Siemens has produced the world’s first large-scale transformer that uses vegetable oil. In the future, the device will link the 380- kV ultra-high voltage level with the 110-kV grid in the Bruchsal- ...
Electrica signature analysis (ESA) uses the magnetic field in the air gap of an electrical machine to evaluate power quality conditions. Dry and oil transofrmer types are subject to problems ...
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