hey all thanks for the reply's just an update. we decided to pull the control transformer and megger it out with the 5kv megger and we found out that the primary had a short in it once it reached around 1000v. So we replaced it and put in new fuses and it all works perfectly now. thanks for the...
Hey guys first post here! so today at my job as a maintenance electrician we had a problem with one of our 4160 breakers blowing the primary 1/2a 4160v fuse on the control transformer causing the breaker to open and cut power to the buildings. so we replace the fuses and try to re energize the...