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Utility Transformers


Power Transformers Health Check

Power transformers are static electric machines used to step-up or step-down voltage in electric power applications. The capital cost of a power transformer in the range of 100MVA can be $1M or more and by the time it is under operation, the price is increased. The average age of installed large...


RMS Energy Responds to the Changing Engineering Needs of Customers

Today’s electrical infrastructure in the United States might have been viewed as a work of science fiction when the first commercial power grid was conceived and built in New York’s lower Manhattan in the 1880s. But it didn’t take long for fiction to become fact. Thomas...

Utility Transformers

Electrical transformer design and manufacturing

Acutran Transformers: Built to Military Precision

Acutran is a veteran-owned custom designer and manufacturer of low- and medium-voltage dry-type transformers from 10VA to 3000kVA with voltages up to 25000V, inductors and reactors, and related components and services.
The company was founded in 1983 and is now owned by Mike Evans, who is also the general manager. Mike served in Iraq with the 82nd Airborne Division of the U.S. Army. That dedication to service and country, along with Mike’s 25 years of...

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power plant

RMS Energy Responds to the Changing Engineering Needs of Customers

Today’s electrical infrastructure in the United States might have been viewed as a work of science fiction when the first commercial power grid was conceived and built in New York’s lower Manhattan in the 1880s. But it didn’t take long for fiction to become fact. Thomas...

Normalized Energy Intensity chart

Advancements in Dissolved Gas Analysis: NEI & Gassing Events

One of the most important steps when looking at DGA data is to decide whether the data support the existence of a fault that is actively breaking down the insulation before you try to use a triangle, pentagon, or gas ratio method to identify a fault type. Otherwise, you are diagnosing random...

transformer repair

Radiator Fin(s) Leak Repair

Radiator fins are notorious for leaking at various locations. One of which is where the fins are attached (welded) to the horizontal bottom-run header. Measurements are taken so a weir box can be installed to cover the fin(s) that are leaking. It is preferred the weir box will cover above the...


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