A2A2A0A1A3A3A0A1A4A5A6A7A10A8A9A11A12A13A14A15A16A17A18A19A201第一章應(yīng)該是摘要第二章原始資料（設(shè)計(jì)工程概況）11變電所規(guī)模及性質(zhì)大型城市變電站（終端站）電壓等級220KV/110KV/35KV線路回?cái)?shù)220KV本期2回交聯(lián)電纜（發(fā)展一回）；110KV本期4回電纜線路（發(fā)展2回）；35KV30回電纜線路，一次性配齊12短路參數(shù)及負(fù)荷情況見設(shè)計(jì)任務(wù)書。13設(shè)計(jì)內(nèi)容要求見設(shè)計(jì)任務(wù)書。（這兩部分應(yīng)該寫清楚）220KV變電站及其綜合自動化系統(tǒng)方案設(shè)計(jì)首先,確定了解變電站的功能,進(jìn)出線回?cái)?shù),變壓器臺數(shù),交換功率大小,然后確定母線型式,最后配置保護(hù),自動裝置A21A21A22A23A24A24A22A23A25A26A27A28A29A30A31A32A33A34A35A36A37A38A39A40A412第二章變電所電氣主接線的確定電氣主接線是電力系統(tǒng)的重要組成部分，它的設(shè)計(jì)形式直接關(guān)系全所電氣設(shè)備的選擇和配電裝置的布置。它的設(shè)計(jì)應(yīng)以設(shè)計(jì)任務(wù)書為依G6466，以G3281G4490G7389關(guān)G13475G8994G5326設(shè)G7053G19036G451G6931G12586及G7389關(guān)G6228G7427規(guī)G14551為G1946G2029，G13479G2524G5049G12255G1867G1319G10317G9869G7481確定，要求G4445全G2499G19764G451G12295定G9801G8975G451G7053G1427G13475G8994。21主變壓器容量和臺數(shù)的選擇211主變壓器的臺數(shù)G5465設(shè)計(jì)變電站為大型的城市變電站，負(fù)荷G17751重（本期最大負(fù)荷150G14210G323G250G48VG36,G17840期最大負(fù)荷240G14210G32450G48VG36），G2460G3252是城市變電站，負(fù)荷G17751為重要，G1000為終端變電站，要求電壓質(zhì)G18339是G2499以G16855G14422的，G10628G3324市G3342G990G10995G1147的變壓器的容G18339，選擇2臺變壓器G993能G9397G17287負(fù)荷的要求，G6117選擇4臺G11468G2528容G18339的變壓器。212主變壓器容G18339G7693G6466G17828G15904G13475G20576，變壓器的容G18339應(yīng)保G16789G3324G7389一臺G7828G1474的情況G991，G1866G1194變壓器能G5114全部負(fù)荷的G260G8，G6365任務(wù)書G13485定的G17176G7021（G6365G17840期最大負(fù)荷G12651），G23753臺主變的容G18339應(yīng)G9397G17287G260G8的負(fù)荷G19668求，G3252G8504本設(shè)計(jì)的主變G8611臺應(yīng)G5114負(fù)荷為G62（240G14210）G104G260G8G64/3G32105（G48VG36），所以G6117G1216選擇的主變?nèi)軬18339為120G48VG36變壓器。213主變型式本設(shè)計(jì)220KVG19489壓G2052110KV和35KV兩G1022電壓等級，G3252G8504G18331G11004G989G13481組變壓器。214G16855壓G7053式G7693G6466G3332G2318及負(fù)荷的要求，變壓器選擇G7389G17745G16855壓G7053式。G7693G6466以G990G2419G2029，G7609G19417G7389關(guān)G17176G7021，選擇的主變壓器G6228G7427數(shù)G6466G3926G991型G2507G54G41G51G54G61A42G16120000/220容G18339120G48VG36容G18339G8616120/120/120A43A43A44A45A46A46A44A45A47A48A49A50A51A52A53A54A55A56A57A58A59A60A61A62A633G20081定電壓G20652壓220G102G27G104125G8G1025壓121G1314壓3G275聯(lián)G13479組G7643G2507G60G49，G92G810,G7111G6451G13803G12366G17745144KG58負(fù)G177454G270KG58G12366G17745電G89810G28G8G19471G6251電壓G20652G16G102514G8G20652G16G131424G8G1025G16G1314G28G822電氣主接線方案的擬定221G7053G7708（見圖2G161）圖2G161分析G3252本220KV變電所G993僅供本G3332G2318的負(fù)荷，還G19489壓G2052110KV向另一終端變電所轉(zhuǎn)供大G18339的負(fù)荷，所以G7053G7708G3324220KVG20652壓側(cè)G18331G11004“雙母線G5114旁路接線”，它G1867G7389供電G2499G19764G451G7828G1474G7053G1427G451G16855度G9801G8975及G1427于擴(kuò)G5326等優(yōu)G9869。