环保型绝缘气体技术经济性能综合评估研究李学妨1,史俊1,刘晓波2,张英3(1.云南电网有限责任公司普洱供电局,云南普洱665099;2.国网电力科学研究院武汉南瑞有限责任公司,武汉430073;3.贵州电网有限责任公司电力科学研究院,贵阳550002)摘要:SF6是一种强温室气体,排入环境危害巨大,研究能替代SF6的环保型绝缘气体是绿色发展的必然。文中首先简略介绍了针对SF6替代气体的研究情况,重点结合工程实际应用需求,提出了环保型气体多维度评价体系,并依据提出的评价标准对多种潜在的SF6替代气体进行了综合分析。综合理化性能、安全性能和绝缘性能多个维度评估,结果表明,C5F10O、C6F12O、C3F7CN综合性能优异,其中C5F10O、C6F12O混合气体具备应用于中低压设备,C3F7CN混合气体具备应用于中高压气体绝缘设备的潜力,该评估与目前的环保型绝缘气体设备的发展趋势相符,具有很好的参考性。关键词:SF6替代气体;多维度评价体系;C6F12O;C3F7CN;C5F10OResearchonComprehensiveAssessmentofTechnicalandEconomicPerformanceofEnvironmentallyFriendlyInsulatingGasLIXuefang1,SHIJun1,LIUXiaobo2,ZHANGYing3(1.YunnanPowerGridCo.,Ltd.Pu’erPowerSupplyBureau,YunnanPu’er665099,China;2.StateGridElectricPowerResearchInstituteWuhanNanruiCo.,Ltd.,Wuhan430073,China;3.ScientificResearchInstituteofElectricPower,GuizhouPowerGridCompanyLtd.,Guiyang550002,China)Abstract:SF6isapowerfulgreenhousewhichcausegreatharmtotheenvironmentincaseofrelease.Withthede⁃mandofgreenindustry,it’snecessarytoresearchSF6alternativegas.ThecurrentresearchsituationofSF6alterna⁃tivegasissimplyintroducedinthispaperatfirst.Themulti⁃dimensionalassessmentsystemforenvironment⁃friend⁃lygasincombinationwiththeneedofactualapplicationoftheprojectand,onthebasisoftheproposedstandards,themultiplepotentialSF6alternativegasesarecomprehensivelyanalyzed.Basedonthecomprehensiveassessmentofphysicalandchemicalproperties,safetypropertiesandinsulationproperties,theresultsshowthatC5F10O,C6F12OandC3F7CNhaveexcellentcomprehensiveperformance,inwhich,theC5F10OandC6F12Ogasmixturehasthepoten⁃tialtobeusedinmediumandlowvoltageequipment,whiletheC3F7CNgasmixturehasthepotentialtobeused...