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China

LM works with CSIC on 75-metre blade

CHINA: Chinese turbine manufacturer CSIC is installing its H154 5MW turbine at Rudong, in Jiangsu province using 75-metre blades believed to have been produced by LM.

LM previously produced the Alstom Haliade 6MW turbine's 73.5 metre blade
LM previously produced the Alstom Haliade 6MW turbine's 73.5 metre blade

According to sources close to CSIC, LM has produced the blades for the class III wind turbine in China. The blades are of equal length to Siemens' own blades, which were installed on its 6MW offshore turbine last week.

The CSIC blade also beats the 73.5-metre blade LM produced for Alstom's Haliade turbine. Although based on LM's 42.1-metre GloBlade design, the company developed new materials technology for the Alstom's turbine's fibreglass blade.

Speaking to Windpower Monthly, LM did not confirm or deny that it had manufactured the blades for CSIC. However, an LM spokesman confirmed the company had been working with CSIC.

Previously, CSIC would not comment on the origin of the blade other than saying it was produced through a subsidiary.

Asked whether the Alstom deal allowed LM to use the 73.5-metre blade design on other manufacturers' products, an LM spokesman would only say: "LM clearly has leadership position in providing the longer blades our customers want and we foresee growing demand."  

CSIC is working with Dutch designer Mecal to develop the 5MW turbine for the Chinese offshore market. The machine features a high speed geared drive system and a permanent magnet generator.

The turbine has been designed for wind speeds of around 7.5 metres per second, which is typical for the Chinese offshore conditions.













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