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
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
The principle of Marx-pulse forming networks(PFN)is introduced in this paper.The PSpice simulation result of the Marx-PFN is presented and a smooth waveform is obtained in the condition of equal capacitance.Through op...The principle of Marx-pulse forming networks(PFN)is introduced in this paper.The PSpice simulation result of the Marx-PFN is presented and a smooth waveform is obtained in the condition of equal capacitance.Through optimizing the parameters of the networks,a 4-stage Marx-PFN has been built,a 40kV output with a FWHM of 3μs and a fiat-top of 2μs is obtained on the marched resistance of 18Ωwhen the Marx-PFN is changed to 20kV.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.
文摘The principle of Marx-pulse forming networks(PFN)is introduced in this paper.The PSpice simulation result of the Marx-PFN is presented and a smooth waveform is obtained in the condition of equal capacitance.Through optimizing the parameters of the networks,a 4-stage Marx-PFN has been built,a 40kV output with a FWHM of 3μs and a fiat-top of 2μs is obtained on the marched resistance of 18Ωwhen the Marx-PFN is changed to 20kV.
