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switchboard voltages 270/127V ?
Thank you "busbar" for your early reply. I would assume that the switchboard nominal voltage is 220/127V instead of 270/127V. Then all other busbar voltages applied make sense. The transformer ratio 480/270V might have misled the drawer? I just wonder why such ratio has originally...- sahkotekniikka
- Post #3
- Forum: Electric power & transmission & distribution
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switchboard voltages 270/127V ?
Can anybody explain backround for voltages used in a Mexican power plant: Auxiliary transformer 480/270V Dyn (secondary winding star point solidly grounded) Switchboard has voltage ratings: 270/127V I could understand voltages 240/120V as used in US influenced countries but 270/127V? It...- sahkotekniikka
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- Replies: 3
- Forum: Electric power & transmission & distribution
