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时间:2020-03-21
《含光伏发电的配电网有功无功资源综合优化配置.pdf》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、第34卷第31期中国电机工程学报Vo1.34No.31NOV.5,20142014年l1月5日ProceedingsoftheCSEE~2014Chin.Soc.forElec.Eng.5525DOI:10.13334~.0258—8013.pcsee.2014.31.009文章编号:0258—8013(2014)31—5525—09中图分类号:TM71含光伏发电的配电网有功无功资源综合优化配置张璐,唐巍,丛鹏伟,白牧可,所丽,谭煌(中国农业大学信息与电气工程学院,北京市海淀区100083)OptimalConfigurationofActive-reactivePo
2、werSourcesinDistributionNetworkWithPh0t0vOltaicGenerationZHANGLu,TANGWei,CONGPengwei,BAIMuke,SUOLi,TANHuang(CollegeofInformationandElectricalEngineering,ChinaAgriculturalUniversity,HaidianDistrict,Beijing100083;China)ABSTRACT:Accordingtothesituationthatphotovoltaic(PV)摘要:针对配电网中光伏发电渗透率逐渐
3、提高、而当前配generationpenetrationincreasesgraduallyandthereactive电网光伏发电规划未充分考虑其无功调节能力的现状,研regulatingcapabilityofPVgenerationisnotfullyconsidered"in究将配电网中提供有功和无功的光伏发电、提供无功的电distributionnetworkplanning,thispaperstudiedcompre—容器进行综合协调优化配置。考虑时序性和随机性,对光hensiveconfigurationofPVgeneration,whichprov
4、idesactive伏发电出力和负荷建立分时段多状态模型。以高于置信水andreactivepower,andswitchcapacitor,whichprovide平的年费用最小为上层规划目标函数,光伏电源和电容器reactivepower.Consideringthetime-sequencecharacteristic安装位置和容量为上层优化变量,以高于置信水平的运行andrandomnessofloadandsolar,multi—statemodelin年费用最小为下层规划目标函数,每个时段光伏发电无功diferentperiodswasestablishe
5、d.Abi—levelprogramming出力和电容器投切状态为下层优化变量,建立嵌入机会约modelembeddingchanceconstrainedprogrammingwas束规划的二层规划模型。因为考虑光伏发电的无功调节能proposed,whichconsidersreactiveregulatingcapabilityofPV力以及运行中电源出力随负荷变化的调整,所以配电网损generationandadjustmentofelectricalsourceoutputwithload耗、电压等指标和目标函数计算更准确。采用分段二进制changingdu
6、ringoperation.Themodeltakestheminimum编码方式和精英保留策略遗传算法对二层规划模型求解。annualcostaboveconfidencelevelastheupperlevelplanning算例结果表明:配电网中光伏发电、电容器综合配置有利objectivefunction,theminimumannualoperationcostabove于提高资源利用率、减少投资和运行费用;充分利用光伏confidencelevelaslowerlevelplanningobjectivefunction.发电的无功调节潜力,有助于保证配电
7、网经济安全运行;Theelitiststrategygeneticalgorithmbasedonsegmented同时,若光伏发电配合微型燃气轮机等可控电源,可获得chromosomecodingwasappliedforsolvingbi·level更好的投资与运行效益。programmingmode1.ThesimulationresultsofexampleshowthatcomprehensiveoptimalconfigurationofPVgenerationand关键词:光伏发电;配电网;优化配置;二层规划;机会约switchcapa
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