Thanks for the replies. These are new ABB SACE Emax 2 LV air circuit breakers replacing 20-year-old originals. 3P 3200A on the Gen Incomer with Neutral sensor. The Inter Tie breakers are still the original 4P with no Senors to worry about. We have also replaced the transformer incomers on the...
I am on an offshore oil production platform. We have a 440V Diesel gen set running in island mode, supplying an emergency sw board. We attempted to auto sync our normal 440v power board fed from GT alternators through an intertie breaker
Normally the intertie ACB breaker closes at sync and the...
