欢迎来到天天文库
浏览记录
ID:52483994
大小:407.31 KB
页数:6页
时间:2020-03-28
《基于黄金分割的混沌粒子群优化算法在配电网无功规划中的应用.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、第40卷第7期电力系统保护与控制Vl01.40NO.72012年4月1日PowerSystemProtectionandControlApr.1,2012基于黄金分割的混沌粒子群优化算法在配电网无功规划中的应用汪超,王昕,姚钢,郑益慧,周荔丹2,刘鑫(1.上海交通大学电工与电子技术中心,上海200240;2.上海交通大学电气系,上海200240;3.吉林省电力有限公司四平供电公司,吉林四平136000)摘要:首先以有功损耗功率最小作为目标函数,将节点电压越限和发电机无功出力越限作为罚函数,建立无功补偿在配电网中优化配置的数学模型。然后设计基于黄金分割的混沌
2、粒子群优化算法对上述模型进行求解。该算法通过黄金分割评判准则,按照适应度的高低,将粒子群分成标准粒子和混沌粒子两部分,同时解决了粒子群优化过程中容易陷入局部最优和混沌算法重复搜索部分解的问题,从而可以更有效地搜索到全局最优解,成功地提高了无功优化问题的求解速度,使算法能更好地适应问题的求解。算例结果表明,该方法技术上可行且效果较好。关键词:配电网;无功优化;黄金分割;混沌;粒子群算法Applicationofgoldensectionbasedchaosparticleswarmoptimizationalgorithmindistributionnetw
3、orkreactivepoweroptimizationWANGChaoWANGXin,YAOGang2,ZHENGYi.hui,ZHOULi.dan,LIUXin(1.CenterofElectrical&ElectronicTechnology,ShanghaiJiaoTongUniversity,Shanghai200240,China;2.DepartmentofElectricalEngineering,ShanghaiJiaoTongUniversity,Shanghai200240,China;3.SipingPowerSupplyCompa
4、ny,JilinElectricPowerCo.LTD.,Siping136000,China)Abstract:Amathematicalmodelofreactivepowerinthedistributionnetworkoptimalallocationisestablished,inwhichtheleastactivepowerlossistakenasobjectivefunctionandnodevoltagebeyondlimitandthegeneratorreactivepoweroutputbeyondlimitaspenaltyf
5、unction.Thenthechaoticparticleswarmoptimizationbasedongoldensection(GCPSO)isdesignedtocalculatetheabovemode1.ThismethoddividestheparticleswarlTlintostandardparticleandchaosparticleusingthejudgeprinciplesbasedongoldensectionaccordingtotheleveloffitness.Itsolvestheproblemsofeasilyfa
6、llingintolocaloptimumifusingPSOandrepeatingsearchingpartofthesolutionifusingchaoticoptimization.UsingGCPSOcanbemoreeffectiveinsearchingtheglobaloptimalsolution,andthespeedofreactivepoweroptimizationCanalsobeimproved.Thealgorithmisthusmoreapplicabletosolvingtheproblem.Thesimulation
7、resultsshowthatthemethodistechnicallyfeasibleandefective.ThisworkissupportedbyNationalHigh—techR&DProgramofChina(863Program)(No.2008AA04Z129)andNationalNaturalScienceFoundationofChina(No.60504010).Keywords:distributionsystem;reactivepoweroptimization;goldensection;Chaos;PSO中图分类号:T
8、M715文献标识码:A文章编号:1674.3415(2012)07
此文档下载收益归作者所有