分布式光伏电能质量问题的影响及治理方法*吴庆1,王飞1,周涛1,郭磊2(1.国网湖北省电力有限公司荆州供电公司,湖北荆州434000;2.长江大学物理与光电工程学院,湖北荆州434023)摘要:能源问题是世界各国的共同难题,我国非常重视可再生能源的发展,可再生能源是政策导向型产业。我国幅员辽阔、光照充足,在光伏发电方面具有得天独厚的优势,因此我国是光伏发电大国,其中分布式光伏发电发展最为迅猛。但分布式光伏发电也带来了一定的电能质量问题,解决好电能质量问题是安全平稳供电的基础和保障。因此,根据国内外学者的研究,介绍了分布式电源并网引发的电能质量问题,包括谐波污染、三相不平衡、电压偏差、频率偏差等,然后分析了分布式光伏发电并网的关键技术,最后阐述了分布式光伏发电提高电能质量的未来规划,希望能够对相关从业人员提供一定的理论借鉴和研究方向。关键词:分布式光伏发电;电能质量;关键技术;未来发展中图分类号:TM615DOI:10.19768/j.cnki.dgjs.2023.02.050TheImpactandTreatmentMethodsofDistributedPhotovoltaicPowerQualityProblems*WUQing1,WANGFei1,ZHOUTao1,GUOLei2(1.JingzhouPowerSupplyCompany,StateGridHubeiElectricPowerCompany,Jingzhou434000,China;2.SchoolofPhysicsandOptoelectronicEngineering,YangtzeUniversity,Jingzhou434023,China)Abstract:Energyproblemisacommonproblemintheworld.Chinaattachesgreatimportancetothedevelopmentofre-newableenergy,andrenewableenergyisapolicy-orientedindustry.Chinahasavastterritory,sufficientlight,andhasu-niqueadvantagesinphotovoltaicpowergeneration,soChinaisalargephotovoltaicpowergenerationcountry,ofwhichdistributedphotovoltaicpowergenerationhasdevelopedmostrapidly.However,distributedphotovoltaicpowergenerationalsobringscertainpowerqualityproblems,andsolvingthepowerqualityproblemisthebasisandguaranteeforsafeandstablepowersupply.Therefore,accordingtotheresearchofdomesticandforeignscholars,thepowerqualityproblemscausedbydistributedpowersupplyintegrationareintroduced,includingharmonicpollution,three-phaseimbalance,volt-agedeviation,frequencydeviationandotheraspects.Then,thekeytechnologiesdistributedphotovoltaicpowergenerationgridconnectionareanalyzed.Finally,thefutureplanningofdistributedphotovoltaicpowergene...
