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《基于DSP和ARM便携式电能质量监测系统的设计与实现》.pdf

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第 38 卷 第 24 期 电力系统保护与控制 Vol.38 No.24 2010 年 12 月16 日 Power System Protection and Control Dec. 16, 2010 基于DSP和ARM便携式电能质量监测系统的设计与实现 舒双宝,罗家融,王勤湧,孙滨璇 (东华大学理学院,上海 201620) 摘要:介绍一种基于 DSP 和 ARM 架构的便携式电能质量监测系统的软硬件设计方案。利用 TI TMS320F2812 DSP 和高精度数 据采集芯片AD7656完成对现场电信号的同步采集和分析计算,DSP通过串口和FIFO与嵌有Linux系统的ARM S3C2440芯片 通信,完成分析数据和原始数据的传输,采用大容量存储设备记录存储采样波形和分析结果,通过网络接口上传数据并设置 监测终端的运行参数。实验测试结果表明该设计的可行性,该系统满足实时在线监测电能质量的各项指标。 关键词:电能质量;DSP;嵌入式系统;ARM; Linux Design and implementation of a portable power quality monitoring device based on DSP and ARM SHU Shuang-bao,LUO Jia-rong ,WANG Qin-yong ,SUN Bin-xuan (College of Science,Donghua University ,Shanghai 201620,China ) Abstract :A new design of DSP + ARM portable power quality monitoring device is proposed in this paper .TMS320F2812 DSP and high precision AD7656 are used for power quality data synchronous acquisition .Monitoring values are computed in the DSP, which communicates with ARM S3C2440 embedded with Linux system via serial port and FIFO and transfers power data and computed values .The data are stored in large capacity storage device and displayed in the LCD .The data transmission between PC and ARM is fulfilled by network and the operating parameter of monitoring terminal is set .Feasibility and reliability of the device are validated by experimental test,and the results show that the device is in accord with the electric power quality monitoring standard . This work is supported by National Natural Science Foundation of China(No. Key words :power quality ;DSP ;embedded system;ARM ;Linux 中图分类号: TM714 文献标识码:A 文章编号: 1674-3415(2010)24-0185-05 度大等原因,不能够很好地适应电能质量管理的需 0 引言 要[3] 。本系统采用DSP 和 ARM 技术研制高精度多 随着科学技
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