基于混合基快速傅里叶变换的数字化电能质量分析系统  

Research and Design of Digital Power Quality Analysis System Based on Mixed Radix FFT Algorithm

作　　者：杨昊明[1] 王在福[2] 张杭[3] 尹鑫[2] 

机构地区：[1]山东省建筑设计研究院,山东济南250001 [2]西安交通大学电子与信息工程学院,陕西西安710049 [3]西安交通大学电气工程学院,陕西西安710049

出　　处：《电器与能效管理技术》2015年第11期62-67,共6页Electrical & Energy Management Technology

摘　　要：针对现有很多电能质量测量的方法太复杂和不实用的问题,提出了硬件频率检测和基于混合基快速傅里叶变换(FFT)相结合的方法,设计了基于ARM处理器数字化电能质量分析系统。方法简单易实现,并能对电网谐波、电压波动、电压闪变快速准确的测量。试验测试证明,系统实现了实时性强、效率高、精度高的电能质量分析,并能满足IEC 61000-4-30标准的要求。As many power quality indicators measuring methods are too complex to be used in practice, a method combining hardware detection for frequency with mixed radix fast Fourier transformation （FFT） was proposed, and this method is easy to use in the engineering and can measure the harmonics, voltage fluctuations and voltage flicker efficiently. Based on it, a digital power quality analysis system was designed by using ARM processor. And the experimental results verify that the system can measure the power quality indicators quickly and efficiently and can satisfy the requirement of IEC 61000-4-30 standard.

关 键 词：电能质量指标 混合基FFT算法 ARM 电能质量分析系统 

分 类 号：TM930.2[电气工程—电力电子与电力传动]