Jul 24, 2015 #1 SRA007 Electrical Jan 25, 2012 15 How often one can switch on and off 1MVA oil filled transformer in a Year just for doing daily maintenance on the downstream circuit.
How often one can switch on and off 1MVA oil filled transformer in a Year just for doing daily maintenance on the downstream circuit.
Jul 24, 2015 #2 davidbeach Electrical Mar 13, 2003 9,490 Why would you switch the transformer, why not just open the downstream breaker? Upvote 0 Downvote
Jul 24, 2015 #3 Skogsgurra Electrical Mar 31, 2003 11,815 A coincidence, perhaps - I just have a case where there are no downstream breakers. It is not so unusual, actually. With large drives, it is quite common not to have a breaker between transformer secondary and drive. Gunnar Englund http://www.gke.org-------------------------------------- Half full - Half empty? I don't mind. It's what in it that counts. Upvote 0 Downvote
A coincidence, perhaps - I just have a case where there are no downstream breakers. It is not so unusual, actually. With large drives, it is quite common not to have a breaker between transformer secondary and drive. Gunnar Englund http://www.gke.org-------------------------------------- Half full - Half empty? I don't mind. It's what in it that counts.
