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时间:2018-07-18
《不带电条件下复合绝缘子与xp_70绝缘子自然积污特性对比分析_王建国》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、不带电条件下复合绝缘子与XP_70绝缘子自然积污特性对比分析_王建国 高电压技术 第39卷第4期2013年4月30日,VHihVoltaeEnineerinol.39,No.4,Aril30,2013ggggp957不带电条件下复合绝缘子与XP70绝缘子-自然积污特性对比分析王建国1,王 康1,姚森敬2,赵 灵2,方春华1()武汉大学电气工程学院,武汉4深圳供电局有限公司,深圳51.30072;2.18020摘 要:为研究复合绝缘子积污特性及与X选择深圳3P70绝缘子积污特性的区别,1处典型地区的输电杆塔对2-、种绝缘子不带电挂样进行了观测对比,分别测量了积污期为2a的绝缘子的等值附盐密度(等
2、值附灰密度ESDD)(,和2者之比(简称灰盐比,记为r并对比了复合绝缘子和X下表面与单片均值积/NSDD)P70绝缘子上表面、-EN))污特性的区别。结果表明:观测期内,复合绝缘子上表面附盐密度约为X下表面约为01P70绝缘子的2.2倍,.3-)倍,彼均值约为0复合绝缘子上表面等值附灰密度约为X下表面约为0片均.5倍;2P70绝缘子的3.6倍,.9倍,-)值约为1复合绝缘子灰盐比大致分布在1.4倍;30~30范围内,XP70绝缘子上表面灰盐比主要在5~25范围内,-下表面灰盐比和均值灰盐比主要分布在5~10范围内。关键词:复合绝缘子;XP70绝缘子;ESDD;NSDD;灰盐比;外绝缘配置-:/
3、()文章编号:.issn.1003DOI10.39696520.2013.04.02810036520201304095707----jComarisonandAnalsisonNaturalContaminationCharacteristicspyUncharedComositeInsulatorandXP70Insulatorof -gp11221,WANGWANGJianuoKanYAOSeninZHAOLinFANGChunhua gg,jg,g,(,Wu,Wu;1.SchoolofElectricalEnineerinhanUniversithan430072,China g
4、gy)2.ShenzhenPowerSulBureau,Shenzhen518020,Chinappy :,AbstractInordertostudthedifferencebetweencontaminationsoncomositeinsulatorsandXP70insulatorswe -yp ,comarativelobservedtwokindsofinsulatorsandselectedinsulatorsofuncharedhanon31transmissiontowers pygg ,,whichwerelocatedindifferentticalareasinS
5、henzhenChina.Moreoverwemeasuredtheeuivalentsaltdeosit ypqp,n,a/densitESDD)onsolubledeositdensitNSDD)ndtheratioofNSDDtoESDD(rfinsulators-y(py(NE)o,contaminatedfor2yearsandfiuredoutthedifferenceincharacteristicsoftheuersurfacecontaminationandthegpp,surfacecontaminationandtheaveraedeositdensitbetweenth
6、e2tesofinsulators.Theresultsareaslower gpyyp :),,,follows1ForcomositeinsulatorstheirESDDonuersurfaceESDDonlowersurfaceandtheaveraedeositpppgp),densitareabout2.2,0.3and0.5timesofthoseofXP70insulators.2ForcomositeinsulatorstheirNSDDon - yp ,N,uersurfaceSDDonlowersurfaceandtheaveraedeositdensitareabout
7、3.9,0.9and1.4timesofthoseof ppgpy ),//XP70insulators.3Therfcomositeinsulatorranesin10~30;forXP70insulatorstherftheuer- -pgppNEoNEo/surfaceranesin5~25,andtherfthelowersurfaceandtheaveraedeositdensitra
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