Thanks for the reply guys. There is no grounding transformer or tap on the delta secondary and I have the same opinion as you groovyguy.
Thanks again guys
Hi guys, I'm new to the forums and hoping to get some advice on a power transformer.
So basically this is a portable machine powered by a 1000v supply having core balance earth leakage on the protection relay and backup earth leakage on the NER. My issue is that part of the machine is powered...