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38 KV fault current

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tommom

Electrical
Mar 1, 2005
81
A friend is designing a 300 kva unit substation, 34.5 KV primary. The available fault current is around 18,000 amps. However, he can't find a primary fuse which is rated higher than about 16,000 amps.

What are his options for protection of the transformer?
 
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Thanks, stevenal. Will see if we can use this in the app. All the distribution is underground, so it's possible this might not do the trick.
 
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