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Germanischer Lloyd certifies offshore wind transformers from India’s Crompton Greaves

Crompton Greaves’ distribution transformers receive GL RC certification for adhering to GL’s guidelines for the certification of offshore wind turbines

Distribution transformers for offshore wind farms
Crompton Greaves has received GL Renewables certification for its SLIM and Bio-SLIM distribution transformers for offshore wind turbines

India’s Crompton Greaves (CG) has received certification from Germanischer Lloyd Renewables Certification (GL RC) for its liquid immersed SLIM and Bio-SLIM distribution transformers. The certification, valid up to 2018, covers SLIM and Bio-SLIM distribution transformer KNAN up to a rating of 3500kVA and KFAF/KFWF up to a rating of 6500kVA. Both the products adhere to GL’s guidelines for the certification of offshore wind turbines.

Holger Trecksel, head of sales and business development at GL RC, said: “The certification demonstrates that CG’s transformer has been designed, documented, manufactured and tested in compliance with the latest technical requirements documented in GL RC’s offshore guidelines.”

The SLIM transformers are hermetically sealed with bio-degradable fluid which reduces the risk of pollution at offshore wind farms. They are developed in collaboration with Nomex thermal insulating technology from Dupont. The distribution transformers are designed to ensure reliability, fire safety, longer life time and low maintenance, withstanding severe harshness of the environment, installation cost and maintenance.

Laurent Demortier, managing director and CEO of CG, said: “The offshore wind farm is one of the fastest growing segments within CG. We are committed to provide our customers energy-efficient, cost-effective, reliable and best-in-class solutions. This GL RC certification demonstrates the adequacy of SLIM and Bio-SLIM distribution transformers to withstand the specific harsh environment at offshore wind farms." 

CG has installed more than 1,000 distribution transformers at offshore wind farms globally. This year, the Indian company has secured contracts worth more than USD 50m for offshore wind farm projects in Europe.