小波分析在糖厂电压暂降扰动信号检测中的应用研究  

Application of Wavelet Analysis for Detecting Voltage Sag Disturbance Signal in Sugar Factory

作　　者：汤晏文 杨津听[2] 张茹[2] 周川 刘海田[2] 章鹏 姚鹏[2] 罗韶波 罗林楚 阙建春 TANG Yan-wen;YANG Jin-ting;ZHANG Ru;ZHOU Chuan;LIU Hai-tian;ZHANG Peng;YAO Peng;LUO Shao-bo;LUO Lin-chu;QUE Jian-chun(Yingmao Sugar Industry(Group)Co.Ltd.,Kunming,Yunnan 650228;Kunming Electric Apparatus Research Institute,Kunming,Yunnan 650221;Junfa Group Co.Ltd.,Kunming,Yunnan 650225;Yunnan People Electrical Appliance Co.Ltd.,Kunming,Yunnan 650503)

机构地区：[1]云南英茂糖业(集团)有限公司,云南昆明650228 [2]昆明电器科学研究所,云南昆明650221 [3]俊发集团有限公司,云南昆明650225 [4]云南人民电力电气有限公司,云南昆明650503

出　　处：《甘蔗糖业》2020年第3期101-105,共5页Sugarcane and Canesugar

基　　金：科技创新平台建设计划-院所技术开发专项(2019DC004)。

摘　　要：阐述了糖厂电压暂降的概念,分析了其产生的原因及危害;阐述了小波分析基本理论,常用的小波及其性质;研究了小波分析在电压暂降检测中的应用,对比研究了:haar、db2、bior3.3、sym8、coif4、db10等小波对电压暂降信号的分析处理效果,给出了电压暂降检测中小波的选择依据。This paper not only expounds the concept of voltage sag in the sugar factory,but also analyzes its causes and hazards.The basic theory of wavelet analysis,commonly used wavelets and their properties are described.And the application of wavelet analysis in the voltage sag detection is studied.There are compared and studied the processing effects of haar,db2,bior3.3,sym8,coif4,db10 and other wavelets on the voltage sag signal.At last,it gives the basis for selecting small and medium wavelet in the voltage sag detection.

关 键 词：糖厂电压暂降 电压扰动检测 小波分析消失矩阶数 支撑集长度 

分 类 号：TN911.23[电子电信—通信与信息系统]