CRAFTLHCD速调管激励源综合测试系统设计

Design of Integarted Test System for CRAFT LHCD Excitation Source of Klytrons

针对聚变堆低杂波电流驱动系统速调管激励源功能特性多样的特点和微波组件繁多的问题,设计了具备多参数测量和自分析诊断能力的速调管激励源综合测试系统。该系统的测量部分能够对速调管激励源输出微波信号的频率特性、开关特性、功率特性和移相特性进行实时检测;其控制诊断部分的设计基于PXI系列工控硬件和Qt集成开发环境,能够对测试过程进行全局规划调度、数据采集存储和智能故障诊断,并能生成测试报告。实际运行表明,该综合测试系统可以24h连续无人化工作,提高了速调管激励源的测试和故障诊断效率。

For the purpose of working out the problems of various functions and microwave components of klystron excitation sources for CRAFT LHCD,a comprehensive testing system of klystron excitation source with the ability of multi-parameter measurement and self-analysis and diagnosis was designed.The measuring part of the system can detect the frequency characteristic,switching characteristic,power characteristic and phase shifting characteristic of the microwave signal output from the klystron excitation source in real time.The design of the control diagnosis part is based on the PXI series industrial control hardware and the Qt integrated development environment.Carry out global planning and scheduling,data collection and storage and intelligent fault diagnosis for the test process,and can generate test reports.The actual operation shows that the integrated test system can work continuously for 24 hours without unmanned operation,which improves the efficiency of test and fault diagnosis of the klystron excitation source.