The recent line of small power transformers is customized for use in municipal power substations. The utility-focused smaller power transformers, from Pacific Crest Transformers, Medford, Oregon, are rated from 5 to 15 megavolt-amperes. They are ruggedly built, using disk-wound coils with cruciform miter-cut cores and proprietary 360° cooling ducts. The design improves reliability because it increases the transformer’s capability to handle the axial and radial forces exerted on the transformer during periods of short circuits and heavy loads.
“With our design, each and every turn in the windings is directly in contact with the insulating fluid, improving the transformer’s cooling characteristics, reliability, and thereby reducing its total cost of ownership,” says Pacific Crest Transformer’s VP Tom Steeber. The company welcomes plant visits for those with power-station-transformer requirements.
In addition, the transformers will be on display in booth 622 at the 2010 Northwest Power Association’s Engineering & Operations Conference & Tradeshow, from March 29th to April 2nd, Hotel Murano/Marriott Courtyard in Tacoma, Washington.
The company designs, constructs, and retrofits liquid-filled distribution transformers for the utility, renewable (wind, solar) energy, mining, steel, and petrochemical markets. Flexible custom designs come in versions for pad mounting, substations, and specialty transformers.
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