This interview was originally published on Tranformer-Technology.com Alan Ross John, I am fascinated by companies that have been in business as long as Niagara Power Transformer has. The company is nearly 100 years old, would that be fair to say? John F. Darby Correct, we are approaching our 100th anniversary in 2024. Our history goes back...
Reliable Resources
Find industry & company news, answers to Frequently Asked Questions, and downloadable documents.

Download Library
Researching which Niagara Power Transformer product fits your application or industry? Choose from the resources, technical data and other useful information to help get the job done. Downloads are available for registered users, click the button below to get started.
Have a Question
for Us?
If don’t see the answer you were looking in our FAQs section for please feel free to contact us with any questions you have about Niagara Power Transformers products and our company. We’d love to hear from you.
-
What type of conductor is used in Niagara Power Transformers?
Copper or aluminum.
-
What types of windings does Niagara Power Transformer offer?
- Circular layer
- Rectangular layer
- Circular disc
- Helical disc
- CTC
- Wire and sheet windings
-
What is the difference between a Step-Down Transformer vs. Step-Up Transformer?
The main difference is the number of turns a winding has on the primary coil vs the secondary coil. More turns on the primary coil will give you a step-down transformer which reduces the voltage from the input to output whereas a step-up transformer would be constructed the opposite way; more winding turns on the secondary for increased voltage.
-
What types of transformers does Niagara Power Transformer offer?
Liquid filled substation and special application transformers.
-
What types of transformer liquids does Niagara Power Transformer Corp. offer?
- Mineral Oil
- Seed Oils
- Luminol
-
Why Niagara Power Transformer Corp.?
- Best in class, industry leading quality
- Over 85+ years of transformer industry experience
- Over 75,000+ transformers shipped to date
- Over 400 years of transformer specific design experience, 700 years of transformer specific manufacturing experience
- Privately owned – no private equity, ownership stability over 95 years.