变频器输出频率与负载率对谐波产生的影响  

The Influence of Output Frequency and Load Rate of Frequency Converter on Harmonic Generation

作　　者：惠南南 HUI Nannan(Quality Safety and Environmental Protection Department of Zhejiang Oilfield Branch)

机构地区：[1]浙江油田分公司质量安全环保部

出　　处：《石油石化节能》2020年第7期38-40,I0006,共4页Energy Conservation in Petroleum & PetroChemical Industry

摘　　要：变频技术是目前油田节能的重要手段,应用非常广泛。与此同时,变频器谐波是油田生产以及油田电网一个比较棘手的问题,它对供电电路、供电线路中的设备均有不同程度的影响。因此,对于谐波的研究是一项势在必行的课题。文中探究了变频器谐波的产生原因、变频器谐波的特性、谐波的影响与危害以及谐波的治理手段等,同时进行实验,验证变频器在不同工况下产生谐波大小的变化情况。Frequency conversion technology is an important means of energy saving in oil field and is widely used.At the same time,the bad influence of frequency converter harmonic is also a difficult problem for oil field production and oil field power grid.Therefore,the research of harmonic is an imperative subject.This paper explores the causes of harmonic generation in frequency converters,the characteristics of harmonic generation in frequency converters,the influence and harm of harmonic generation and the treatment methods of harmonic generation.

关 键 词：变频器 谐波 电流总畸变率 谐波电流含有率 

分 类 号：TE43[石油与天然气工程—油气田开发工程] TM921.51[电气工程—电力电子与电力传动]