基于小波分析的电能质量虚拟测试仪  

A Virtual Instrument for Power Quality Analysis Using Wavelets Method

作　　者：海瑛[1] 陈敬虞[2] 兰香[1] 

机构地区：[1]嘉兴学院机电工程学院,浙江嘉兴314001 [2]嘉兴学院建筑工程学院,浙江嘉兴314001

出　　处：《嘉兴学院学报》2014年第3期93-96,109,共5页Journal of Jiaxing University

基　　金：浙江省自然科学基金(LY14E070007);浙江省高等教育课堂教学改革项目(kg2013301)

摘　　要：可再生能源的发电并网,能引起电网电压波动、闪变、谐波等电能质量问题,针对智能电网运行中电能质量的不同类型,采用相应的小波函数和采样率,设计了一种在低压配电系统中基于小波分析的电能质量虚拟测试仪,仿真结果表明,测试仪可精确地完成电能信号的实时或离线分析任务.The parallel operation of the Renewable Energy generation System in the power grid will bring a series of power quality problems, such as voltage fluctuation, flicker, harmonic and so on. Aiming at the problems of different power quality disturbance in the smart grid, this paper presents a virtual instrument for detection and analysis of power quality disturbances in voltage supply using wavelets. Simulation results verify the good performance and accurately of the instrument developed for the detection and analysis of different power quality.

关 键 词：谐波干扰 暂态电能质量 小波变换 虚拟仪器 

分 类 号：TM60[电气工程—电力系统及自动化]