110KV側(cè)G18331G11004“雙母A43A43A44A45A46A46A44A45A47A48A49A50A51A52A53A54A55A56A57A58A59A60A61A62A634線接線”。35KV側(cè)G18331G11004“單母線分段G5114旁路接線”，G1427于分段G7828G1474母線及各出線斷路器。當(dāng)一段母線發(fā)G10995故障時(shí)，自動裝置將分段斷路器跳開，保G16789正常母線G993間斷供電，兩段母線G2528時(shí)故障的機(jī)率極小，G2499以G993予考慮。222G7053G7708（見圖2G162）分析考慮220KV本期只G7389兩條進(jìn)線及本所只G7389兩臺主變壓器，所以G7053G7708G3324220KVG20652壓側(cè)G18331G11004“單母線分段接線”，G18331G11004“單母線分段接線”雖然使G11004斷路圖2G162器數(shù)G18339少G451布置簡單G451占G3332少G451造價(jià)G1314，但G3324變壓器故障時(shí)G19668停G11468應(yīng)線路，G1000隔離開關(guān)G2460作為操作電器，所以G2499G19764性差。110KV側(cè)G18331G11004“單母線分段接線”，四條出線從G993G2528分段G990引接以提G20652供電G2499G19764性，G8504種接法的優(yōu)G9869表G10628G3324簡單清晰，設(shè)備少，投G17176小，G17828G15904操作G7053G1427，G1427于分段G7828G1474母線。當(dāng)一段母線發(fā)G10995故障時(shí)，自動裝置將分段斷路器跳開，保G16789正常母線G993間斷供電，兩段母線G2528時(shí)A43A43A44A45A46A46A44A45A47A48A49A50A51A52A53A54A55A56A57A58A59A60A61A62A635故障的機(jī)率極小，G2499以G993予考慮。當(dāng)一條出線斷路器故障或G7828G1474試G20576時(shí)，G993會對另一終端變電所造成停電。35KV側(cè)G18331G11004“單母線分段G5114旁路接線”，G8504接線的優(yōu)缺G9869已G3324前文G1025敘述，G993再贅述。223G7053G7708（見圖2G163）圖2G163分析G7053G7708G3324220KVG20652壓側(cè)G18331G11004“單母線分段接線”。110KV側(cè)G18331G11004“雙母線接線”，它G1867G7389供電G2499G19764G451G7828G1474G7053G1427G451G16855度G9801G8975及G1427于擴(kuò)G5326等優(yōu)G9869，但當(dāng)母線系統(tǒng)故障時(shí)，G19668短時(shí)切除四條出線，使另一終端變電所全停。35KV側(cè)G18331G11004“單母線G5114旁路接線”，雖然對斷路器G7828G1474試G20576等均G7389好處，但當(dāng)母線故障時(shí)，會造成10KVG11004戶斷電，G2499G19764性差，故G993宜G18331G11004。224G7053G7708（見圖2G164）分析本G7053G7708G3324220KV側(cè)G18331G11004“單母線接線”，雖簡單清晰，設(shè)備少，A43A43A44A45A46A46A44A45A47A48A49A50A51A52A53A54A55A56A57A58A59A60A61A62A636圖2G164投G17176小，但當(dāng)母線出G10628故障時(shí)，會造成全所停電及另一終端站的停電。供電G2499G19764性G993好。110KV側(cè)G18331G11004“雙母線分段接線”，它G2528時(shí)G1867備雙母線和單母線分段的G10317G9869，G1867G7389很G20652的G2499G19764性和G9801G8975性，但由于G20652壓斷路器及配電裝置投G17176G17751大，只適G2524于G2510KV電壓等級。35KV側(cè)G18331G11004“雙母線接線”它G1867G7389供電G2499G19764G451G7828G1474G7053G1427G451G16855度G9801G8975及G1427于擴(kuò)G5326等優(yōu)G9869，但當(dāng)出線斷路器G7828G1474或故障時(shí)，無法將負(fù)荷及時(shí)送出，會造成重要G11004戶的長時(shí)停電，故G993宜G18331G11004。225G7053G7708（見圖2G165）分析G7053G7708的220KV側(cè)G18331G11004“單母線接線”，G8504接法的優(yōu)G9869表G10628G3324簡單清晰，設(shè)備少，投G17176小，但當(dāng)母線出G10628故障時(shí)，會造成全所停電及另一終端站的停電。110KV側(cè)G18331G11004“雙母線G5114旁路接線”，G1867G7389十分好的G2499G19764性及G9801G8975性，但使G11004設(shè)備多，投G17176大。