第24卷第2期2023年2月电气技术ElectricalEngineeringVol.24No.2Feb.2023低漏磁电抗器冲击特性和温度特性研究徐铭铭1董轩1张凯2朱志芹3池腾3(1.国网河南省电力公司电力科学研究院,郑州450052;2.国网河南省电力公司,郑州450000;3.中国科学院应用超导重点实验室(中国科学院电工研究所),北京100190)摘要干式空心电抗器能够改善电力系统电能质量、提升电流稳定性,但在工作时漏磁较大,对周围环境造成不良影响。为解决电抗器漏磁过大的问题,本文提出一种新型多单元串并联环形低漏磁电抗器拓扑结构,在进行原理分析的基础上,对试品分别进行工频耐压试验、温升试验、雷电冲击试验和最大短时电流试验,结果表明该试品性能达到了相关国家标准要求,能够应用于实际电网中。关键词:低漏磁电抗器;温升试验;工频耐压试验;雷电冲击试验ResearchonimpactcharacteristicsandtemperaturecharacteristicsoflowleakagemagneticreactorXUMingming1DONGXuan1ZHANGKai2ZHUZhiqin3CHITeng3(1.StateGridHe’nanElectricPowerResearchInstitute,Zhengzhou450052;2.StateGridHe’nanElectricPowerCompany,Zhengzhou450000;3.KeyLaboratoryofAppliedSuperconductivity,ChineseAcademyofSciences(InstituteofElectricalEngineering,ChineseAcademyofSciences),Beijing100190)AbstractThedry-typeair-corereactorcanimprovethepowerqualityofthepowersystemandimprovethecurrentstability,butthemagneticfluxleakageislargeduringoperation,whichwillcauseadverseeffectsonthesurroundingenvironment.Tosolvetheproblemofexcessivemagneticleakageofthereactor,thispaperproposesanewtypeofmulti-unitseries-paralleltoroidallow-leakagemagneticreactortopology.Basedontheanalysisoftheprinciple,thepowerfrequencywithstandvoltagetest,temperaturerisetest,lightningimpulsetestandmaximumshort-timecurrenttestarecarriedoutrespectively.Thetestresultsshowthattheperformanceofthetestproductmeetstherequirementsofrelevantnationalstandardsandcanbeappliedtotheactualpowergrid.Keywords:lowleakagemagneticreactor;temperaturerisetest;powerfrequencywithstandvoltagetest;lightningimpulsetest0引言干式空心电抗器具有质量轻、机械强度高、电感线性度好和噪声低等优点,在电力、冶金、化工和电气化铁道等领域获得广泛应用[1-3]。普通空心电抗器在工...