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ID:33360278
大小:1.81 MB
页数:49页
时间:2019-02-25
《包钢电网无功优化问题的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、华北电力大学工程硕士学位论文摘要摘要电力系统无功优化对保证电压质量及系统安全性和经济性有着重要的意义。本文针对包钢电网的存在问题,采用改进粒子群算法对电网进行无功优化。在基本粒子群算法的基础上,引入了惯性因子,并对离散变量进行了处理,直接构造了离散解值集和离散速度值集。对包钢电网进行了无功优化计算,并对计算结果进行了分析和总结,结果证明,经过本文方法对包钢电网进行优化计算后,较好的改善了包钢电网的电压水平和无功分布,提高了供电质量,大大降低了线损,有良好的理论价值和实用价值。关键词:包钢,电网,粒子群算法,无功优化ABS
2、TRACTReactiVepoweroptimizationisVeryimportantforensuringthequaIityofVoltage,securityandeconomicsofpowersystem.ThispaperusesimproVedpanicleswa衄optimization(PSO)algoritllIIltoreactiVepoweroptimizationinBaoganggridinordertosolVetheproblemofBaoganggird.BasedonthePSo,
3、weintroducetheinertiaf≥屺torandconstmctthediscretepositionsetandthediscretespeedset,expressthediscreteVariablesaccurately.Theexperimentalresultsshowthatanerthepresentmethod’scalculationonBaogangreactiVepoweroptimization,theVoltagequalityanddistributionofreactiVepo
4、weroptimizationhasbeenimproVed.Linelossalsohasbeenreduced.Allofthesef.ullyproVedthatthismethodisreallyusefulandpracticallysignificance.Y_angYue’en(ElectricalEngineering)DirectedbyProf.ShengSiqingKEYWORDS:Baogang,grid,PSO,reactiVepoweroptimization华北电力大学工程硕士学位论文摘要摘
5、要电力系统无功优化对保证电压质量及系统安全性和经济性有着重要的意义。本文针对包钢电网的存在问题,采用改进粒子群算法对电网进行无功优化。在基本粒子群算法的基础上,引入了惯性因子,并对离散变量进行了处理,直接构造了离散解值集和离散速度值集。对包钢电网进行了无功优化计算,并对计算结果进行了分析和总结,结果证明,经过本文方法对包钢电网进行优化计算后,较好的改善了包钢电网的电压水平和无功分布,提高了供电质量,大大降低了线损,有良好的理论价值和实用价值。关键词:包钢,电网,粒子群算法,无功优化ABSTRACTReactivepowe
6、roptimizationisVeryimportantforensuringthequaIityofVoltage,securityandecorlomicsofpowersystem.ThispaperusesimproVedparticleswa衄optimization(PSO)algoritllIIltoreactiVepoweroptimizationinBaoganggridinordertosolvetheproblemofBaoganggird.BasedonthePSo,weintroducethei
7、nertiaf.actorandconstmctthediscretepositionsetandthediscretespeedset,expressthediscretevariablesaccurately.Theexperimentalresultsshowthatanerthepresentmethod’scalculationonBaogangreactiVepoweroptimization,theVoltagequalityanddistributionofreactiVepoweroptimizatio
8、nhasbeenimpr0Ved.Linelossalsohasbeenreduced.A1lofthesefIullyproVedthatthismethodisreallyusefIulandpracticallysignificance.YangYue’en(ElectricalEngineering)Dire
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