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1、330kV棉兰变压器安装使用说明书共21页第21页330kVMadenTransformerInstallationandOperationManualTotal21pagePage21山东电力设备有限公司ShandongPowerEquipmentCompany安装使用说明书InstallationandOperationManual1DS.711.0923.ASSFP-260000/3301主体起吊运输1.Hoistingandtransportationofmainbody1.1变压器油箱为桶式结构，油箱的起吊和主体的起吊见变压器外
2、形图，吊绳和铅垂线的夹角不应大于300，否则应用平衡梁起吊；起吊主体时要同时使用所有的4只吊拌，所有吊绳的长度应相匹配，受力必须均匀，严防主体偏倒，油箱上的千斤顶支架供顶起变压器主体用，顶起主体时要同时使用所有的8个千斤顶支架。8个千斤顶要同步升降，严防主体倾斜和翻倒。1.1Oiltankoftransformerusesupperflangestructure,hoistingofupperoiltankandhoistingofmainbodyareshowninoutlinedrawingoftransformer,included
3、anglebetweenhoistingropeandplumblineshallnotbemorethan300,otherwisebalancebeamshallbeusedforhoisting;whenhoistingmainbody,alloffourliftinglugsshallbeusedatthesametime,lengthofallhoistingropesshallbethesameandtheirbearingforceshallbeuniform,tiltingandtippingofmainbodyarest
4、rictlyprohibited,jacksupportonloweroiltankisusedforjackingupmainbodyoftransformer,allofeightjacksupportsshallbeusedatthesametimewhenjackingupmainbody.Eightjacksshallriseanddropsynchronically,tiltingandtippingofmainbodyarestrictlyprohibited.1.2变压器主体尽量充油运输，运输前拆除的外部大型组件有：高压套
5、管、低压套管、中性点套管及接地套管，冷却器及其与主体的连接管、导气联管、压力释放阀、储油柜及升高座等。1.2Mainbodyoftransformershallbetransportedafterfillingoilasfaraspossible,largeexternalpartsthatshallbemovedbeforetransportationarehighvoltagebushing,lowvoltagebushing,neutralpointbushing,groundbushing,coolerandconnectionp
6、ipebetweencoolerandmainbody,gasconnectionpipe,pressurereliefvalves,oilconservator,turretsbaseandsoon.高压引线电缆用白布带固定在附近的引线支架上,油箱上部定位钉全部拧紧,变压器注油到离拱顶200mm。Highvoltageleadingcableisfixedonnearbyleadingwirebracketbywhiteclothstripe,upperpartofoiltankistightenedbypositioningpin,t
7、ransformershallbeaddedoilto200mmbelowthevault.1.3变压器主体充氮运输时(因运输及卸车等条件受限)，主体不带油，只在箱底留有部分残油，充以干燥的氮气，其压力为(20～30)kPa，纯度≥99.99%，露点≤-35℃。在变压器运输过程中氮气压力不得低于10kPa，并随时补充注入符合上述要求的氮气。1.3Whenmainbodyoftransformeristransportedafteraddingnitrogen(duetothelimitsofvariousconditionssuchast
8、ransportationandunloading),mainbodydoesn’tcarryoil,onlysomeresidueoilisatthebottomofoiltank,thet