35KV側(cè)G18331G11004“單母線接線”，G8504接法的優(yōu)G9869表G10628G3324簡單清晰，A64A64A65A66A67A67A65A66A68A69A70A71A72A73A74A75A76A77A78A79A80A81A82A83A847圖2G165設(shè)備少，投G17176小，但當(dāng)母線出G10628故障或短路器G7828G1474試G20576時(shí)會造成10KV重要G11004戶的長時(shí)間的停電。由以G990的分析，初步選定G7053G7708和G7053G7708為本設(shè)計(jì)的主接線G7053G7708，G13475詳細(xì)的G8616G17751后選定最終G7053G7708。23最佳方案的確定G6117G3281變電所設(shè)計(jì)G6228G7427規(guī)G12255規(guī)定“變電所的主接線應(yīng)G7693G6466變電所G3324電力系統(tǒng)G1025的G3332位G451回路數(shù)G451設(shè)備G10317G9869及負(fù)荷性質(zhì)等條件確定，并G1000應(yīng)G9397G17287G17828G15904G2499G19764，簡單G9801G8975，操作G7053G1427和G14422約投G17176等要求”。G10628就G7053G7708和G7053G7708的G2499G19764性G451G9801G8975性和G13475G8994性進(jìn)G15904詳細(xì)G3332G8616G17751，篩選出最佳G7053G7708。1G451供電G2499G19764性的G8616G17751G7053G7708的220KVG20652壓側(cè)G18331G11004“雙母線G5114旁路接線”，當(dāng)一段母線出G10628故障時(shí)，A85A85A86A87A88A88A86A87A89A90A91A92A93A94A95A96A97A98A99A100A101A102A103A104A1058及時(shí)將G17828G15904G7053式改變G2052另一母線G990G17828G15904，只能短時(shí)造成全所停電及另一終端站的停電。而G7053G7708的220KV側(cè)G18331G11004“單母線接線”，當(dāng)母線出G10628故障時(shí)，就會造成全所及另一終端站的長時(shí)間的停電。110KV側(cè)接線G7053式的G2499G19764性基本G11468G2528，G993G19668G8616G17751。35KV側(cè)G7053G7708G18331G11004“單母線分段G5114旁路接線”，當(dāng)一段母線發(fā)G10995故障時(shí)，保護(hù)裝置將分段斷路器跳開，保G16789正常母線G993間斷供電，G993會造成35KV的G11004戶全部停電，G1000故障段的重要G11004戶G2499G13475過旁路母線G5114出。G7053G7708G102535KV側(cè)G18331G11004“單母線接線”，當(dāng)母線出G10628故障或出線短路器故障時(shí)會造成35KV重要G11004戶的長時(shí)間的停電。兩G7053G7708的G2499G19764性G11468G8616G17751，G7053G7708的G2499G19764性G17840G8616G7053G7708的G2499G19764性強(qiáng)。2G451G9801G8975性的G8616G17751220KV側(cè)G7053G7708G2499選擇任一段母線G17828G15904，隨時(shí)G7828G1474任一組斷路器及母線G990的設(shè)備，G7053G7708的接線就只能一種G7053式G17828G15904。110KV側(cè)兩G7053G7708都G1867G7389很G20652的G9801G8975性，雖然G7053G7708的G9801G8975性要G20652一些，G2375G8611條出線斷路器的G7828G1474G451試G20576都G2499隨時(shí)進(jìn)G15904，但是四條出線向另一終端站送電，沒G7389必要選擇G8504種G9801G8975性。35KV側(cè)兩G7053G7708G17828G15904G16855度G9801G8975，四臺主變G2499以單獨(dú)并列G17828G15904，也G2499全部并列G17828G15904。但是主變解列G17828G15904時(shí)G7053G7708的負(fù)荷G2499分別由四臺G1025的兩臺主變G5114出，G7053G7708的負(fù)荷只能由G1866G1025兩臺主變G5114出，另兩臺主變G12366G17745。3G451G13475G8994性的G8616G17751G3324主接線設(shè)計(jì)時(shí)，主要矛盾往往發(fā)G10995G2499G19764性與G13475G8994性之間，G3252G8504G3324G9397G17287供電G2499G19764，G17828G15904G9801G8975G7053G1427的基礎(chǔ)G990，盡G18339使設(shè)備投G17176G17165G11004和G17828G15904G17165G11004為最少。G7053G7708G8616G7053G7708220KVG45135KV設(shè)備多。但110KV設(shè)備G7053G7708G8616G7053G7708少一些。