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1、畢畢畢業(yè)業(yè)業(yè)業(yè)設(shè)設(shè)設(shè)設(shè)計(jì)計(jì)(論文)`題目220kV降壓變電所電氣一次系統(tǒng)設(shè)計(jì)（220/110/10kV，2/4/12回出線）院系電力工程系專業(yè)班級(jí)農(nóng)電05K1班學(xué)生姓名明振宇指導(dǎo)教師彭詠龍二二○○二○○九九年六月九年六月華北電力大學(xué)本科畢業(yè)設(shè)計(jì)（論文）220kV降壓變電所電氣一次系統(tǒng)設(shè)計(jì)（220/110/10kV，2/4/12回出線）摘要電能是現(xiàn)代城市發(fā)展的主要能源和動(dòng)力.隨著現(xiàn)代文明的發(fā)展與進(jìn)步，社會(huì)生產(chǎn)和生活對(duì)電能供應(yīng)的質(zhì)量和管理提出了越來(lái)越高的要求。城市供電系統(tǒng)的核心部分是變電所。因此，設(shè)計(jì)和建造一個(gè)安全、經(jīng)濟(jì)的變電所，是極為重要的。本變電所設(shè)計(jì)除了注重變電所設(shè)計(jì)
2、的基本計(jì)算外，對(duì)于主接線的選擇與論證等都作了充分的說(shuō)明，其主要內(nèi)容包括：變電所主接線方案的選擇，進(jìn)出線的選擇；變電所主變壓器臺(tái)數(shù)、容量和型式的確定；短路點(diǎn)的確定與短路電流的計(jì)算，電氣設(shè)備的選擇（斷路器，隔離開關(guān)，電壓互感器，電流互感器，避雷器）；配電裝置設(shè)計(jì)和總平面布置；防雷保護(hù)與接地系統(tǒng)的設(shè)計(jì)。另外，繪制了五張圖紙，包括：電氣主接線圖，電氣總平面布置圖，防雷與接地圖各一張，配電裝置斷面圖3~4張。圖紙規(guī)格與布圖規(guī)范都按照了電力系統(tǒng)相關(guān)的圖紙要求來(lái)進(jìn)行繪制。關(guān)鍵詞：變電所；電氣主接線；電氣設(shè)備；設(shè)計(jì)I華北電力大學(xué)本科畢業(yè)設(shè)計(jì)（論文）ADESIGNOFELETRICSYS
3、TEMFOR220kVTERMINALTRANSFORMERSUBSTATIONAbstractElectricenergyisthemainenergyanddynamismofmoderncitydevelopment.Withdevelopmentandprogressofmoderncivilization,socialproductionandisitputforwardhighrequestmoreandmoretoqualityandmanagementthatelectricenergysupplytolive.Thecoreofcityforsuppl
4、yingpoweristransformer.Itisveryimportanttodesignandbuildonesafeandeconomicaltransformersubstation.Besidespayingattentiontobasiccalculationofdesignfortransformersubstation,thedesignmakesatisfyingnarrationtowardchoiceandargumentationofmainconnection.Themaincontentofthisdesignincludethechoi
5、ceofmainconnectionfortransformersubstation;thechoiceofpassinandoutline;thecertaintyofnumber,capacitanceandmodelformaintransformer;thecertaintyofshortcircuitpointsandcalculationofshortcircuit;thechoiceelectricequipment(breaker,insulateswitch,voltagemutual-inductanceimplement,currentmutual
6、-inductanceimplement,arrester);thedesignfordistributionanddisposalforchiefplane;thedesignforlightningproofprotectionandearthsystem.Inaddition,drawingfiveblueprintsincludethemainwiringdiagram;thedisposaldrawingofelectricplane;thedrawingoflightningproofprotectionandearthsystem;Boththespeci
7、ficationofdrawingandthecriterionofdisposalisbasedonrequirementofdrawingtoelectricpowersystem.Keywords:Transformersubstation;Mainconnection;Electricequipment;DesignII華北電力大學(xué)本科畢業(yè)設(shè)計(jì)（論文）目錄摘要·······················································································
