4 Wire High Leg Delta Transformer (Video example) - Power Exam Sub Forum - Engineer Boards
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Zach Stone, P.E.

4 Wire High Leg Delta Transformer (Video example)

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I get a lot of emails regularly asking for help with the 4 wire "high leg" delta transformer.

Here is a quick video explaining how to calculate the high leg voltage that you may find useful:


If you'd like to download a copy of the completed circuit diagram, the completed phasor diagram, and all of the steps in this video to use as a cheat sheet for your exam references then visit the full length article here:  Electrical PE Review - 4 Wire High Leg Delta Transformer Connection

I hope you enjoy the short how to video and cheat sheet. I'm happy to answer any questions that you may have. 

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