基于PLC的HL-3装置中性束逻辑控制系统设计  

Design of Logical Control System of Neutral Beam Injection on HL-3 Tokamak Based on PLC

作　　者：余珮炫 周红霞[1] 万银祥 YU Peixuan;ZHOU Hongxia;WAN Yinxiang(Southwestern Institute of Physics,China National Nuclear Corporation,Chengdu 610041,Sichuan,China)

机构地区：[1]中国核工业集团公司核工业西南物理研究院,四川成都610041

出　　处：《南方能源建设》2024年第3期152-158,共7页Southern Energy Construction

基　　金：国家自然科学基金联合基金项目“强流长脉冲负氢离子源引出束综合性能优化研究”(U19A20112);四川省科技计划“负氢离子源中电子行为对负氢离子产生效率的研究”(2022JDRC0094);西物创新行动计划“7 MW中性束束线高功率离子源技术研究”(202301XWCX002)。

摘　　要：[目的]中性束注入(NBI)是中国环流三号(HL-3)托卡马克装置重要的等离子体加热和电流驱动手段。NBI加热系统是涉及真空、电力电子、机械、自动控制、气体放电等多学科、多领域的复杂系统。控制系统是NBI加热系统可靠运行的基本保证,可实现对加热系统现场设备的远程控制、运行状态的实时监控和放电实验的逻辑控制。[方法]根据NBI加热束线控制需求确定PLC系统的硬件配置,组建了以西门子S7-416为主控制器,以Profibus-DP网络和工业以太网为基础,以光纤为传输介质的分布式I/O系统。采用组态软件STEP7实现硬件组态、通信连接和程序编写,利用界面软件WinCC完成集中管理、过程监控和信息归档。[结果]PLC系统能够实时监控现场设备状态,与NBI控制系统进行数据交换,指导现场设备稳定运行。此外,图形化的用户界面使得实验过程可视化,真空值、流量和温度的实时显示,为实验运行人员提供了及时的状态信息。[结论]整个PLC系统高效可靠,重复性好,具有良好的兼容性和可扩展性,实现了对NBI束线现场设备的监测和控制。[Introduction]Neutral beam injection(NBI)is an important means of plasma heating and current driving on HL-3 Tokamak.The NBI heating system involves multiple disciplines and fields such as vacuum,power electronics,mechanics,automatic control,and gas discharge.The control system is the basic guarantee for the reliable operation of the NBI heating system,enabling remote control of the field equipment of the heating system,the real-time monitoring of the running state,and the logic control of the discharge experiment.[Method]The hardware configuration of the PLC system was determined based on the requirement of NBI heating beamline,and the distributed I/O system was set up with Siemens S7-416 as the main controller,Profibus-DP network and industrial Ethernet as the basis,and optical fiber as the transmission medium.Configuration software STEP7 was used to realize hardware configuration,communication connection,and program writing,and interface software WinCC was used to complete centralized management,process monitoring,and information archiving.[Result]The PLC system can monitor the field equipment status in real time,exchange data with the NBI control system,and instruct field devices to work stably.In addition,the graphical user interface can realize the visualization of experiment processes and real-time display of vacuum value,flow rate,and temperature,providing timely state information for operators.control the field equipment of the NBI beamline.

关 键 词：HL-3装置 中性束注入 PLC 现场总线 实时监控 

分 类 号：TL4[核科学技术—核技术及应用] TL629