G1120G13785G11468G8616，G7053G7708G8616G7053G7708投G1849的G17176G18341要多一些。A106A106A107A108A109A109A107A108A110A111A112A113A114A115A116A117A118A119A120A121A122A123A124A125A1269雖然G7053G7708G8616G7053G7708投G1849G17176G18341多，但從G2499G19764性和G9801G8975性G13520G2524的G11487，G7053G7708G7186然優(yōu)于G7053G7708的設(shè)計(jì)。G3252G8504本設(shè)計(jì)最終確定的G7053G7708為設(shè)計(jì)G7053G7708。24所用電源的引接241所用電源引接的原則1G451負(fù)荷的種G12879本變電所的所G11004電負(fù)荷主要是變壓器強(qiáng)G17855G8845G5502G10627G1931G2376裝置的G8845G8905G451G20130G6171；G15000電G8756G1817電設(shè)備；G8845處G10714設(shè)備；G18331G7274G17902G20130；G10043G7138及供G8712G8905G11004電等。2G451負(fù)荷的重要性G3252本所兩臺主變壓器為強(qiáng)G17855G8845G5502G10627G1931G2376的變壓器，要求所G11004變分別接G3324兩G1022G993G2528的電G9316G990，以保G16789G3324變電所所內(nèi)停電時(shí)，G1185能使所G11004電G5483G2052G993間斷的供電。242所G11004變的供電電壓及型G2507G451容G18339所G11004電G4658于G1314壓G11004戶，本站G4658大型的220KV變電站，G1866供電電壓為3G270VG989G11468四線G2058，G11004電容G18339都G17751110KV大，G3252G8504將供電電壓選為35KV。選擇G54G47A127G16500/35，G1314壓04KV,容G18339500KVG36變壓器兩臺。243供電G7053式供電G2499G19764性是所G11004電的首要保G16789，G3324本供電系統(tǒng)G1025所G11004電應(yīng)為0級G11004戶。G13479G2524G1866供電電壓及G1866容G18339，G2499將一臺所G11004變壓器引接于35KV段母線G990，另一臺所G11004變壓器引接于35KV段母線G990。兩所G11004電G9316G18331G11004G7138備G11004G7053式，并G1000裝設(shè)備G11004電G9316自動投G1849裝置G7481保G16789G1866G2499G19764性。A128A128A129A130A131A131A129A130A132A133A134A135A136A137A138A139A140A141A142A143A144A145A146A147A14810第三章短路電流的計(jì)算31短路電流計(jì)算的目的及規(guī)定311短路電G8981計(jì)G12651的G11458的G3324變電所的電氣設(shè)計(jì)G1025，短路電G8981計(jì)G12651是G1866G1025的一G1022重要G10627G14422。G3324選擇電氣設(shè)備時(shí)，為保G16789G3324正常G17828G15904和故障情況G991都能G4445全G451G2499G19764G3332G5049作，G19668要進(jìn)G15904全G19766的短路電G8981計(jì)G12651。G1375G3926計(jì)G12651G7588一時(shí)G2063的短路電G8981G7389G6940G1552，G11004以G7669G20576開關(guān)設(shè)備的開斷能力和確定電G6251器的電G6251G1552；計(jì)G12651短路后G17751長時(shí)間短路電G8981G7389G6940G1552，G11004以G7669G20576設(shè)備的G9921G12295定G1552；計(jì)G12651短路電G8981G1926G1999G1552，G11004以G7669G20576設(shè)備動G12295定。312短路電G8981計(jì)G12651的一G14336規(guī)定3121電力系統(tǒng)G1025所G7389電G9316均G3324G20081定負(fù)荷G991G17828G15904；3122短路種G12879一G14336以G989G11468短路計(jì)G12651；3123接線G7053式應(yīng)是G2499能發(fā)G10995最大短路電G8981的正常G7053式（G2375最大G17828G15904G7053式），而G993能G11004僅G3324切換過G12255G1025G2499能并列G17828G15904的接線G7053式。3124短路電G8981計(jì)G12651G9869G3324正常接線G7053式時(shí)，G17902過電氣設(shè)備的短路電G8981為最大的G3332G9869。3125計(jì)G12651容G18339應(yīng)G6365G5049G12255設(shè)計(jì)規(guī)G2022容G18339計(jì)G12651，并考慮系統(tǒng)發(fā)展規(guī)G2022。