FIELD: electrical engineering; heavy-current equipment, resistance-welding apparatuses, feeding induction furnaces, etc. SUBSTANCE: transformer has primary winding 2 wound on toroidal core 1 and secondary winding 3 wound around primary one and made of bundles of noninsulated flexible conductors building up insulated coils 4, 5, 6 and fan-shaped in transitions from hole to outer surface of toroidal core 1 and back to hole. EFFECT: facilitated manufacture, reduced size and loss. 3 cl, 1 dwg
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|---|---|---|---|
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|
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RU2605769C1 |
