Study and Implementation of High Voltage Power Supply for X-ray Generator

• Main Authors: Chia-LunLiu, 劉加侖
• Other Authors: Jiann-Fuh Chen
• Format: Others
• Language: zh-TW
• Published: 2010
• Online Access: http://ndltd.ncl.edu.tw/handle/31444008637560923764

碩士 === 國立成功大學 === 電機工程學系碩博士班 === 98 === In this thesis, a high voltage power supply for X-ray generator is studied and implemented. X-ray power supply is composed of high voltage power supply and filament circuit. The high voltage power supply consists of a full-bridge converter, a series resonant tank, a high step-up transformer and a voltage multiplier, which utilizes phase-shift control scheme to control the power supply for achieving high voltage output. The filament circuit employs push-pull topology to generate preheated power. When the filament is preheated and the high voltage output terminal is crossed on X-ray’s anode and cathode, the X-ray tubes is derived. Finally, a laboratory full-bridge prototype of 50-100 kV with adjustable voltage output and a push-pull circuit for the filament circuit of output voltage 3-5 V has been implemented to verify the theoretical analysis. Keywords：X-ray generator, full-bridge phase-shifted, voltage multiplier, filament preheater, high-voltage power supply