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直流束流变压器(DCCT)作为束流诊断系统中的一种重要的测量平均束流流强的装置,在加速器运行过程中是必不可少的。它采用无拦截束流测量原理,可长时间在线测量束流,是一种非常实用的在线束流流强测量装置。目前,已完成DCCT系统的桌面试验,通过100min在线模拟测量,系统稳定性较好,最大测量误差好于±0.2%。实现了0～10mA强流注入束的模拟测量。
As an important measure of the average beam current in a beam diagnostic system, a DC-DC transformer (DCCT) is essential during accelerator operation. It adopts the principle of non-intercepted beam measurement and can measure the beam online for a long time. It is a very practical device for measuring the beam current intensity. At present, the desktop test of the DCCT system has been completed. The system stability is good with 100min online simulation measurement and the maximum measurement error is better than ± 0.2%. The simulation measurement of 0 ~ 10mA high current injection beam is realized.