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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Stacking transformer posted by Tube747 on March 21, 2017 at 04:05:31:
Please remember that when stacking transformers you can get weird and/or unpredictable results if you do not connect primaries and/or secondaries in parallel.
In other words, if you connect in parallel the outputs (in order to double the VA output), you might also connect in series the two primaries to adapt for example from 110V to 220V AC mains.
If you connect in parallel the AC mains inputs then you might as well connect in series the outputs to double the voltage.
If you ever connected in series primaries and secondaries it will be pure fun: more or less the same unpredictable voltage division that happens when connecting in series similar capacitors without parallel resistors.
In case of tight mechanical stacking do not forget the magnetic forces that tend to vibrate the assembly. The mechanical forcse are strong also in case of toroids (even though the magnetic leakage is very low), as the magnetic vector potential is wild across the toroid center...
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Follow Ups
- RE: Stacking transformer - 6AS7_6SN7 10:47:53 03/21/17 (1)
- Also Phasing - ruin the transformer - gusser 11:47:52 03/21/17 (0)
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