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Design and preliminary results of beam return on of high power ion source

谢亚红  胡纯栋  蒋才超  潘军军  赵远哲  梁立振  韦江龙  刘胜  许永建  谢远来  刘智民  
【摘要】:Long pulse operation of high power ion source is the requirement of fusion science research on neutral beam injector.A breakdown of accelerator column is drastically increased when operating with high beam energy and long beam duration.To extend the pulse length,which was stopped with every breakdown so far,the beam re-starting technology was developed and utilized.As a result,the voltage drop of every power supply due to breakdown was recovered within a time of 90 ms and beam pulse length was extended much longer than the case before this improvement.The details of the beam re-starting technology and the preliminary results were presented in this manuscript.

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