期刊论文

Chen, Wenguang(tocwg6666@126.com)

中文

高电压技术

1003-6520

2017

43

6

1887-1892

10.13336/j.1003-6520.hve.20170527019

Project supported by National ITER Fusion Development (2012GB104000), National Natural Science Foundation of China (11675074).

本校为第一且通讯机构

为了提高兆瓦级中性束注入器束流引出成功率及品质,利用IGBT能快速开关及其高载流能力的特点研制了全固态抑制极电源。该电源主要由10个500 V/20 A的模块电路依次串联组成,每个模块由隔离变压器、整流滤波、IGBT管及其驱动电路、续流二极管及辅助供电组成。各模块间通过光纤由嵌入式系统STM32实现参数设置、控制和保护监测。同时对抑制极电源与加速极电源及三电极加速器之间的连接及保护方式进行分析,在极间打弧状态,并满足最小抑制时间13 ms的情况下,优化计算得到储能电容最小值为500 μF及串接保护电阻为200 Ω。通过测试,可得电源单独输出电压达到5 kV,峰值电流40 A,能在20 μs内快速保护关断...

The success rate and quality of the neutral beam extraction are determined by the ability of suppressed electron and the reliability of the suppressed grid power supply (SGPS). The full solid SGPS is developed based on IGBT's characteristics of the 5 MW level neutral beam injection (NBI) on HL-2M Tokomak. The power supply consists mainly of 10 modules in series, with index 500 V/20 A. Each of the modules has the isolated transformer, the rectifier, the filter, IGBT switch, drive circuit, diode, and auxiliary DC source. The embedded systems STM3...