German operator installs world’s largest natural ester-filled transformer

Germany: TransnetBW, a transmission network operator in the German state of Baden-Württemberg, recently installed a 420 kV power transformer in one of its substations in southwest Germany that is cooled and insulated with natural ester fluid.

 


Germany: TransnetBW, a transmission network operator in the German state of Baden-Württemberg, recently installed a 420 kV power transformer in one of its substations in southwest Germany that is cooled and insulated with natural ester fluid.

The substation transformer, which has a power rating of 300 MVA with an overload condition of up to 400 MVA, is the first in this high voltage category to be filled with a renewable, vegetable-oil-based, natural ester fluid.

Source: Power Technology