thank-you for all of your quick responses. To answer all your questions: there was no generation on the 13.8 side. The only loads were station loads, which on that transformer is only transformer auxiliaries. The other transformer supplies station auxiliaries from both windings when we are...
I have a new transformer, 3 phase 3 winding. 115KV/13.8kv/13.8kv, high side wye, low side delta. It recently tripped on high side winding ground time over current. The system operators claim there was a spike on the system around the time the transformer tripped. I also have another...
