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Green liquid filled padmounted transformer roped off for testing

November 15, 2022

Overview of the common tests performed on transformers, including Winding Resistance, Megger, Transformer Turns Ratio, Load-Loss, Leak Tests, and others.

How To's

November 1, 2022

Is a copper or aluminum transformer coil better? Both are equally reliable and durable winding conductors. Aluminum is lower in cost. Copper is 20% heavier.

How To's

October 18, 2022

Maddox Transformer has been one of the US's fastest-growing private companies for four years in a row! See our stock of new and reconditioned transformers.

News

Radial feed bushing configuration on padmount transformer

September 28, 2022

A loop feed transformer can accommodate both radial and loop distribution systems, whereas radial feed transformers almost always appear in radial systems.

How To's

September 14, 2022

When choosing a general purpose low voltage dry type transformer (below 600v), you'll need to consider phase type, kVA rating, and input and output voltage.

How To's

August 15, 2022

Maddox has a new look! We've updated our brand and website. Our new website makes it easy to find the transformer you need and has tons of educational content.

News

August 9, 2022

Harmonics can be harmful for a transformer's operation. However, they can be mitigated by K-Factor rated transformers, Zigzag transformers, and other options.

How To's

Padmount transformer loaded and ready to be shipped out

May 25, 2022

Maddox makes it easy to purchase the right electrical transformer. See how orders of new, rebuilt, and remanufactured units are processed from start to finish.

How To's

Taking an oil sample from a liquid-filled transformer

April 4, 2022

The Dissolved Gas Analysis test (DGA) has long been the most reliable and accurate method for determining the internal health of oil-filled transformers.

How To's

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Guide to transformer testing standards

Aluminum vs. copper in distribution transformers

Maddox named to the Inc. 5000

Guide to radial and loop feed transformers

How to buy the right transformer (600v class)

Maddox brand and website update

Guide to transformer harmonics and k-factor

The Life of an Order: What happens after you buy a transformer?

Transformer Oil Dissolved Gas Analysis (DGA) Guide