32短路電流的計(jì)算G2474基G1946容G18339為G54A149G32100G48VG36，基G1946電壓為G56A149G32G56A150G2460依G1856式G44A151G32G54A149/G2843G56A152；G59A149G32G56A149A153/G54A149，計(jì)G12651出基G1946G1552G3926G991表所G12046（G54A149G32100G48VG36）G56A149（KV）2301153G26G44A149（KG36）0251050215G25G59A149（G161）52G2813213G26321計(jì)G12651變壓器電G6251A154A154A155A156A157A157A155A156A158A159A160A161A162A163A164A165A166A167A168A169A170A171A172A173A17411G56A175A176G8G321/2G62G56A175A177A176A178A179A180G8G14G56A175A177A181A178A176A180G8G16G56A175A177A179A178A181A180G8G64G321/2G6214G1424G16G28G64G32145G56A175A179G8G321/2G62G56A175A177A176A178A179A180G8G14G56A175A177A179A178A181A180G8G16G56A175A177A181A178A176A180G8G64G321/2G6214G14G28G1624G64G32G161G3000G56A175A181G8G321/2G62G56A175A177A181A178A176A180G8G14G56A175A177A179A178A181A180G8G16G56A175A177A176A178A179A180G8G64G321/2G62G28G1424G1614G64G32G285G59A182A176A183G32G11G56A175A176G8/100G12G104G11G54A184/G54A185G12G32145/120G320120G27G59A182A179A183G32G11G56A175A179G8/100G12G104G11G54A184/G54A185G12G320G59A182A181A183G32G11G56A175A181G8/100G12G104G11G54A184/G54A185G12G32G285/120G3200G26G28322系統(tǒng)電G6251（G7693G6466G2419G3999G17176G7021）G17829期G59A186A187A188A176A183G3201334；G59A186A187A188A189A183G3201G2653；G59A186A190A191A176A183G3201245G30G59A186A190A191A189A183G320231G28G30G17840期G59A186A187A188A176A183G320113G28；G59A186A187A188A189A183G32014G27G27；A154A154A155A156A157A157A155A156A158A159A160A161A162A163A164A165A166A167A168A169A170A171A172A173A17412323系統(tǒng)計(jì)G12651電路圖及等G1552G13605G13488圖G3926圖3G161G451圖3G162和圖3G163圖32等G1552為A154A154A155A156A157A157A155A156A158A159A160A161A162A163A164A165A166A167A168A169A170A171A172A173A17413圖33324短路計(jì)G12651G9869的選擇選擇G3926圖3G162G1025的G71A176G451G71A179G451G71A181各G9869。325短路電G8981計(jì)G126511G451G71A192G9869短路時(shí)G56G83G32230G78G89G8981G13475進(jìn)線回路的短路電G8981的計(jì)G12651G44”A193G32G44A193A194G321/G59A192A193G3210/0113G28G32G27G26G27G8611G1022回路的G989G11468短路電G8981為G44”G32（G44”A193G13G44A195）/4G32（G27G26G27G130251）/4G3211KG36兩G11468短路電G8981分別為0G27G25G25G1311G320G285KG36G1926G1999電G8981為G76A196A197G32255G44”G32255G10411G322G2705（KG36）短路容G18339為G54G32G2843G56A195G44”G321G2632G104230G10411G3243G272（G48VG36）G44A196A197G32151G13G44”G32151G10411G321G25G25（KG36）A198A198A199A200A201A201A199A200A202A203A204A205A206A207A208A209A210A211A212A213A214A215A216A217A218142G451G71A219G9869短路時(shí)G56G83G32115G78G89G8981G13475主變回路的短路電G8981的計(jì)G12651G44”A220G32G44A220A221G321/G59A222A220G3210/G110113G28G1400302