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托卡马克放电不仅要求良好的装置和器壁条件,而且还要求准确的送气动态量。不同实验条件要求不同的送气方式和送气量,其大小是由控制系统的脉冲宽度、间隔时间等因素决定的。因此,需要有一个可靠、灵活、准确和稳定重复的自动送气系统替代手动的脉冲控制器。为了满足不同物理实验和放电参数对电子密度的要求,研制了HL-1M装置的微机程序送气系统。经过3年来的运行,实践证明系统的性能良好,保证了众多物理实验的顺利开展。
Tokamak discharge not only requires good device and wall conditions, but also requires accurate air supply dynamic quantity. Different experimental conditions require different air supply and air supply, the size of the control system by the pulse width, interval time and other factors. Therefore, there is a need for a reliable, flexible, accurate and stable repetitive automatic air supply system instead of a manual pulse controller. In order to meet the requirements of different physical experiments and discharge parameters on electron density, a microcomputer-based air supply system of HL-1M device was developed. After three years of operation, the practice has proved that the performance of the system is good, ensuring the smooth development of many physical experiments.