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1、.毕业设计[论文]题目:220kv双回路新型钢管塔设计学院:电气与信息工程学院专业:电气工程及其自动化姓名:学号:指导老师:完成时间:....摘要随着我国国民经济的持续发展,城市用电量每年递增,城市用电负荷逐步增大,高压输电线路进入城市已成为发展趋势。因此,在城市建设的220kV高压输电线路将越来越多。由于电缆线路造价昂贵,我国目前还不能普遍采用,所以必然以架空线路为主,钢管杆具有结构简单、强度高、造型美观、加工周期短、占地面积少、运输和安装方便省时等优点,适用于多回路不同电压等级同杆架设,与现代化城市发展相协调,被广泛应用于10~220kV输电线路的建设。根
2、据架空线路导线截面大,多种电压,多回路共杆,造价低的特点。与传统的钢筋混凝土电杆、角钢塔相比可以知道钢管杆具施工维护方便、强度高,为安全运行提供了有力保证;并且也可以设计较高的铁塔,以满足跨越人行道、树木的要求;易实现多回路,从而大大减少城市走廊的拥挤程度;不用打拉线,占地面积小,减少占用城市走廊;钢管塔可以实现全镀锌,防锈性能大大提高同时也使钢管杆造型美观,与周围环境比较协调的优点,本着重介绍设计 220kv双回路新型钢管塔设计。关键词:高压输电线,角钢塔,电力塔,双回路,架空线路..ABSTRACTAlongwithourcountrysustainabl
3、edevelopmentofnationaleconomy,thecityelectricityconsumptionincreasingeachyear,thecitypowerloadincreasing,highvoltagetransmissionlineintothecityhasbecomeadevelopmenttrend.Therefore,intheurbanconstructionof220kvhighvoltagetransmissionlinewillbemoreandmore.Duetocablelineconstructioncos
4、tisexpensive,itisnotwidelyusedinourcountry,soitisgiveprioritytowithoverheadline,steelrodhastheadvantagesofsimplestructure,highstrength,beautifulappearance,processingcycleisshort,coveranareaofless,easytotransportandinstalltimeetc,andissuitableformultiloopwithdifferentvoltagegradestem
5、erect,inharmonywiththemodernurbandevelopment,arewidelyusedintheconstructionof10~220kvpowertransmissionlines.Accordingtooverheadlineconductorcrosssection,avarietyofvoltage,multilooppole,thecharacteristicsoflowcost.Comparedwiththetraditionalreinforcedconcretepole,Anglesteeltowercankno
6、wconvenientmaintenance,highstrengthsteeltubepolewithconstruction,providesapowerfulguaranteethesafeoperation;CandesignhighEiffelTower,inordertomeettherequirementsofacrossthepavement,trees;Easytorealizemultiloop,thusgreatlyreducethecongestionofurbancorridor;Withoutacord,coveranareaofa
7、nareasmall,lessoccupyurbancorridors;Galvanizedsteelpipecolumncanachievefull,usesteeltubepolecoversanareaofless,aestheticallypleasing,comparedwiththesurroundingenvironmentcoordination,theadvantagesofthisdesigninstroducesThenew220kvdoubiecircuitsteeltowerdesign.Keywords:highvoltagetra
8、nsmissionline,Angle