooperation with academia and industry and includes knowledge from research and from already existing wind parks.

The new Technical Note can be ordered here: http://www.gl-group.com/en/certification/renewables/CertificationGuidelines.php

About GL Renewables Certification
GL Renewables Certification has issued guidelines which cover testing conditions, safety systems and quality requirements, for both onshore and offshore installations, in a variety of technical fields. For owners, manufacturers, operators, supplier firms, investors, banks and insurance companies alike certification is an important prerequisite for safe, reliable and highly productive facilities. GL Renewables Certification has offices in Germany, UK, US, Canada, India and China, and employs 185 people worldwide.

As of 12 September 2013, DNV and GL have merged to form DNV GL 
Driven by our purpose of safeguarding life, property and the environment, DNV GL enables organizations to advance the safety and sustainability of their business. We provide classification and technical assurance along with software and independent expert advisory services to the maritime, oil & gas and energy industries. We also provide certification services to customers across a wide range of industries. With our origins stretching back to 1864, our reach today is global. Operating in more than 100 countries, our 16, 000 professionals are dedicated to helping our customers make the world safer, smarter and greener.

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