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Thanks, those are great points!

I'd like some feedback on an issue I'm having. I want to upgrade the automatic transfer switch we're using for the substation station service AC feeds. The station service transformers from each bus need to feed into an ATS which should feed into an AC load center panel. In the past, we have let...

yes, it's for a distribution station. someone asked me what would happen if the station service transformers fed from phases A & C respectively some how were briefly in parallel. All I could say is I think that would be bad; but I want a more informed opinion of exactly what would happen...

That's what I always thought, but I've never seen that mistake made or an explanation on paper of the consequences.

This question is mainly in regards to consequences. I have a station service throw-over scheme to put in service; and I'm wondering what happens if it's connected wrong. I'm talking phase A station service tx on the normal and accidentally using phase C station service tx on the emergency...