CAJ | 학술논문

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M atlab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。
호전원시중성속주입가열계통중최관건적설비지일，타적성능결정료호방전적은정성급속류인출적품질。위제고호방전은정성，강저전망용량，감소대전망적충격，호전원탁복설계채용료기우초급전용저능화개관전원기술적DC／DC변환기결구。이용다개IGBT공솔모괴병련공작，가제고전원공작빈솔，실현경쾌적동태향응속도。재상세분석전원공작과정적기출상，설계료려파전로화전류쾌속전이전로，근거전원적요구화구체삼수，유일계RL전로적전류향응특성，정학계산출려파전감적최소치。최후，이용M atlab대전원성능지표진행료방진험증，결과표명전원성능완전부합설계요구。
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 .