Dry-type transformer with windings cast in casting resin

Details Dry-type transformer with windings cast in casting resin Dry-type transformer with windings cast in casting resin

1983-08-05

1985-06-11

Pellinen, A. D.

Inductor devices

With outer casing or housing

Potted type

336 60, 336205, H01F 2702

Patent

active

045231710

ABSTRACT:
A dry-type transformer cast into casting resin, includes windings, a main leakage canal, at least one of the windings being subdivided into coaxial winding parts spaced apart from each other defining an additional axial cooling canal therebetween, separate inner and outer casting resin bodies each having end faces and being cast around a respective one of the winding parts, reinforcements formed on diametrically opposite outer surface regions of the outer casting resin body for receiving axially extended connecting conductors for electrically wiring the winding parts, line terminals and tap terminals disposed on respective reinforcements, and elastic blocks common to all of the windings and winding parts between which the winding parts of a respective winding are clamped and metallically interconnected in front of the end faces of the casting resin bodies.

REFERENCES:
patent: 2677810 (1954-05-01), Lennox
patent: 2685677 (1954-08-01), Paluev
patent: 2756397 (1956-07-01), Cederstrom et al.
patent: 2783441 (1957-02-01), Camilli et al.
patent: 4129938 (1978-12-01), Hagenbucher

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