基于FPGA技术的电子互感器数据快速采集系统  

Electronic transformer data fast acquisition system based on FPGA technology

作　　者：杨奇 刘红[1] 李斌 YANG Qi;LIU Hong;LI Bin(College of Energy and Control Engineering,Changji University,Changji 831100,China)

机构地区：[1]昌吉学院能源与控制工程学院,新疆昌吉831100

出　　处：《现代电子技术》2023年第8期59-62,共4页Modern Electronics Technique

基　　金：昌吉学院校级教研项目(21JYYB005)。

摘　　要：为适应电力计量设备的数字化发展趋势,获取完整且准确的电子互感器运行数据,文中利用FPGA技术设计一种电子互感器数据快速采集系统。首先,改装数据采集器与数据转换器,加设FPGA器件,调整电路的连接方式,利用模拟信号隔离器实现硬件设备之间的隔离;然后在硬件系统的支持下,构建电子互感器的等效模型,在该模型下设置数据采集参数;最后,利用FPGA技术编码转换采集数据,通过设置数据滤波、传输等环境实现对电子互感器数据的快速采集。实验结果表明:所设计系统能够成功采集电流互感器与电压互感器的运行数据;与传统采集系统相比,该系统数据采集完整度系数提高了0.975%。In order to adapt to the digital development trend of power metering equipment and obtain complete and accurate operation data of electronic transformer,a fast acquisition system of electronic transformer data is designed by means of FPGA technology.The data collector and data converter are modified,FPGA device is added,the connection mode of the circuit is adjusted,and the analog signal isolator is used to realize the isolation between hardware devices.With the support of the hardware system,the equivalent model of the electronic transformer is constructed,and then the data acquisition parameters are set.The FPGA technology is used to code and transform the collected data,and realize the rapid acquisition of the electronic transformer data by setting the data filtering,transmission and other environments.The experimental results show that the designed system can successfully collect the operation data of current transformer and voltage transformer.In comparison with the traditional acquisition system,the data acquisition integrity coefficient of this system is increased by 0.975%.

关 键 词：数据采集系统 电子互感器 FPGA技术 数据转换 设备隔离 参数设置 系统测试 

分 类 号：TN919-34[电子电信—通信与信息系统] TP311[电子电信—信息与通信工程]