Part of Grid Network »

The Transmission Professionals special interest group covers the distribution of power from generation to final destination. 


Are You Utilizing Staggering Transformer Taps on Parallel Transformers?

Leo St. Hilaire's picture
Technical Advisor GCC eLab

Over 40 years of utility experience with twenty five (25) years’ experience in Supervisory and Managerial roles in power system operations. I have advance technical knowledge in Operations and...

  • Member since 2021
  • 15 items added with 1,214 views
  • Dec 13, 2021

Greeting. In your region or country, are there utilities practicing running their parallel Bulk Supply Point transformers with staggered taps, resulting in circulating current and reducing the high side voltage? How about those transformers connected in parallel feeding the distribution network?

Your access to Member Features is limited.

Leo - do you have a link to a source that describes this transmission technology in simple(r) terms? Thanks

Leo St. Hilaire's picture
Leo St. Hilaire on Jan 14, 2022

I have attached a jpg showing what is being done at the transmission level here. I have only found reference to staggering taps on the distribution system side to reduce transmission voltage. It is an IEEE article and can be found at link below. I could not find any papers on performing staggered taps at the transmission level, which is why I am asking the question.


Tap Into The Experience of the Network

One of the great things about our industry is our willingness to share knowledge and experience.

The Energy Central Q&A platform allows you to easily tap into the experience of thousands of your colleagues in utilities.

When you need advice, have a tough problem or just need other viewpoints, post a question. Your question will go out to our network of industry professionals and experts. If it is sensitive, you can post anonymously.