基于超级电容储能的中性束注入系统弧电源设计  

Design of Arc Power Supply for Neutral Beam Injection System Based on Super Capacitor Energy Storage

作　　者：阳璞琼[1,2] 宣伟民[1] 曹建勇[1] 李青[1] 刘晓龙[1] 

机构地区：[1]核工业西南物理研究院,四川成都610041 [2]南华大学电气工程学院,湖南衡阳421001

出　　处：《原子能科学技术》2015年第1期166-170,共5页Atomic Energy Science and Technology

摘　　要：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 can improve the arc power supply’s oper‐ating frequency and dynamic response .A filter circuit and a current fast transferring cir‐cuit were designed based on a detailed analysis on working process of the arc power sup‐ply .According to the requirements and parameters of the arc power supply ,and the current response of RL first order circuit ,the minimum filter inductances were accurate‐ly calculated .Finally ,using the model and Matlab ,the performance of the arc power supply was simulated and verified ,and it meets the design requirement .

关 键 词：超级电容 弧放电 中性束注入 强流离子束 直流变换器 

分 类 号：TL623[核科学技术—核技术及应用]