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1、SmartGrid智能电网,2016,6(5),341-351PublishedOnlineOctober2016inHans.http://www.hanspub.org/journal/sghttp://dx.doi.org/10.12677/sg.2016.65038HeatAgingTestResearchofXLPECableInsulationBasedonNMRZhilingWang1,QipengYang2,ZhaoLiu1,HaoYang2,LangHu11JiangjinPowerSupplyBranch,StateGridChongq
2、ingElectricPowerCompany,Chongqing2StateKeyLaboratoryofPowerTransmissionEquipment&SystemSecurityandNewTechnology,SchoolofElectricalEngineering,ChongqingUniversity,ChongqingthththReceived:Oct.8,2016;accepted:Oct.24,2016;published:Oct.27,2016Copyright©2016byauthorsandHansPublishersIn
3、c.ThisworkislicensedundertheCreativeCommonsAttributionInternationalLicense(CCBY).http://creativecommons.org/licenses/by/4.0/OpenAccessAbstractXLPEcablesarewidelyusedinthepowersystem;theagingbehaviorofXLPEcableinsulationbe-comesthebottleneckoflong-termsafeoperationofthepowersystem.
4、Theurgentneedistostudythelawandmechanismofaging.AlthoughtheXLPEhasgoodheatresistanceandelectricalprop-erties,inactuallong-termoperations,cablesarealwaysunderhightemperature,physicalandelectricalpropertiesoftheinsulatingmaterialareslowlychanged.ThisarticledidtheheatagingtestofXLPEi
5、nsulationmaterialaccordingtoIEC60287Standard.Withthehelpofnuclearmag-neticresonanceanalyzer,theresonancepeakintegrationareaandlongitudinalrelaxationtimeareselectedasthefeaturequantitiestocharacterizethedegreeofagingoftheinsulation.Themolecularstructureoftheinsulationmaterialisanal
6、yzedtoobtainamoreintuitiveagingresultswhiletakingadvantageofdifferentialscanningcalorimetryanalysisofthedifferentthermalagingofinsulationmaterialthermalperformanceanalysis,determinedtheglasstransitiontemperature,crystallinityandcrystallizationrateasindexofthermalperformanceanalysi
7、stechniques.KeywordsXLPE,HeatAging,NMR,MolecularStructure,DifferentialScanningCalorimetry基于核磁共振的XLPE电缆绝缘热老化试验研究12121王治玲，杨其鹏，刘钊，杨浩，胡浪文章引用:王治玲,杨其鹏,刘钊,杨浩,胡浪.基于核磁共振的XLPE电缆绝缘热老化试验研究[J].智能电网,2016,6(5):341-351.http://dx.doi.org/10.12677/sg.2016.65038王治玲等1国网重庆市电力公司江津供电分公司，重庆2重庆大学电气工程学院，输配
8、电装备及系统安全与新技术国家重点实验室，重庆收稿日期：2016年1
