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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 ...
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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 ...
Urbanization is one of the most important global trends. It is expected migration from rural areas will result in two-thirds of the world population residing in cities by 2050. As a result, demand for ...
Tap changers are devices that can increase or decrease the output secondary voltage by changing the turn ratio of primary or secondary winding. A tap changer is usually installed on a high voltage ...
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