工频电网谐波测量的实现  

Implementation of harmonics measurement in power system

作　　者：郑燕[1] 刘立新[1] 

机构地区：[1]西安邮电学院电子与信息工程系,陕西西安710121

出　　处：《西安邮电学院学报》2009年第1期69-71,83,共4页Journal of Xi'an Institute of Posts and Telecommunications

摘　　要：介绍了电网中谐波的起因及其对电网运行的危害,讨论了频率分析中常用的离散傅里叶变换和快速傅里叶变换的应用特点,最后利用ADI公司的ADuC841微控制器芯片实现了电网中谐波成分的测量。数据显示所提出的方法具有足够的测量精度以及测量速度,并且所设计的系统具有使用方便、成本低等优点。This paper introduces the cause of the harmonic in the power grid and the harm to the operation of the power grids, discussed the characteristics of the Discrete Fourier Transform and Fast Fourier Transform, uses ADI＇s ADuC841 microcontroller chip to achieve measurement of the harmonic components in a power grid. The data show that the proposed method has sufficient measurement accuracy and speed, and the design of the system has the advantages of easy to use, and low cost.

关 键 词：谐波 离散傅里叶变换 微控制器 电网 

分 类 号：TM933[电气工程—电力电子与电力传动] TM7