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浅谈动车组冬季操纵方法
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作者 王丛庆 《广东蚕业》 2017年第10期14-14,共1页
动车组在东北地区由于冬季降雪影响,操纵不当易引发制动不及超速排风等事故。文章通过对动车组在冬季运行闸盘夹雪导致制动力低进行分析,结合现场操纵推敲模拟,总结动车组冬季操纵办法。
关键词 动车组 操纵 冬季 放超速
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Experimental Study of the Gas Triggered Switch's Breakdown by Optical Measurement
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作者 门涛 高景明 +1 位作者 刘列 文建春 《Chinese Physics C》 SCIE CAS CSCD 北大核心 2008年第z1期310-312,共3页
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
关键词 high voltage triggered switch discharge spark high speed camera synchronized trigger
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