This article studies the fault recorder in power system and introduces the Comtrade format. Andituses C++ programming to read recorded fault data and adopts Fourier analysis and symmetrical component method to filter ...This article studies the fault recorder in power system and introduces the Comtrade format. Andituses C++ programming to read recorded fault data and adopts Fourier analysis and symmetrical component method to filter and extract fundamental waves. Finally the effectiveness of the data processing method introduced in this paper is verified by CAAP software.展开更多
列车事件记录显示单元(ERDU:Event Record Display Unit)作为监视列车安全运行的重要组成部分,是完成人与列车其他设备的信息互换的重要媒介,是司机做出决策并对相关系统进行控制和监视的终端设备。设计的硬件选自国外的先进设备,硬件...列车事件记录显示单元(ERDU:Event Record Display Unit)作为监视列车安全运行的重要组成部分,是完成人与列车其他设备的信息互换的重要媒介,是司机做出决策并对相关系统进行控制和监视的终端设备。设计的硬件选自国外的先进设备,硬件核心基于Freescale MPC5200B处理器,嵌入Linux操作系统。在外国先进设备的基础上进行程序国产化开发,为研发出适合中国轨道交通状况的显示设备打下基础。详细介绍列车事件记录显示单元系统数据处理过程和故障诊断分析的程序设计和实现。展开更多
文摘This article studies the fault recorder in power system and introduces the Comtrade format. Andituses C++ programming to read recorded fault data and adopts Fourier analysis and symmetrical component method to filter and extract fundamental waves. Finally the effectiveness of the data processing method introduced in this paper is verified by CAAP software.
文摘列车事件记录显示单元(ERDU:Event Record Display Unit)作为监视列车安全运行的重要组成部分,是完成人与列车其他设备的信息互换的重要媒介,是司机做出决策并对相关系统进行控制和监视的终端设备。设计的硬件选自国外的先进设备,硬件核心基于Freescale MPC5200B处理器,嵌入Linux操作系统。在外国先进设备的基础上进行程序国产化开发,为研发出适合中国轨道交通状况的显示设备打下基础。详细介绍列车事件记录显示单元系统数据处理过程和故障诊断分析的程序设计和实现。
