【摘要】 介绍了一种发电机故障状态数据录波系统设计方法。利用了高速ARM芯片及高精度三相计量芯片ADE7758组成交流采样电路,从而能实现高速数据采集和转换,将故障前后的数据保存在铁电存储器中。在VB环境下实现计算机与ARM的串行通信,读取铁电存储器FM24C256中保存的故障数据并用图形显示出来。实践证明该系统图形界面友好、可靠性高、操作方便、应用效果好。更多还原

【Abstract】 The design method of a generator fault data recording system is presented.By adopting high-speed ARM chip and high-precision three-phase metering chip ADE7758,the AC sampling circuit is composed of.Thus high-speed data acquisition and conversion can be implemented.The data pre-and post-fault are stored in ferroelectric memory FM24C256.The serial communication between computer and ARM is conducted under VB environment.The fault data in FM24C256 can be read and displayed graphically.The practice proves that the system features user-friendly interface,high reliability,easy operation and excellent effects of application.更多还原