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Renewable Insulation Liquids for Transformers

By Phill Feltham

Turning electrical assets into green machines

BY RONNY FRITSCHE & GEORG PUKEL, Siemens AG

Transformers are one of the most important components of energy grid systems. They enable the efficient transport of electric energy from the location where the energy is generated to the location where the energy is needed. Transformers, especially power transformers, are conventional electric equipment based on physic concepts and materials developed decades ago, making it critical to implement new designs and new materials based on renewable resources used today to achieve sustainability, reliability and safety.

For large power transformers, one key area where renewable resources can be used is the insulation liquid. Electricity Today Magazine and Siemens will review some alternative insulation liquids that can be used in transformers.

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