G140G12G32G25G284G8611G1022回路的G989G11468短路電G8981為G44”G32（G44”A220G13G44A223）/4G32（G25G284G130502）/4G320G27G26KG36兩G11468短路電G8981分別為0G27G25G25G130G27G26G320G2654KG36G1926G1999電G8981為G76A224A225G32255G13G44”G32255G1040G27G26G32221G27（KG36）短路容G18339為G54G32G2843G56A223G13G44”G321G2632G104115G1040G27G26G321G2632G27（G48VG36）G44A224A225G32151G13G44”G32151G1040G27G26G32131（KG36）3G451G71A226G9869短路時(shí)G56G83G323G26G78G89G8981G13475主變回路的短路電G8981的計(jì)G12651G44”A220G32G44A220A221G321/G59A222A220G3210/G110113G28G1400302G14001G28G265G12G32G25105G8611G1022回路的G989G11468短路電G8981為G44”G32（G44”A220G13G44A223）/4G32（G25105G1315G25）/4G320G2755KG36兩G11468短路電G8981分別為0G27G25G25G130G2755G320G264KG36G1926G1999電G8981為G76A224A225G32255G13G44”G32255G1040G2755G3221G27（KG36）短路容G18339為G54G32G2843G56A223G13G44”G321G2632G1043G26G1040G2755G3254G26G28（G48VG36）G44A224A225G32151G13G44”G32151G1040G2755G3212G28（KG36）32G25將所計(jì)G12651最大G7053式G991短路電G8981G1552列成G991表A227A228A229A230A231基G1946電壓（KV）G44”（KG36）G989G11468G44”（KG36）兩G11468G76A224A225（KG36）G44A224A225（KG36）G54（G48VG36）G71A222230110G2852G27051G25G2543G272G71A2321150G27G260G2654221G271311G2632G27G71A2263G260G27550G26421G2712G2854G26G28A233A233A234A235A236A236A234A235A237A238A239A240A241A242A243A244A245A246A247A248A249A250A251A252A25315第四章電氣設(shè)備的選擇41選擇設(shè)計(jì)的一般規(guī)定電氣設(shè)備的選擇設(shè)計(jì)，G2528G7691必G20047G6203G15904G3281G4490的G7389關(guān)G6228G7427G13475G8994G6931G12586，并應(yīng)G1582G2052G6228G7427先進(jìn)，G13475G8994G2524G10714，G4445全G2499G19764，G17828G15904G7053G1427和適當(dāng)?shù)腉11053G7389G1325G3332，以G9397G17287電力系統(tǒng)G4445全G13475G8994G17828G15904的G19668求。電氣設(shè)備的選擇，應(yīng)依G6466以G991規(guī)定411一G14336G2419G20291G451應(yīng)G9397G17287正常G17828G15904G451G7828G1474G451短路和過電壓情況G991的要求，并考慮G17840G7235發(fā)展的G19668要；2G451應(yīng)G6365當(dāng)G3332G10627G3671條件G7669G7692；3G451應(yīng)力求G6228G7427先進(jìn)和G13475G8994G2524G10714；4G451選擇G4560G1319時(shí)應(yīng)盡G18339G1955少G2709種；5G451擴(kuò)G5326G5049G12255應(yīng)盡G18339使G7044G13781設(shè)備型G2507一G14280；G25G451選G11004的G7044G1147G2709，均應(yīng)G1867G7389G2499G19764的試G20576數(shù)G6466，并G13475正式G18504定G2524G7696。412G7389關(guān)的G1972G20045規(guī)定電氣設(shè)備應(yīng)G6365正常G17828G15904情況選擇，G6365短路條件G20576G12651G1866動G451G9921G12295定，并G6365G10627G3671條件G7669G7692設(shè)備的基本使G11004條件。