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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: 240 V to 120 V Balanced posted by Spunkmeyer on January 30, 2007 at 09:01:35:
Yes, you can do what you propose.But a normal 480/249 by 240/120 single phase power transformer will work. Remember to derate by 50% and I advise twice as big of one as the load requires so four times the actual volt-amp load needed. Ask your electrician. They often have old ones they remove. Surprising what a case of Bud will get you:)
Wire the primary for 480VAC but feed it 240VAC. Wire the secondary for 240VAC but ground the X2/X3 junction. Take power from X1 and X4. Ground stays ground. I have had better luck with older transformers. GE has been good. New Acmes have terrible balance.
Russ
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- The cheap way - Russ57 10:45:01 01/30/07 (0)
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