Blog

Step-Up and Step-Down Transformers

A transformer is used to control and adjust voltage and current levels in alternating current circuits. They are used from the point of generation all the way to the point of use. Utilities utilize large step-up transformers to increase the voltage after generation to...

Basic Guide to Truly Understanding Transformers

Transformers can sometimes be a little tricky to understand. But transformers play an important part in our daily lives, even though we don’t even realize this sometimes. These electrical components allow devices that need different voltages to run without a problem....

Power Transformers: A Market Overview

A power transformer is just what the name indicates; it takes an alternating current and by means of induction converts it into another form of current. From National Grids to businesses, transformers are used in a wide variety of places. With the industry expected to...

9 Uses of an Autoformer or Autotransformer

An autotransformer or autoformer is a special type of transformer that only has one isolated winding to step up or step down the voltage. In case you’re wondering, the “auto” prefix does not refer to any kind of automatic process; rather it denotes the action of the...

Class 2 Transformers: Serving you Daily

Believe it or not Class 2 transformers are around you in every part of your daily life.  This sometimes small piece of equipment creates ease of use in many of your routine activities from how your HVAC runs to how your garage door opens.  But what is their purpose...

Happy Holidays from Foster Transformer Company!

It’s hard to believe another year is coming to a close.  When you’ve been around as long as we have, time only goes quicker.  We want to take a moment to thank our customers, both old and new, for their loyalty.  We are privileged to be your resource for custom...