第46卷第1期2023年2月电子器件ChineseJournalofElectronDevicesVol.46No.1Feb．2023项目来源:贵州电网有限责任公司资助项目(GZKJXM20182502)收稿日期:2021－03－25修改日期:2021－09－30ＲesearchonStateAnalysisandMaintenanceTechnologyofPrimaryandSecondaryIntegrationSwitchgear*WUPeng*，LIQianmin，HEHongliu，WANGZhuoyue，FUYu，ZHANGＲuifeng(ElectricpowerＲesearchInstituteofGuizhouPowerGridCo．Ltd．，GuiyangGuizhou550002，China)Abstract:Asoneofthemostwidelydistributedequipmentindistributionnetwork，poleswitchisthecarrierofdistributionprotectioncontrolandautomationfunction，andalsoanimportantequipmenttoensuretheoperationsafetyandpowersupplyreliabilityofdistribu-tionnetwork．However，infact，thefailurerateofpoleswitchesinpowersupplyenterpriseshasbeenhigh．Insomeareas，theon-linerateofpoleswitchesislessthan65%，andthereliableoperationrateisonlyabout50%，whichbringsgreathiddendangertothereliableop-erationofdistributionnetwork．Startingfromtheterminaloperationandmaintenancerequirementsofdistributionnetwork，combinedwiththeresearchandpracticestatusofprimaryandsecondaryfusiononcolumnswitch，focusingontheconventionaldefectsofoncolumnswitch，deeplycomparingthedifferencesofoperationandmaintenancemethodsbetweentraditionaloncolumnswitchandprimaryandsecondaryfusiononcolumnswitch，thestateanalysisandoperationandmaintenancetechnologyofprimaryandsecondaryfusiononcol-umnswitcharestudiedanddesigned，andtheprimaryandsecondaryfusiononcolumnswitchoperationandmaintenancebusinessor-ganizationmodeoflarge-scaleapplicationofequipmentisdeeplyanalyed．Throughtheresearch，theoperationandmaintenanceschemeofprimaryandsecondaryfusiononcolumnswitchwillbeputforward，whichwillprovideguidanceforthedesign，selectionandopera-tionandmaintenanceofprimaryandsecondaryfusiononcolumnswitch．Keywords:primaryandsecondaryintegration，switchgearassembly，integration，defectanalysis，operationandmaintenancetechnologyEEACC:8370doi:10．3969/j．issn．1005－9490．2023．01．030一二次融合柱上开关状态监测与运维技术研究*吴鹏*，李前敏...
