中文摘要：

针对电力系统谐波检测的问题,采用希尔伯特一黄算法对电力系统谐波信号进行分析.在阐述了希尔伯特一黄算法原理的基础上,分别使用平稳和突变的谐波信号对希尔伯特一黄算法进行了验证.并利用Matlab/Simulink平台构建电力系统谐波源模型,研究希尔伯特一黄算法在实际电力系统中的应用.研究、仿真结果表明,希尔伯特一黄算法在分析电力谐波时,能准确分析出各次谐波的瞬时频率和瞬时幅值以及波动时刻.

英文摘要：

To solve the problem of power system harmonic detection, this paper adopted the Hilbert-Huang Transform to analyze the power system harmonic signal. Firstly, it introduced the basic principle of Hilbert-Huang Transform. Secondly, it used a stationary and mutation of harmonic signal to verify the Hilhert-Huang Transform. Finally, it adopted the Matlab/Simulink platform building a model of harmonic source in power system to research the Hilbert-Huang Transform in the application of the actual power system. The research and simulation results show that the Hilbert-Huang Transform is able to analyze every harmonic instantaneous frequency and instantaneous amplitude and wave moment accurately in the electric power harmonic analysis.