1G451正常G17828G15904條件G991，各回路的G6357G13505G5049作電G8981應(yīng)G6365規(guī)定G1856式計(jì)G12651；2G451G20576G12651電氣設(shè)備時(shí)，所G11004短路電G8981的G1552一定要是G3324規(guī)定的條件G991求G5483；3G451G20576G12651G4560G1319短路G9921G12295定時(shí)，所G11004的時(shí)間一G14336G18331G11004主保護(hù)的動作時(shí)間G2164G11468應(yīng)的斷路器全分G19404時(shí)間，G2528時(shí)要考慮G2052主保護(hù)的G8527G2318；電氣設(shè)備的短路電G8981計(jì)G12651時(shí)間，一G14336G18331G11004后備保護(hù)的動作時(shí)間G2164G11468應(yīng)的斷路器全分G19404時(shí)間；4G451G10627G3671條件選擇G4560G1319和電器時(shí)，應(yīng)G6365當(dāng)G3332G10627G3671條件G7669G7692。當(dāng)氣G9213G451G20130G17907G451A254A254A255A2A0A0A255A2A1A3A4A5A10A6A7A8A9A11A12A13A14A15A16A17A1816G9299度G451G8757G12241G451G9035G6312G451G3332G19675G451G16218G1924等G10627G3671條件G17241出一G14336電器的規(guī)定時(shí)，應(yīng)G17902過G6228G7427G13475G8994G8616G17751后分別G18331G2474G991列G6526G70571）向G2058造部G19388提出G15929G1817要求，G16758G2058G12538G2524當(dāng)G3332G10627G3671的G1147G2709；2）G3324設(shè)計(jì)或G17828G15904G1025G18331G2474G11468應(yīng)的G19462護(hù)G6526G7057G3926G18331G11004G4639內(nèi)配電裝置，G2164G1955G19675器等。42電氣設(shè)備的選擇與校驗(yàn)421主變壓器G6357G13505G5049作電G8981的計(jì)G12651G29220KVG20652壓側(cè)G44A24A19A20A21G32105G44A25G32105G54A25/G2843G56A25G32105G104120000/1G2632G104220G32330G25G26（G36）110KVG1025壓側(cè)G44A24A19A20A21G32105G44A25G32105G54A25/G2843G56A25G32105G104120000/1G2632G104110G32G25G25135（G36）35KVG1314壓側(cè)G44A24A19A20A21G32105G44A25G32105G54A25/G2843G56A25G32105G104120000/1G2632G10435G3220G26G2752（G36）422斷路器及隔離開關(guān)的選擇1G451220KV斷路器及隔離開關(guān)的選擇G20081定參數(shù)及短路電G8981計(jì)G12651數(shù)G6466斷路器隔離開關(guān)G54G58G25G16220/1200G42G584G16220G39/1000G56A25G32220（KV）220220A22A22A23A26A27A27A23A26A28A29A30A31A32A33A34A35A36A37A38A39A40A41A42A43A4417G44A45A46A47A48G32330G25G26（G36）12001000G44”G3211（KG36）2123G26G76A49A50G322G2705（KG36）55G270G44A49A50G321G25G25（KG36）21G54G3243G272（G48VG36）G25000斷路器G7669G20576動G12295定G29G76A49A50G322G2705（KG36）G76A51A52A53G3255（KG36）G76A51A52A53G33G76A49A50故G2524G7696G9921G12295定G29“G321G87A54A55G320G275G87G321G54G44A56A57G87A54A58G3211G1311G130G275G44A55A57A59G87G3255G1355G131所以G44A56A57G87A54A58G44A55A57A59G87所選型G2507G12538G2524要求隔離開關(guān)G7669G20576G29動G12295定G76A49A50G322G2705（KG36）G76A51A52A53G32G270（KG36）G76A51A52A53G33G76A49A50故G2524G7696G9921G12295定G44A56A57G87A54A58G44A55A57A59G87所選型G2507G12538G2524要求2G451主變110KV及35KV側(cè)斷路器及隔離開關(guān)的選擇A60A60A61A62A63A63A61A62A64A65A66A67A68A69A70A71A72A73A74A75A76A77A78A79A8018110KV側(cè)G20081定參數(shù)及短路電G8981計(jì)G12651數(shù)G6466斷路器隔離開關(guān)G54G584G16110/1000G42G584G16110G39/1000G56A81G32110（KV）110110G44A82A83A84A85G32G25G25135（G36）10001000G44”G320G27G26（KG36）1G27423G26G76A86A87G32221G27（KG36）55G270G44A86A87G32