We have isolation transformer 25kvA & ONLINE UPS 15KvA
(3PHASE I/P,3PHASE O/P)where isolation should have
connect,before UPS or after please brief.






We have isolation transformer 25kvA & ONLINE UPS 15KvA (3PHASE I/P,3PHASE O/P)where isolation ..

Answer / thowsif_emerson

It should be connect before the Input Filter of the UPS..

Pls have a look on this Circuit Diagaram:-

http://www.tpub.com/content/doe2/spec3021/spec30210047.htm

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