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1、《電氣自動(dòng)化}2016年第38卷第2期電力系統(tǒng)及其自動(dòng)化PowerSystem&AuIomalIOn基于雜草算法的含分布式電源的配電網(wǎng)重構(gòu)劉偉,陳世池,徐德奎,姚國(guó)斌(1.北京工業(yè)大學(xué)機(jī)械工程與應(yīng)用電子技術(shù)學(xué)院,北京100022;2.東北石油大學(xué)電氣信息工程學(xué)院,黑龍江大慶163318)摘要:隨著社會(huì)不斷發(fā)展,保證供電的可靠性和質(zhì)量的要求越來越高。分布式電源(DistributedGenerator以下簡(jiǎn)稱DG)接入配電網(wǎng)將直接改變潮流分布,而網(wǎng)絡(luò)重構(gòu)通過改變開關(guān)的開合狀態(tài)以提高供電的可靠性和經(jīng)濟(jì)性。以降低網(wǎng)損和電壓分布指數(shù)為目標(biāo),將雜草算法(InvasiveWe
2、edOptimizationAlgorithm以下簡(jiǎn)稱IWO)、Pareto最優(yōu)解理論和模糊決策理論相結(jié)合,提出了求解上述多目標(biāo)模型的優(yōu)化算法。并利用IEEE33節(jié)點(diǎn)系統(tǒng)進(jìn)行仿真驗(yàn)證算法的有效性和實(shí)用性。關(guān)鍵詞:分布式電源;配電網(wǎng)重構(gòu);雜草算法;多目標(biāo)優(yōu)化;模糊決策理論I)OI:10.3969/j.issn.1000-3886.2016.02.020[中圖分類號(hào)]TM743[文獻(xiàn)標(biāo)志碼]A[文章編號(hào)]1000—3886(2016)02—0061—04RecOnfiguratiOnOftheDistributionNetworkContainingDistribut
3、edGeneratorsBasedOnInvasiveWeedOptimizationAlgorithmLIUWe,CHENShi—chi.XUDe—kuYAOGuo-bin(1.CollegeofMechanicalEngineering&AppliedElectronics,engUniversityofTechnology,Beng100022,China;2.CollegeofElectricsandInformationEngineering,NortheastPetroleumUniversity,DaqingHeilongjiang163318Chi
4、na)Abstract:Withcontinuousdevelopmentofthesociety,therearemoreandmorestrictdemandontheinsuranceofthereliabilityandqualityofpowersupply.Accessofdistributedgenerators(hereinafterreferredtoasDG)tothedistributionnetworkwilldirectlychangeloaddistribution,andnetworkreconfigurationcanchanget
5、heon—ofstatusofswitchestoraisethereliabilityandeconomicsofpowersupply.Toreducenetworklossandcounterpoisevoltagedistributionindex,thispaperpresentsanoptimizationalgorithmtosolveabovementionedmulti—objectivemodelbycombiningtheinvasiveweedoptimizationalgorithm(hereinafterreferredtoasIWO)
6、-Paretooptimalsolutiontheoryandthetheoryoffuzzydecision.Furthermore,simulationthroughtheIEEE33nodesystemisusedtoverifytheeffectivenessandpracticabilityofthealgorithm.Keywords:distributedgenerator(DG);reeonfigurationofdistributionnetwork;invasiveweedoptimization(IWO)algorithm;multi—obj
7、ectiveoptimization;theoryoffuzzydecisionO引言1含DG配電網(wǎng)重構(gòu)的數(shù)學(xué)模型配電網(wǎng)具有閉環(huán)設(shè)計(jì)、開環(huán)運(yùn)行的特點(diǎn)。配電網(wǎng)重構(gòu)是指在1.1目標(biāo)函數(shù)滿足系統(tǒng)正常運(yùn)行約束條件下,通過改變聯(lián)絡(luò)開關(guān)的狀態(tài)來改變(1)線路的有功損耗網(wǎng)絡(luò)的拓?fù)浣Y(jié)構(gòu)。以達(dá)到提高配電網(wǎng)運(yùn)行的經(jīng)濟(jì)性、可靠性和安Ⅳ占全性等。Minimize.,()=∑kiP(1)隨著電力系統(tǒng)的發(fā)展,分布式電源接入配電網(wǎng)從僅考慮網(wǎng)損X=[SWI,SW2,?,SWNbh,Poc1,PDG2,?PDcⅣnc]最小的單目標(biāo)發(fā)展到了綜合考慮電壓分布指數(shù)、短路水平和缺供式中P;是第i條支路消耗
8、的有功功率