High voltage transformer with secondary coil windings on opposin

Details High voltage transformer with secondary coil windings on opposin High voltage transformer with secondary coil windings on opposin

1997-07-01

1998-12-08

Pascal, Robert

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Transformer in the supply circuit

315278, 336182, H05B 4116

Patent

active

058475184

ABSTRACT:
A high voltage transformer comprising a core with a closed magnetic flux path formed by at lease two core parts, at least two bobbins mounted on the side legs of the core, a primary coil and a secondary coil. The bobbin has a hollow through hole to receive the side leg, a low voltage side flange and a high voltage side flange at end portions. The primary coil is inserted in the low voltage side flange, and the secondary coil is regularly and orderly wound on the bobbin between the low voltage side flange and the high voltage side flange. The winding direction of the secondary coil of one of the bobbins is opposite to that of the secondary coil of the other bobbin. The regularly and orderly wound coil and the opposite winding directions decrease the potential difference between the adjacent turns in the second coil and minimize the potential difference between the opposing turns of the secondary coils which are placed parallel to each other. As a result thereof, an internal short-circuiting of a high voltage transformer due to the discharge between the adjacent turns or the opposing turns can be effectively prevented.

REFERENCES:
patent: 3489975 (1970-01-01), D'Entremont
patent: 4187450 (1980-02-01), Chen
patent: 5550437 (1996-08-01), Hopkins et al.

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