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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Faraday's law sez you're increasing the wrong rating posted by jcox on June 21, 2004 at 19:16:41:
you really have to change the # turns / core area ratio to reduce Bmax, a larger VA rated xfrmer will have about the same ratioa possible 240Vac tweak: series 2 identical standard off-the-shelf 240 Vac xfmrs pri with 60 VCT secondaries paralleled (to insure proper pri voltage division) and get 30 VCT - more than 2X VA over size rating for each xfmr should be more than enough, physically smaller xfmrs leakage flux falls off more rapidly with distance
i second the remarks about EI split bobin construction giving superior line isolation vs toroids
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Follow Ups
- just ask for a reduced Bmax core/winding combination - jcox 07:58:14 06/22/04 (0)
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