thread238-116324 how to calculate

[VIKRAM DESAI]

thread238-116324
how to calculate zigzag transformer size for 7.5 MVA star/delta 66/11 KV transformer with 8.5 % Impedance?

 

[xnuke]

Follow IEEE Std 32.

xnuke
"Live and act within the limit of your knowledge and keep expanding it to the limit of your life." Ayn Rand, Atlas Shrugged.
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips.

 

[cuky2000]

See if the enclosed article can help.

https://www.l-3.com/wp-content/uploads/2014/04/Georgia-Tech-Zig-Zag-Grounding-Transformers.pdf