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Changing Yd1 to Yd11

Changing Yd1 to Yd11

Owned by Rodney Hughes
03 Jun 2015

This LinkedIn "Transformers Forum" question asked the following: https://www.linkedin.com/grp/post/772397-6007040751983214592

Dear all, Is it possible to change the vector group of a transformer by changing the phase sequence of supply?

Kevin Newman proposed a solution that just involves swapping two line connections on the HV and two line connections on the LV - nice trick!!

Here is the explanation presented as 2 slides - before and after: Yd1 to Yd11.pdf