Transformer having leakage inductance control structure

Details Transformer having leakage inductance control structure Transformer having leakage inductance control structure

2007-09-11

2007-09-11

Mai, Anh (Department: 2832)

Inductor devices

Winding formed of plural coils

Two windings

C336S208000, C336S180000

Reexamination Certificate

active

11636613

ABSTRACT:
A transformer having a leakage inductance control structure includes a primary coil, a secondary coil formed at a selected coil ratio relative to the primary coil to transform voltage and output electric power, and a leakage inductance control coil which is wound on the secondary coil in an insulation manner according to a selected coupling efficiency and electrically connected to the primary coil. Through electromagnetic coupling of the leakage inductance control coil and the secondary coil a power control signal is output and sent to the primary coil to control leakage inductance of the primary coil.

REFERENCES:
patent: 4405913 (1983-09-01), Finkbeiner
patent: 4549130 (1985-10-01), Dobberstein
patent: 4968106 (1990-11-01), Ikeuchi et al.
patent: 6449178 (2002-09-01), Sakai et al.
patent: 6593836 (2003-07-01), LaFleur et al.
patent: 7180399 (2007-02-01), Chung
patent: 2006/0158908 (2006-07-01), Usui

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