High-voltage power supply

Details High-voltage power supply High-voltage power supply

H - Electricity

02

M

H02M 3/337 (2006.01) H02M 3/28 (2006.01) H02M 7/00 (2006.01) H02M 7/10 (2006.01) H02M 7/25 (2006.01)

Patent

CA 2504438

A high-voltage power supply (10) includes: a power scaling section (130) that receives an input voltage signal and converts the input voltage signal to a controllable DC voltage; a push-pull converter (140) for converting the controllable DC voltage to a high-frequency wave; and a voltage multiplier (200) receiving the high-frequency wave generated by the push-pull converter (140) and performing successive voltage doubling operations to generate a high- voltage DC output. In one implementation, the voltage multiplier (200) receives a square wave having a frequency of approximately 100kHz and outputs an adjustable DC voltage of approximately 0-to-30kV. In one implementation, the high-voltage power supply (10) includes an insulation system (250) for the voltage multiplier module (200), such an insulation system being formed on n insulating layers and m conducting strips positioned between successive insulating layers.

L'invention concerne une alimentation (10) haute tension comprenant une section (130) de réduction de puissance recevant un signal de tension d'entrée et convertissant le signal de tension d'entrée en une tension C.C. réglable; un convertisseur push-pull (140) servant à convertir la tension C.C. réglable en une onde haute fréquence; et un multiplicateur (200) de tension recevant l'onde haute fréquence générée par le convertisseur push-pull (140), et exécutant des opérations de doublage de tension successives afin de générer une sortie C.C. haute tension. Dans un mode de réalisation, le multiplicateur (200) de tension reçoit une onde carrée avec une fréquence d'approximativement 100kHz, et génère une tension C.C. réglable d'approximativement 0 à 30kV. Dans un mode de réalisation, l'alimentation (10) haute tension comprend un système isolant (250) pour le module (200) du multiplicateur de tension, par exemple un système isolant formé sur n couches isolantes et m bandes conductrices positionnées entre les couches isolantes successives.

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