基于免疫遗传算法的电压优化调整与治理研究.docxVIP

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信阳地区电压优化调整与治理研究

王超1，安俊俊1，郝元钊2

（1.郑州大学电气工程学院，河南郑州450001；

2.河南电力公司电力科学研究院，河南郑州450052）

摘要:阐述了电压优化调整与治理的必要性，建立了电力系统电压优化调整与治理的模型，提出了一种针对高压电网特点的电压优化调整与治理方法。通过调整机端电压、变压器分接头和补偿电容器组，或者新增无功补偿节点，来提高电网电压合格率，并且实现新增无功补偿容量最小的目标。其中详述了电网电压优化调整与治理的手段及其计算过程，并且编写程序，做电压优化调整界面，通过免疫遗传算法求解组合优化问题。另外，将免疫遗传算法应用到信阳东部地区电网，进行电压优化调整与治理，并分析优化结果。结果表明免疫遗传算法具有良好的收敛性和鲁棒性，能很好地提高电压合格率，并且使新增的补偿容量最小。

关键词：电力系统；电压合格率；优化调整；电压治理；免疫遗传算法；界面实现

中图分类号：TM761文献标志码：A

Researchonvoltageoptimizationadjustmentandmanagementofregionalpowersystem

WangChao1,AnJunjun1,HaoYuanzhao2

(1.SchoolofElectricalEngineering,ZhengzhouUniversity,Zhengzhou450001,China;

2.ElectricPowerResearchInstituteofHenanPowerGridCorporation,Zhengzhou450052,China)

Abstract:Thenecessityofvoltageoptimizationadjustmentandmanagementwasexpatiatedinthispaper,themodelofthepowersystemvoltageoptimizationadjustmentandmanagementwasestablished,andaccordingtothecharacteristicsofhighvoltagepowertransmissiongrid,akindofvoltageoptimizationadjustmentandmanagementmethodwasputforward,Bybyadjustingthevoltageofthemachine,transformertapandcapacitorcompensation,orincreasingthereactivepowercompensationnodeswereincreased,toimprovethepowergridvoltagequalifiedratewasimprovedandrealizethegoalthatnewreactivecompensationcapacityisthesmallestwasachieved.Highvoltagepowergridvoltageoptimizationadjustmentandmanagementmethodanditscalculationprocesswereexpandedinwasdetailedinthispaper.Immunegeneticalgorithmwasprogrammedandsoftwareinterfacewasmadetosolvecombinatorialoptimizationproblem.Inaddition,theresultsofimmunegeneticalgorithmappliedinXinyangareawereanalyzed.Theoptimizationresultsofexampleshowsthatthealgorithmhasgoodconvergenceandrobustness.Thevoltageacceptabilitycanbeimprovedverywell,andthenewcompensationcapacitywasmadetobeaminimum.

Keywords:Power