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The Electrical Apparatus Service Association (EASA) recently announced the publication of an update to AR200, now titled the “Guide for The Repair of Dry-Type Transformers.” This guide outlines best ...
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 ...
Hitachi Energy has announced a $22.5 million investment to expand and modernize its dry-type transformer manufacturing operations in Southwest Virginia, supporting the opening of a newly purchased ...
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When it comes to big-ticket items, power transformers are near the top of the list. So, when they fail prematurely, it’s all the more painful: Damages can far exceed the cost of a replacement. The ...
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