How is the transformer selection and how do we arrive maximum kA in the system?

thamil5825
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Asked by thamil5825 on 9/18/2011 5:17:25 AM

The Best Answer

naban
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kA at the primary should be provided by the Utility. You can calculate the kA at the secondary using this value and MVA of transformer by pu or other methods.

Answered by naban on 10/19/2011 1:11:12 AM

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Steven
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I think this is two questions. Both of the answers need to be calculated during design. There are some posts on the site on Maximum Demand which will help with the transformers sizes. Also some Wiki pages on fault calculations which will help with kA. If you can ask more specific questions explaining exactly what you want, I’ll try to answer in more detail.

Answered by Steven on 9/26/2011 12:01:14 AM

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