适用于医用X光机电源的一种新型电压倍增器  

A Novel Voltage Multiplier for X-ray Power Supply

作　　者：唐治德[1] 杨红[1] 王官涛[1] 张正茂[1] 

机构地区：[1]重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆400044

出　　处：《生物医学工程学杂志》2011年第5期946-950,共5页Journal of Biomedical Engineering

基　　金：重庆大学输配电装备及系统安全与新技术国家重点实验室2009年度研究项目2007DA10512709303

摘　　要：本文针对X光机电源提出了一种新型电压倍增器———串联三相双向对称电压倍增器。它由三只单相双向对称电压倍增器按平滑电容列首尾依次串联组成。该电压倍增器在每个高频电源周期内完成了6次充放电,因而输出电压的纹波频率是驱动电源频率的6倍。这种电压倍增器比单相双向电压倍增器输出电压大3倍,纹波因数小1/3;比串联三相对称电压倍增器的输出压降小,响应速度快。仿真结果证实了该串联三相双向对称电压倍增器的优良性能。In this paper, a seriesly connected three phase bipolar symmetrical voltage multiplier（VM） is proposed, which is a novel VM for X-ray power supply. It consists of three single phase bipolar symmetrical VM, which are connected in series at their smoothing columns. The charging and discharging process occurs six times in a cycle and the frequency of the output voltage ripple is six times as large as the drive signal frequency. The proposed VM has three times larger output voltage and three times smaller ripple factor as compared to single phase bipolar symmetrical VM, and smaller voltage drop and faster dynamic response than those of the series connected three phase symmetrical VM. The simulation is provided to show the feasibility of proposed VM.

关 键 词：X光机电源 电压倍增器 纹波频率 纹波因数 

分 类 号：TM41[电气工程—电器]