A high-current pulse forming network (PFN) has been developed for applications to artificial solar-wind generation. It is switched by staticinduction thyristor (SIThy) and is capable of generating pulsed current of ~...A high-current pulse forming network (PFN) has been developed for applications to artificial solar-wind generation. It is switched by staticinduction thyristor (SIThy) and is capable of generating pulsed current of ~9.7 kA for a time duration of ~1 ms. The SIThy switch module ismade that it can be controlled by an optical signal and it can be operated at elevated electrical potential. The experiments reported in this paperused two switch modules connected in series for maximum operating voltage of 3.5 kV. The experimental results have demonstrated a pulsedhigh-current generator switched by semiconductor devices, as well as the control and operation of SIThy for pulsed power application.展开更多
为了将脉冲成形网络(Pulse Forming Network,PFN)进行模块化集成,更灵活地实现电磁发射系统的扩容与监控,提出了一种基于CAN(Controller Area Network)总线的电磁发射测控系统实现方案;首先根据电磁发射装置的具体要求和CAN总线通信协...为了将脉冲成形网络(Pulse Forming Network,PFN)进行模块化集成,更灵活地实现电磁发射系统的扩容与监控,提出了一种基于CAN(Controller Area Network)总线的电磁发射测控系统实现方案;首先根据电磁发射装置的具体要求和CAN总线通信协议特性,制定了CAN总线应用层通讯协议,开发了基于Visual C#的上位机监控软件,实现了远程监控;然后通过对CAN总线节点固件程序的特殊设计及在高电压、大电流及强磁场极端环境中的电磁兼容设计,保障了总线测控系统的可靠性与安全性;实验结果表明:该测控系统具有网络化、模块化、智能化等优点,为电磁发射系统的模块化集成设计提供了一条新途径。展开更多
A 40kV/6kA pulsed power supply was designed for the Rapid Cycling Synchrotron(RCS)extraction kicker magnet of the China Spallation Neutron Source.The calculation of the pulsed power supply's parameters,the design ...A 40kV/6kA pulsed power supply was designed for the Rapid Cycling Synchrotron(RCS)extraction kicker magnet of the China Spallation Neutron Source.The calculation of the pulsed power supply's parameters,the design of power supply's system,the optimization of pulse forming network(PFN)are introduced in this paper.The magnet current pulse waveform is simulated by PSpice program in the situation of 36.5kV charging voltage.The simulation explains the influence of the PFN section number and the transmission cable length on the magnet current pulse.展开更多
文摘A high-current pulse forming network (PFN) has been developed for applications to artificial solar-wind generation. It is switched by staticinduction thyristor (SIThy) and is capable of generating pulsed current of ~9.7 kA for a time duration of ~1 ms. The SIThy switch module ismade that it can be controlled by an optical signal and it can be operated at elevated electrical potential. The experiments reported in this paperused two switch modules connected in series for maximum operating voltage of 3.5 kV. The experimental results have demonstrated a pulsedhigh-current generator switched by semiconductor devices, as well as the control and operation of SIThy for pulsed power application.
文摘A 40kV/6kA pulsed power supply was designed for the Rapid Cycling Synchrotron(RCS)extraction kicker magnet of the China Spallation Neutron Source.The calculation of the pulsed power supply's parameters,the design of power supply's system,the optimization of pulse forming network(PFN)are introduced in this paper.The magnet current pulse waveform is simulated by PSpice program in the situation of 36.5kV charging voltage.The simulation explains the influence of the PFN section number and the transmission cable length on the magnet current pulse.