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Hi All, I do electrical design for a company that does a lot of paralling switchgear. Now, its been yearssssss since I have done this. I am looking on the internet to help refresh my mind how this all works, on a simplified level. First question: Can anyone explain what is the "Running Bus"...

Thanks a lot Waross![thanks]

Hello All, I need to create template drawings for various voltage transformer connections....ie: Delta, Wye for 2 VT and 3VT for 3 phase, 4 wire system. I'm kinda stuck on the 2 VT connections. 1) When you have 2 VT's, are they always Delta? 2) If there is an open-delta system, is there such a...