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| Subject: | Re: LF: Stacking toroids |
| From: | Markus Vester <[email protected]> |
| Date: | Fri, 24 Mar 2017 15:47:35 -0400 |
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Yes Chris, this will work. Doubling the core cross section will halve the flux density, and reduce the per-core dissipation by at least a factor of four. The improvement may be more if the flux was so high that losses were dominated by hysteresis (up to a factor of 8). Hello LF people,73, Markus (DF6NM) -----Ursprüngliche Mitteilung----- Von: Chris Wilson <[email protected]> An: rsgb_lf_group <[email protected]> Verschickt: Fr, 24. Mrz 2017 20:15 Betreff: LF: Stacking toroids If I have a ferrite toroidal output transformer for a push pull Class D 136kHz amp, that gets warmish after a WSPR15 session, what would happen if I wound the same number of primary and secondary turns on two cores stacked together, all else remaining the same? Would it run cooler, but retain its transformation ratio, or would other things occur to make it not that simple? Thanks. -- Best regards, Chris 2E0ILY mailto:[email protected] |
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