High frequency transformer with a printed circuit winding in par

Details High frequency transformer with a printed circuit winding in par High frequency transformer with a printed circuit winding in par

1988-11-18

1990-12-11

Kozma, Thomas J.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

336183, 336184, 336200, 336232, H02M 300, H01F 2730

Patent

active

049774913

ABSTRACT:
A high frequency transformer is made on a magnetic circuit which can be of a generally square shape. The secondary windings are made on printed circuit plates, separated by insulators and traversed perpendicularly by the core or cores of the magnetic circuit. The primary winding can be wound directly on such a core. The transformer is applicable in particular to high frequency very high voltage power supplies, in particular of the type termed "flyback" power supplies.

REFERENCES:
patent: 2988715 (1961-06-01), Gizynski et al.
patent: 3238480 (1966-03-01), Killonan
patent: 3419834 (1968-12-01), McKechnie et al.
patent: 3851287 (1974-11-01), Miller et al.
patent: 3904928 (1975-09-01), Sawada et al.
patent: 4012703 (1977-03-01), Chamberlayne
patent: 4039924 (1977-08-01), Scales et al.
patent: 4066955 (1978-01-01), Sothers
patent: 4201965 (1980-05-01), Onyshkerych
patent: 4517540 (1985-05-01), McDougal
patent: 4547961 (1985-10-01), Bokil et al.
patent: 4622627 (1986-11-01), Rodriguez et al.
IBM Technical Disclosure Bulletin, "Multiple Output Planar Transformer", Wallace, vol. 24, No. 8, Jan. 1982, pp. 4287-4290.
1-MHz Resonant Converter Power Transformer is Small, Efficient, Economical, Alex Estrov, PCIM, Power Conversion Intelligent Motion, Intertech Communication, Aug. 1986, pp. 14+.

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