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ID:51413422
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时间:2020-03-23
《偏远地区风电场并网控制系统间的交互影响分析.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、水利水电技术第48卷2017年第6期偏远地区风电场并网控制系统间的交互影响分析陈甜甜1,张鹏1,潘玲1,唐振东2,杨洪耕2(1.上海市电力公司电力科学研究院,上海200437;2.四)Jl大学电气信息学院,四川成都610065)摘要:以我国西部某偏远地区风电场为实例,采用基于频率的RGA方法对偏远地区风电场并网系统间的交互影响做定量分析。通过Mason定理建立风电场并网等效输出阻抗模型以及长线路分布参数模型,确定多逆变器并网相对增益矩阵。在Simulink仿真平台中依据风电场实际参数建模仿真,分析可知不同系统频率对多逆变器
2、并网时控制系统问交互作用影响表现为:在厂<156Hz频率段,多并网逆变器控制通道之间基本没有交互作用;随着频率增大,控制通道间出现负交互影响且逐渐增大,f=691Hz时达到最大,此后出现方向相反的控制影响;当814Hz3、wrabe.2017.06.025中图分类号:TM721文献标识码:A文章编号:1000.0860(2017)06—0134.07Analysisoninteractiveinfluenceamonggrid-connectedcontrolsystemsofwindfarmsinremoteareasCHENTiantianl,ZHANGPen91,PANLin91,TANGZhendon92,YANGHonggen92(1.ElectricPowerResearchInstitute,StateGridShanghai4、MunicipalElectricPowerCompany(SMEPC),Shanghai200437,China;2.SchoolofElectricalandInformation,SichuanUniversity,Chengdu610065,Sichuan,China)Abstract:BytakingawindfarminaremoteareaofthewesternpartofChinaasanactualcase,aquantitativeanalysisonthein-teractiveinfluencea5、mongthegrid-·connectedsystemsofthewindfarmsintheremoteareasismadehereinwiththefrequency.-basedRGAmethod.InaccordancewithMason’Stheorem,theequivalentoutputimpedancemodelandthelong—distancetransmis—sionlinedistributedparametersmodelofthewindfarmareestablished,andthe6、ntherelativegainarray(RGA)ofthegrid—con—nectionwithmultipleinvertersisdetermined.ThroughthemodellingsimulationmadeontheSimulinksimulationplatform,itisknownfromtheanalysisconcernedthattherepresentationsoftheinteractiveinfluencesfromdifferentsystemfrequenciesontheco7、ntrolsystemduringthegrid—connectionwithmultipleinvertersareasfollows:atthefrequencysegmentf<156Hz,noanyin—teractiveeffectisthereamongthecontrolchannelsofthemultiple酣d—connectedinverters.Alongwiththeincreaseofthefre-quency,thenegativeinteractiveeffectoccurringamong8、thecontrolchannelsgraduallyincreasesandreachestothemaximumwhenf=691I-Iz,andhereafter,theinfluenceofthecontrolwithoppositedirectionOCCURS.During814Hz<,<9
3、wrabe.2017.06.025中图分类号:TM721文献标识码:A文章编号:1000.0860(2017)06—0134.07Analysisoninteractiveinfluenceamonggrid-connectedcontrolsystemsofwindfarmsinremoteareasCHENTiantianl,ZHANGPen91,PANLin91,TANGZhendon92,YANGHonggen92(1.ElectricPowerResearchInstitute,StateGridShanghai
4、MunicipalElectricPowerCompany(SMEPC),Shanghai200437,China;2.SchoolofElectricalandInformation,SichuanUniversity,Chengdu610065,Sichuan,China)Abstract:BytakingawindfarminaremoteareaofthewesternpartofChinaasanactualcase,aquantitativeanalysisonthein-teractiveinfluencea
5、mongthegrid-·connectedsystemsofthewindfarmsintheremoteareasismadehereinwiththefrequency.-basedRGAmethod.InaccordancewithMason’Stheorem,theequivalentoutputimpedancemodelandthelong—distancetransmis—sionlinedistributedparametersmodelofthewindfarmareestablished,andthe
6、ntherelativegainarray(RGA)ofthegrid—con—nectionwithmultipleinvertersisdetermined.ThroughthemodellingsimulationmadeontheSimulinksimulationplatform,itisknownfromtheanalysisconcernedthattherepresentationsoftheinteractiveinfluencesfromdifferentsystemfrequenciesontheco
7、ntrolsystemduringthegrid—connectionwithmultipleinvertersareasfollows:atthefrequencysegmentf<156Hz,noanyin—teractiveeffectisthereamongthecontrolchannelsofthemultiple酣d—connectedinverters.Alongwiththeincreaseofthefre-quency,thenegativeinteractiveeffectoccurringamong
8、thecontrolchannelsgraduallyincreasesandreachestothemaximumwhenf=691I-Iz,andhereafter,theinfluenceofthecontrolwithoppositedirectionOCCURS.During814Hz<,<9
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