摘要
描述了国内第一个具有偏滤器的大型托卡马克装置的大功率脉冲磁场电源系统。电源主回路主要由飞轮脉冲发电机、整流变压器、晶闸管变流设备、硅整流器、开关网络等组成。通过采用多项关键技术措施,解决了硅整流器直接并联下两发电机输出平衡,并联多个整流器的电流平衡,适合大频率范围动态变化的恒角移相控制,大电流六相整流器全关断检测,先进的监控和脉冲高压强流检测等难题。实验结果表明,其性能指标很好地满足了装置实验的要求。
The high power pulsed magnetic power supply system of HL-2A is introduced in this paper.HL-2A is the first large Tokamak device with diverter in China.The main circuit of power supply is made up of pulsed generators with flywheel,rectifier transformers,thyristor converters,diode rectifiers and switches.Many key technologies such as output balance technology of two generators with diode rectifiers paralleled directly,current balance technology of paralleled rectifiers,constant-angle phase shift control technology which is adequate for dynamic change in large frequency range,all-turn-off detection of six-phase rectifier with high current,advanced monitoring system and measurement of pulsed high voltage and high current are adopted in HL-2A power supply system.The experimental results show that the performance of power supply can satisfied the requirement of experiment very well.
出处
《电力电子技术》
CSCD
北大核心
2007年第3期60-63,共4页
Power Electronics
关键词
脉冲电源
磁场/电流平衡
恒角移相
pulsed power supply
magnetic field/current balance
constant-angle phase shift
