第46卷第1期2023年2月电子器件ChineseJournalofElectronDevicesVol.46No.1Feb.2023项目来源:国家自然科学基金项目(51166013);南京工程学院引进人才科研启动基金项目(YKJ201533)收稿日期:2021-10-15修改日期:2022-01-10ResearchonMPPTOptimizationControlofLowandMediumTemperatureDistributedThermoelectricPowerGenerationSystem*WUFuyu1,HUShenhua2*,XUJingyang1(1.PeixianPowerSupplyBranch,StateGridJiangsuElectricPowerCo.,Ltd.,XuzhouJiangsu221000,China;2.SchoolofEnergyandPowerEngineering,NanjingInstituteofTechnology,NanjingJiangsu211167,China)Abstract:Duetothedifferenceofheattransferinthermoelectricsystems,theoutputofeachthermoelectricgeneration(TEG)isnotuni-form,sothedifferentialinfluenceofdistributedandcentralizedMPPTonthermoelectricsystemsisstudied.Alaboratoryfurniturecom-posedof32TEGsforthethermoelectricsystemisbuilt.Theexperimentiscarriedoutundernineoperatingconditionswithinletairtem-peratureof150℃,200℃,250℃andairflowrateof12kg/h,14kg/h,16kg/h.Theexperimentedresultsshowthattheoutputpowerofthermoelectricgenerationisnotsimplydecreasingprogressivelyalongtheheatflowinlet,andthethermoelectricgenerationunderdis-tributedMPPTcanreallyachievethemaximumpoweroutput.Basedontheoutputcharacteristicsofthermoelectricpowergeneration,animprovedshort-circuitcurrentcombinedwithparticleswarmoptimization(PSO)isproposedtorealizethedistributedMPPTalgorithm,andthefeasibilityoftheproposedalgorithmisverifiedthroughsimulation.Keywords:thermoelectricpowergeneration;distributed;MPPT;experimentalanalysisEEACC:8110D;8230doi:10.3969/j.issn.1005-9490.2023.01.032中低温分布式热电发电系统MPPT优化控制研究*吴馥郁1,胡申华2*,徐菁阳1(1.国网江苏省电力有限公司沛县供电分公司,江苏徐州221000;2.南京工程学院能源与动力工程学院,江苏南京211167)摘要:由于热电系统存在换热的差异导致每个热电片(TEG)输出不均匀,因此研究了分布式与集中式最大功率跟踪(MPPT)在热电发电系统的差别影响。搭建了由32片TEG构成的热电系统实验台,实验过程是在入口空气温度为150℃、200℃、250℃,空气流量分别为12kg/h、14kg/h、16kg...