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 ...

Rising Global Demand for Oil-Immersed Transformers Oil-immersed transformers remain a cornerstone of modern power transmission and distribution systems. Their superior insulation performance, high ...

An early morning power outage to almost 5,000 Newfoundland Power customers on Tuesday morning was caused by shots fired on a power transformer, says a utility spokesperson. Michelle Coughlan, director ...

HD Hyundai Electric has completed the country’s largest-capacity transformer that uses environmentally friendly insulating oil — a unit destined for export to Britain. The power transformer maker said ...

ASTM International’s electrical insulating liquids and gases committee (D27) has approved a new standard that will cover the use of recycled oil in electrical equipment. Most wet-type transformers in ...