摘要
归类并分析了现有谐波检测方法的检测精度、速度、延时和实时性 ,指出基于瞬时无功功率理论的谐波检测法延时小 ,实时性好 ;基于付立叶快速变换的检测法既可检测谐波又可用于频谱分析 ,最后 。
The power system harmonic detecting is the foundation and the major basis of the technique of active filtering, and the accuracy of the detecting play an important role in the harmonic compensation. It is proved in the theory and practice that the detecting accuracy and the speed of dynamic response of harmonic are closely related to the methods. In this paper, the current methods are classified, and a few major harmonic detecting methods are analyzed in detecting accuracy, detecting speed, delay and real time. It has pointed out the advantages and disadvantages of different methods. In the end of this paper, the development tendency of the electric system harmonic detecting is prospected.
出处
《高电压技术》
EI
CAS
CSCD
北大核心
2004年第3期39-42,共4页
High Voltage Engineering
基金
湖南省教育厅资助项目 ( 0 3C5 72 )
关键词
电网
谐波检测
电力系统
神经网络
自适应对消原理
harmonic detecting instantaneous reactive power FFT adaptive wavelet analysis
