学院毕业设计(论文)说明书题目:地区凝气式火力发电厂电气部分设计系别:专业班级:学生姓名:指导教师:教研室:提交时间:浙江大学管理学院EDP网站www.zju.edpmd.org浙江大学管理学院在厚学网合作的网站http://www.houxue.com/xuexiao/35852/通过在厚学网报名学费可优惠浙江大学管理学院微博http://t.qq.com/zjuedpmd地区凝气式火力发电厂电气部分设计摘要毕业设计是对所学知识的一次综合性运用,能够加深我们对基础知识的理解,为以后的工作打下良好基础。本设计严格遵循发电厂电气部分的设计原则,主要介绍了发电厂电气一次部分设计的基本知识,包括设计原则、步骤和计算方法等。通过对电气主接线的设计和计算、厂用电的设计、短路电流的计算、电气设备的选择和校验以及配电装置的设计,简要完成了对所给(3×100MW)凝汽式发电厂的电气一次部分的设计。关键词:火力发电厂;电气部分;供配电;主接线设计。Ⅰ本科毕业(设计)论文ABSTRACTThegraduationprojectistostudiestheknowledgeacomprehensiveutilization,candeepenustotheelementaryknowledgeunderstanding;willbuildthegoodfoundationforthelaterwork.Apowerplantwiringrefersistotheuserpowersupplypart.Amongthem,foreignpowersupplypartialnamesprimarilywiring.Thepartwhichsuppliespowertoiniscalledthefactoryforthepowerplantproductionandstaff'slife(tostand)useselectricitythewiring.Therefore,carriesonthesciencetoitthedesigntohavethenecessityverymuch.Thisdesignstrictlyfollowsthepowerplantelectricitypartialprincipleofdesign,mainlyintroducedpowerplantelectricitypartialdesignselementaryknowledge,includingprincipleofdesign,stepandcomputationalmethodandsoon.Throughdesignandcomputation,short-circuitcurrentcomputation,electricalequipmentchoiceandverificationaswellaspowerdistributionequipmentdesignwhichtotheelectricalhostwiringdesignandthecomputation,thefactoryuseselectricity,brieflycompletedtohasgiven(3×100MW)powerplantelectricalpartialdesigns.KEYWORDS:Thermalpowerplant;Theelectricityarepartial;Forpowerdistribution;Mainwiringdesign.Ⅱ地区凝气式火力发电厂电气部分设计目录摘要..............................................................ⅠABSTRACT........................................................Ⅱ第1章引言.........................................................1第2章原始资料.....................................................2第3章电气主接线的设计.............................................33.1电气主接线的设计............................................33.1.1电气主接线的叙述.......................................33.1.2给出两种方案...........................................43.2厂用电的设计................................................63.2.1厂用电负荷分类.........................................63.2.2厂用电设计原则.........................................6第4章主变压器的选择...............................................94.1主变压器台数的确定..........................................94.2主变压器的容量确定..........................................94.3变压器型式的选择............................................9第5章短路电流计算................................................125.1短路电流计算的目的.........................................125.2短路电流计算条件...........................................12第6章电气设备的选择..............................................316.1断路器和隔离开关的选择.....................................316.1.1220KV侧高压断路器的选择..............................316.1.2110KV侧高压断路器的选择..............................356.2隔离开关的选择..................................