High leakage inductance transformer

Details High leakage inductance transformer High leakage inductance transformer

1998-12-04

2000-08-08

Donovan, Lincoln

Inductor devices

Winding formed of plural coils

336181, 336182, H01F 2728

Patent

active

061007811

ABSTRACT:
A transformer, particularly for a voltage converter, has a primary winding having a predeterminable leakage inductance and at least one secondary winding magnetically coupled to the primary winding with a predetermined voltage-transformation ratio. The (primary) leakage inductance is increased as compared with a conventional transformer without violating the limits for implementing an appropriately functioning transformer, and without choosing an additional coil or a larger core than is required for the power transformation, in that the primary winding comprises at least two winding sections whose magnetic couplings to the at least one secondary winding are implemented such that they operate in mutually opposite senses and are arranged such that they are at least substantially magnetically decoupled from one another.

REFERENCES:
patent: 3445928 (1969-05-01), Beynon
patent: 4166264 (1979-08-01), Starr
patent: 4902942 (1990-02-01), El-Hamamsy

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