PMU在线分析系统计算平台技术研究

摘要

This paper presents a hybrid high-speed computing technology of a large amount of data transmission and high real-time computing design in the on-line PMU application system.It describes technological requirements for the design,providing the computation platform designing scheme which includes the real-time Linux kernel technology,the high reliable hot standby cluster technology,the RDMA-based high-bandwidth,low-latency communication technology,the high-performance MPI parallel computing technology and the GPU programming technology.The implementation method is also given in the paper.The performance indicators such as the calculation cycle and overall system control delay were tested through a closed-loop simulation test.Testing results prove that the platform meets the design requirements.%主要介绍了PMU在线应用系统的计算平台技术,说明了大数据量传输和实时计算整体设计方案,介绍了使用的Linux实时内核技术,高可靠的双机热备集群技术,基于RDMA的高带宽、低延迟的通信技术,高性能MPI并行计算技术以及GPU编程技术等内容,提供了平台的实现方法.最后说明了闭环仿真测试对计算周期和整组延时等指标进行测试的情况.试验结果表明,在线计算平台满足PMU分析系统的需要.