小型水电站变压器安全运行研究

(,317205):,.,,,,.:;;:TV742:A:1008-536X(2008)04-0010-004SafeOperationofTransformersinSmallHydropowerStationsYANGYing-tong(LishimenReservoirAdministrationOfficeofTiantaiCounty,Tiantai317205,China)Abstract:BasedonthefailureanalysisandthemanagementexperiencesoftransformersinLishimenReservoirofTiantaiCounty,Zhe-jiang,thecausesandtreatmentsonabnormaloperationofthetransformerareintroducedinthispaper,suchasthethunderingnoiseandboostingtemperatureofthetransformer,theabnormalcolorandunconventionalstageoftheoil,overloadoperationandetc.Theeffectivetechnologicalmeasuresarealsodiscussed,includingtheinstallationandoperationofthetransformer,transformeroilmaintenance,opera-torson-jobtraining,in-timedailymaintenanceandsomeotheraspects,whichmayensurethesafeandstableoperationoftransformersinsmall-sizedhydropowerstations.Keywords:safeoperation;faulttreatment;transformer0,.,,,[1-4].1.,,,[4].,,,.,,,.:2008-09-22:(1975-),,,..11979,.268.9km2,1.99m3.40m,32750kW,2470kWh,1.2hm2.,10000kVA,35kV;2000kVA,10kV.1.,,.1.2204Vol.20No.4200812J.ZhejiangWat.Cons&Hydr.CollegeDec.2008.,,.[6]:11#2#1#2#S9-10000/35S7.1000/10S7.1000/10SJ-75/10SJ-75/6/kVA10000200020007575/kV38.522.5%105%10.55%106.3/kV6.36.36.30.40.4/A150115.5554.336.87/A916.4183.391.6108.2108.2/Hz505050505033333Y/11Y/11Y/11Y,Y012Y,Y0120.26%1.0%1.1%/kW9.3253.11.8/kW52.94819.81.67.58%5.36%5.53%4.26%4.24%1998111994111989419762197841(1),;(2),;(3);(4),;(5);(6);(7);(8),.,;,.3:;;;;.,,,..3.1,,,,,.,4:11.:(1)..,,,;,,().(2).,,.,.(3).,.,,,.(4).,,,.,.(5).,;,,,.,.(6),.,.,,.,,..(7).,,,.,.3.2,,:(1).,.(2),.(3),10,,,,.,.(4),.3.3,,.,,.,.,,.3.4,,.,,,,,,.,;,,.,.,,,.,,.44.1(1).(2),.(3).4.2..,..,81220,,.4.3(1).(2),.(3).(4),.(5)3.(6).,.,5.(7).,,,,.,,,,.,,,,.4.4.,,,,,,.5,,,,,,.30,.,.:[1].[J].,2007(8):62.[2],.[J].,2006(5):46-47.[3].[J].,2001(4):45-46.[4].[J].,2006(5):33.[5].[M].:,1999.[6].[M].:,2001.,,(ChinaInfo)(),.,,.,.,,.4:13