In this paper the main technical data of the high speed camera(HSFC-PRO),components of gas triggered switch and the primary experimental results of the breakdown of gas triggered switch using high speed camera are int...In this paper the main technical data of the high speed camera(HSFC-PRO),components of gas triggered switch and the primary experimental results of the breakdown of gas triggered switch using high speed camera are introduced.Four photographs totaling in 24 nanoseconds in single trigger mode manifest that the breakdown consists of two phases,which are the breakdowns of the trigger electrode with positive and negative electrode successively. This phenomenon is consist with the electric field distribution simulation result with the help of the software ANSYS. Eight photographs in double trigger mode prove that the breakdown time of the gas triggered switch is above 10.5 microseconds.The elementary results show that high speed camera is a very efficient apparatus to study the discharge characteristics.This optical measuring technique is helpful to profoundly study the breakdown of high voltage switch. More studies and experiments would be continued in future.展开更多
SSRF is a third generation,3.5GeV synchrotron light source currently being constructed in Shanghai.The conceptual consideration of its timing system is described in this paper.Different storage ring filling patterns s...SSRF is a third generation,3.5GeV synchrotron light source currently being constructed in Shanghai.The conceptual consideration of its timing system is described in this paper.Different storage ring filling patterns such as single bunch pattern,multi-bunch filling pattern,mixed filling pattern and top-up pattern,demand a highly stable, low jitter timing system with the flexibility to recnfigure on programmable event driven basis.Based on the EPICS control system,the timing system provides digitally programmable sequencing and delay for the electron gun,the linac modulator,the booster and storage ring RF,the pulsed magnets,the instrumentation systems according to different operation pattern requirements.展开更多
文摘In this paper the main technical data of the high speed camera(HSFC-PRO),components of gas triggered switch and the primary experimental results of the breakdown of gas triggered switch using high speed camera are introduced.Four photographs totaling in 24 nanoseconds in single trigger mode manifest that the breakdown consists of two phases,which are the breakdowns of the trigger electrode with positive and negative electrode successively. This phenomenon is consist with the electric field distribution simulation result with the help of the software ANSYS. Eight photographs in double trigger mode prove that the breakdown time of the gas triggered switch is above 10.5 microseconds.The elementary results show that high speed camera is a very efficient apparatus to study the discharge characteristics.This optical measuring technique is helpful to profoundly study the breakdown of high voltage switch. More studies and experiments would be continued in future.
文摘SSRF is a third generation,3.5GeV synchrotron light source currently being constructed in Shanghai.The conceptual consideration of its timing system is described in this paper.Different storage ring filling patterns such as single bunch pattern,multi-bunch filling pattern,mixed filling pattern and top-up pattern,demand a highly stable, low jitter timing system with the flexibility to recnfigure on programmable event driven basis.Based on the EPICS control system,the timing system provides digitally programmable sequencing and delay for the electron gun,the linac modulator,the booster and storage ring RF,the pulsed magnets,the instrumentation systems according to different operation pattern requirements.