131（KG36）21（5G86）G54G321G2632G27（G48VG36）3500斷路器G7669G20576G29動G12295定G29G76A86A87G32221G27（KG36）G76A88A89A90G3255（KG36）G76A88A89A90G33G76A86A87故G2524G7696G9921G12295定G29“G321G87A91A92G320G275G87G321G54G44A93A94G87A91A95G320G27G26G130G27G26G130G275G44A92A94A96G87G3255G1355G131所以G44A93A94G87A91A95G44A92A94A96G87所選型G2507G12538G2524要求隔離開關(guān)G7669G20576G29動G12295定G76A88A89A90G33G76A86A87G9921G12295定G44A93A94G87A91A95G44A92A94A96G87所選型G2507G12538G2524要求35KV側(cè)G29G20081定參數(shù)及短路電G8981計(jì)G12651數(shù)G6466斷路器隔離開關(guān)G43G37G1635/3150G42G584G1635G39/4000A97A97A98A99A100A100A98A99A101A102A103A104A105A106A107A108A109A110A111A112A113A114A115A116A11719G56A118G3235（KV）3535G44A119A120A121A122G3220G26G2752（G36）31504000G44”G320G2755（KG36）4040G76A123A124G3221G27（KG36）100104G44A123A124G3212G28（KG36）40G115G54G12G54G3254G26G28（G48VG36）2425斷路器G7669G20576動G12295定G29G76A123A124G3221G27（KG36）G76A125A126A127G32100（KG36）G76A125A126A127G33G76A123A124故G2524G7696G9921G12295定G29“G321G87A128A129G320G275G87G321G54G44A130A131G87A128A132G320G2755G130G2755G130G275G44A129A131A133G87G32100G13100G131所以G44A130A131G87A128A132G44A129A131A133G87所選型G2507G12538G2524要求隔離開關(guān)G7669G20576G29動G12295定G76A125A126A127G33G76A123A124G9921G12295定G44A130A131G87A128A132G44A129A131A133G87所選型G2507G12538G2524要求3G45135KV出線G451旁路及所變斷路器及隔離開關(guān)的選擇35KV出線G451旁路及所變斷路器選擇G54G582G1635型，主要參數(shù)G3926G991型G2507G54G582G1635G20081定電壓35KV最大電壓405KVG20081定電G89811500G36G20081定開斷電G898124G27KG36斷開容G183391500G48VG36G9921G12295定電G898124G27KG36（4G54）極G19492G17902過電G8981G2534KG36A134A134A135A136A137A137A135A136A138A139A140A141A142A143A144A145A146A147A148A149A150A151A152A153A1542035KV出線G451旁路及所變隔離開關(guān)選擇G42G584G1635G39，主要參數(shù)G3926G991型G2507G42G584G1635G39G20081定電壓35KVG20081定電G89811000G36G9921G12295定電G898123G26KG36（4G54）動G12295定電G8981G270KG36斷路器型式的選擇，除G19668G9397G17287各G20045G6228G7427條件和G10627G3671條件G3818，還應(yīng)考慮G1427于G4445裝G16855試和G17828G15904G13512護(hù)，并G13475G6228G7427G13475G8994G8616G17751G6177能確定，G7693G6466當(dāng)前G6117G3281G10995G1147G2058造情況，3220KV電G13605一G14336G18331G11004少G8845斷路器。35KVG3252要求容G18339大，G18331G11004G1857G8691G2282G11839斷路器。隔離開關(guān)型式的選擇，應(yīng)G7693G6466配電裝置的布置G10317G9869和使G11004等G3252G13044，進(jìn)G15904G13520G2524的G6228G7427G13475G8994G8616G17751后確定。本G7053G7708對35KV側(cè)G18331G11004G4639內(nèi)式，對110KVG451220KVG18331G11004G4639G3818式。220KV進(jìn)線G451主變G451母聯(lián)斷路器及隔離開關(guān)G18331G11004G11468G2528型G2507。110KV主變G451母聯(lián)G451出線斷路器及隔離開關(guān)G18331G11004G11468G25