摘要:介绍了现场可编程门阵列FPGA(Field Programmable Gate Array)器件XCS30的主要特点、技

术参数、内部结构和工作原理，I}述了其在电力系统高速数据采集系统中的应用实例。电力数据采

集装置—馈线终端单元(FTU)需要监测多条线路的电压和电流，实时性要求高，充分利用FPGA

的并行处理能力，对输入信号实行同时采样、分时进行A/D转换，通过在FPGA片上构建的DRAM

进行数据的快速传输。FPGA在系统中承担了较多的实时任务，使DSP芯片TMS320F2812可以在

每个周期时间(20 ms)内完成所有线路的快速傅里叶计算，调用故障分析处理子程序。FPGA降低

了DSP的负荷率.系统的可靠性得到了提高.实际产品应用于配电自动化系统时.故障定位迅速、准确。

-Abstract: this paper introduces the Field reprogrammable Array FPGA (Field Programmable Gate Array) devices XCS30 the main characteristics and skills



Technique parameters, internal structure and working principle, I in its power of} system high speed data acquisition system of application examples. Power data mining



Set device-feeder terminal units (FTU) the need to monitor several routes of voltage and current, high real time requirement, make full use of FPGA



The parallel processing ability, to the input signal and the sampling, points to A/D conversion, through the FPGA in setting up A piece of DRAM



Data fast transmission. FPGA in system for more real-time tasks, make the digital signal processor (DSP) TMS320F2812 can be in



Each cycle time (20 ms) all the finish line fast Fourier calculation, analysis on fault processing procedure call. FPGA reduce



The load rate of DSP. Of the reliability of the system improved. The actual products used in power distribution