基于神经网络模型与多岛遗传算法的空心电抗器隔音装置优化设计

平和最高温度分别下降了13.9dB和26.3℃,该优化方法对电抗器隔音装置的参数优化具有重要的参考意义。OptimizationDesignofSound-insulationDeviceofAirModelandMulti-islandYUANFating1,2,JIANGFa1,2,LIUJianben3,ZHOUBing3,TANGBo1,2,HANYilin1(1.HubeiProvincialEngineeringTechn2.CollegeofElectricalandN3.StateKeyLaboratoryofPowerGridEnvironmentAbstract：Thechallengesofnoiseandtemperatureriseofair-corereactorhavealwaysbeenthehotissuesconcernedbyscholarsonaccountofitslong-termexposuretoelectromagnetic-thermal-flationmodelofthree-dimensionalelectromagneticCOMSOLaccordingtodesignparametersofreactor,andtheresultsound-insulationdeviceareobtained.Atfirst,thesoundpressureanalyzed,andbycombiningthecentralcompositedesignandfiturefieldsareacquiredwithdifferentparametersofsound-insulationwhichconstructsacorrelationbetweenthesoundpressurelevelandthehottemperatureotiondevice.Subsequently,thesensitivityanalysiobtaintheoptimalparametersofsoundinsulationdevice.Theoptimizathehottemperatureofthereactoraredtheoptimizationmethodhasimportantreferencesignificancefortheparameteroptimizationofsmulti-islandgenetica基金资助项目：电网环境保护国家重点实验ProjectsupportedbyOpenFundofStateKeyLaboratoryofPowerGridEnvironmentalProtection(GYW 在电抗器隔音装置优化方面，文献[15]总结了隔声板来降低噪音。文献[16]利用共振吸声原理，效果。文献[17]在考虑隔音罩在降噪和散热相互制本文根据干式空心电抗器的设计参数，利用干式空心电抗器由多个同轴并联包封线圈组袁发庭，姜发，刘健犇，等：基于神经网络模型与多岛遗传算法的空心电抗器隔音装置优化设计1215Fig.1Thebasicstructureofdry-typ本文根据干式空心电抗器结构参数，利用音装置等参数与实际相同；(3)整个计算域为正方Fig.2Thethree-dimensionalequivalentmo2.1电磁-结构-声场仿真计算干式空心电抗器的电磁场是时变的，满足VVJadAdVe电抗器振动可以简化为在周期电磁力作用的ρ0(t)p=c0ρ LpLp式中：pe为声压有效值；p0为基准声压，其值为2.2流场-温度场仿真计算 λ为包封材料的导热系数。ρρ ρ pliq压比热容。铝–0.0023+1.155×10–4T1047.64–0.373T+9.453.102–0.009T+8.614×10–6T2–8.383×10–7+8.36×10–8T声场模型的边界条件设置如下：声场采用磁网格的疏密程度很大程度影响到声场和温度袁发庭，姜发，刘健犇，等：基于神经网络模型与多岛遗传算法的空心电抗器隔音装置优化设计1217本文根据电磁−结构场仿真得到电抗器包封线Fig.3TheresultsofmeshgenerFig.4Simulationresultofmagneti的振动位移在0.47~0.51μm之间，Fig.6Electromagneticfo Fig.7SimulationresultsofvibrationFig.8ThemaximumvibraFig.9ThemeasurementpoinFig.10Simulation器包封线圈受电磁力振动产生的噪音由内向外传2.5.2流场-温度场仿真结果袁发庭，姜发，刘健犇，等：基于神经网络模型与多岛遗传算法的空心电抗器隔音装置优化设计1219Fig.11Simulationresultsof温度为69.5℃,温升为49.5℃,且中间位置的包3计及隔音装置的干式空心电抗器抑噪和实际中加装隔音装置会阻碍电抗器包封线圈Fig.12SimulationresFig.13Simulationresultsoftemperatu根据加和未加隔音装置的电抗器的温度场仿 Fig.15Themaximumtemperaturedistr为分析加隔音装置对电抗器包封线圈间流体Fig.16Themaximumvelocitydistrib通过中心组合试验设计方法对干式空心电抗本文采用灵敏性分析技术来分析隔音装置结iσ(E(Y|Xiiσ(Y)袁发庭，姜发，刘健犇，等：基于神经网络模型与多岛遗传算法的空心电抗器隔音装置优化设计1221条件方差。根据式(11)，可以获得隔音装置结构参本文采用多岛遗传算法(multi-islandgenetic分析法(analytichierarchyprocess)[24]计算得到的权Fig.17Thesensitivityofoptimizationp Fig.19TheflowchartofoTable4Theoptix1/mx2/mx3/mx4/mx5/m本文以干式空心电抗器噪音和温度为优化目1）获得了加装和未加隔音装置下电抗器包封2）将电抗器多物理场仿真计算方法和中心组Fig.20Simulationresultsofmulti-phy3）根据中心组合试验设计表建立的神经网络13.9dB，且最高温度下降了26.3℃,优化方法能袁发庭，姜发，刘健犇，等：基于神经网络模型与多岛遗传算法的空心电抗器隔音装置优化设计1223acteristicsofdry-type2022,48(8):3201-3ductionofacousticenclosureofagenerator[3]赵海翔.干式空心电抗器平均温升的拟合计算法[J].变压器，ZHAOHaixiang.Fittingalgorithmofmeantemperatu[4]叶占刚.干式空心电抗器的温升试验与绕组温升的计算[J].变压calculationofitswinding36(9):6-12.tionsonElectricalandElecprovementofreactorbasedoncoupdistributionofdry-tJournal:2021,49(5):reactor[J].ProceedingsoftheCSEE,2015,35(20):53largecapacityshuntreactorsisofareactordrivenbyanielectromagnetismaanalysisinconsideratvibration[C]//ConferenceRecortionsConference,2004.39thIASAnnuaconverterstationsandnoisereducsoundarresterforthedrytypcalandElectronicE1-9[2022-12-03].DOI：10.13336/j.1003-6521-9[2022-12-03].DOI:10.13336/mentalstudyofacousticalenclosurodfornumericalinvestigaperformanceofair-corereactorwithnoisereducingcover[J].Numeri-[18]郭健，林鹤云，徐子宏，等三相三柱变压器零序阻抗的场路fzero-sequenceimpedanceofthree-phtrotechnicalSociety,[19]颜威利，杨庆新，王友华，等.电气工程电磁场数torbasedonmultiphysicalfieldcoupfti-objectiveoptimisationdesignofinteriorperma智能优化的多核神经网络短期负荷预测模型[J].高电压技术，multicoreneuralnetworkshort-termlgenceoptimization[J].Highprocesses(A