waross: As far as I have been told we have no neutral loads in the plant. The center tap may be grounded at the transformer, but I believe that is as far as it goes.
melspuds: This is my first hot strip mill. I am excited to get on this side of the steel making process. For 5 years I worked in...
Thanks for your posts! I too want to have a clear understanding of our system. Thanks for correcting my nomenclature as well, I prefer to use proper names to remove any ambiguity.
jraef: On the disconnect is says three wire 480. From my experience that is either a ungrounded delta or a...
I just started as an electrical supervisor for a hot strip mill. On my first week we were coming up from an outage and a ground in a screw compressor motor tripped a 4000 amp breaker with GFI fault causing a loss of power in two entire departments.
This compressor is fed off a downstream load...
