【摘要】 谐波是影响电能质量的重要因素,谐波对电力系统和用电设备产生严重危害和影响。通过介绍小波变换的基本原理和MATLAB小波工具箱的应用,提出了应用小波变换对电力系统中谐波分析的MATLAB仿真方法。仿真算例验证了小波变换具有良好的时频局部化特性,可以对电网中的谐波进行有效的检测分析。更多还原

【Abstract】 The harmonic is an important factor of influence power quality,it will have serious harm and influence on power system and power consumption equipment.This paper introduces the basic principle of wavelet transform and MATLAB wavelet toolbox of application,and put forward the application of wavelet transform in the power system harmonic analysis of MATLAB simulation method.The simulation results proved that wavelet transform has good time-frequency localization characteristics,can detect and analyse harmonic effectively.更多还原