期刊论文

中文

原子能科学技术

1000-6931

2015

49

1

166-170

10.7538/yzk.2015.49.01.0166

本校为第一机构

弧电源是中性束注入加热系统中最关键的设备之一,它的性能决定了弧放电的稳定性及束流引出的品质。为提高弧放电稳定性,降低电网容量,减少对电网的冲击,弧电源拓扑设计采用了基于超级电容储能和开关电源技术的DC/DC变换器结构。利用多个IGBT功率模块并联工作,可提高电源工作频率,实现更快的动态响应速度。在详细分析电源工作过程的基础上,设计了滤波电路和电流快速转移电路,根据电源的要求和具体参数,由一阶RL电路的电流响应特性,精确计算出滤波电感的最小值。最后,利用Matlab对电源性能指标进行了仿真验证,结果表明电源性能完全符合设计要求。

The arc power supply is one of the most important equipments for neutral beam injection system .The stability of arc discharge and the quality of ion beam extrac‐tion were determined by its performance .For improving stability of the arc discharge , reducing the power network capacity and decreasing impulse on power network , the topology of the arc power supply applied the structure of DC/DC converter based on technology of super capacitor energy storage and switching power supply .Several IGBT power modules are operated in parallel ,and it c...