High voltage power supply

Details High voltage power supply High voltage power supply

H - Electricity

02

M

H02M 7/10 (2006.01)

Patent

CA 2192632

A power supply for producing a high DC output voltage. The power supply comprises a primary winding and a secondary winding coupled together by a magnetic circuit. The secondary winding comprises a series of independent coils or turns. Each coil includes a rectifier element for converting the induced AC voltage into a DC voltage. The rectifier elements are connected in series to produce a high level DC voltage output signal, for example, a minimum 50 kV output. The secondary coils have a turns ratio such that the induced voltage is less than the Paschen minimum voltage for the gaseous medium surrounding the secondary coils. The power supply may be fabricated using surface mount technology or as a printed circuit board where the secondary coils are formed as tracks on the substrate.

limentation en courant produisant une tension de sortie CC élevée. L'alimentation comporte un enroulement primaire et un enroulement secondaire couplés par un circuit magnétique. L'enroulement secondaire comprend une série de bobines ou spires indépendantes. Chaque bobine comprend un élément redresseur pour convertir la tension CA induite en tension CC. Les éléments redresseurs sont reliés en série pour produire un signal de tension de sortie élevé, d'au moins 50 kV, par exemple. Le rapport de transformation est tel que la tension induite est inférieure à la tension minimale établie par loi de Paschen pour le milieu gazeux entourant les bobines secondaires. L'alimentation en courant peut être implantée par la technique de montage en surface ou en tant que carte de circuits imprimés, auquel cas les bobines secondaires sont sous forme de pistes sur le substrat.

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