| 摘要 |
The present invention describes how in a high voltage transformer for a television receptor instance, it is known to place upon a coil former, a plurality of auxiliary primary windings, upon last one a bushing to form a flat base for primary winding which is thereupon, and upon primary winding, high voltage winding in form of a chamber-type winding. Primary winding is wound with multiple braided wire instead of with solid cooper wire, particularly at a high line frequency of 32 kHz, for example HDTV, in order to reduce surface and cooper looses which increase with high frequency. Nevertheless, that winding made of multiple braided wire is more expensive than a winding made of solid wire by a factor of approximately 7. The object is to develop a transformer of this kind in such a way that solid wire may be used instead of a multiple braided wire, and independently of this, fulfilling coupling and losses requirements. According to the present invention, primary winding P is wound from a plurality of layers (P1, P2) made of solid wire, which are one upon the other, and a bushing (5) made of a dielectric material is located between each two layers. Particularly it is a high voltage transformer for a television receptor at a high line frequency of 32 kHz.
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