一种高压直流输电保护与控制国产化硬件平台的功能研究与实现

Research and implementation of domestic hardware platform functionality for protection and control in HVDC transmission systems

为提升高压/特高压直流输电保护与控制设备的国产化水平,设计与研制了自主可控的国产化保护与控制硬件平台。该平台基于高压直流输电保护与控制硬件平台架构和应用功能,采用国产元器件与国产嵌入式实时操作系统(real-time operating system,RTOS),结合高速串行背板总线技术、高速时分复用通信技术(high-speed time division multiplexing communication,FTDM)与图形化编程等技术,具备高性能的采集测量、计算处理、控制输出与高速率通信连接能力。与国外企业采用的高压直流输电保护与控制硬件平台以及国产现有平台的性能指标进行了对比,并进一步介绍了平台级、装置级、系统级数字动模试验验证与工程应用情况。结果表明,所研制的国产化保护与控制硬件平台工作稳定可靠,可满足高压/特高压直流输电工程应用需求。

In order to improve the the domestic technology level of HVDC/UHVDC transmission protection and control equipment,an autonomous and controllable domestic protection and control hardware platform is designed and developed.This platform is based on the architecture and application functions of HVDC transmission protection and control hardware platform,adopts domestic components and domestic embedded real-time operating system(RTOS),and combines with high-speed serial backplane bus technology,high speed time division multiplexing communication(FTDM)technology and graphical programming technology,possessing the capabilities of high-performance acquisition and measurement,calculation and processing,control output and high-speed communication connection.The performance indexes of the platform proposed are compared with that of foreign enterprises’HVDC transmission protection and control hardware platforms and the domestic existing platform.Digital dynamic simulation test verification and engineering application from platform level,device level,and system level are further introduced.The results show that the developed platform works stably and reliably,and can meet the requirements of engineering applications of HVDC/UHVDC transmission.This work is supported by the Science and Technology Project of State Grid Corporation of China(No.5100-202155031A-0-0-00).