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本设计选择两台主变压器，其他设备如断路器，隔离开关，电流互感器，电压互感器，无功补偿装置和微机保护装置等等也按照具体要求进行选型、设计和配置，力求做到运行安全可靠，操作简单、方便，经济合理，技术先进，具有扩建的可能性和改变运行方式时的灵活性。使其更加贴合实际，更具现实意义。
关键词：变电站；变压器；负荷；短路电流；微机保护；防雷接地
This design chooses twomain transformers. Other equipments, such as Circuit Breaker, Isolatingswitch,CurrentTransformer,VoltageTransformer,Reactivepowercompensation device,ProtectiveRelayandsoon,arealsoselected,designedandconfiguredinaccordance withspecificrequirements.Thepurposeistomakeitsafeandreliabletooperate,easyand simple to manipulate, economical, and with advanced technology. Meanwhile, it is hoped to be withthepossibilityofexpansionandflexibilityofchangingitsoperation.Thesignificanceisto bemore actual and practical.
中文题目：****35kV变电站电气部分设计
外文标题：THE DESIGN OF ELECTRICAL PART OF YUJIAN
35kV' SUBSTATION
毕业设计（论文）共页（其中：外文文献及译文页）图纸共张
完成日期20年*月答辩日期20年6月
随着电力行业的不断发展，人们对电力供应的要求越来越高，特别是供电系统的稳定
Abstract
Withthecontinuousdevelopmentofelectricindustry,thedemandofpowersupplysystem isincreasing,especiallyitsstability,reliabilityandcontinuity. However，thestability, reliability andcontinuityofpowernetaredeterminedbythepowergrid’srationaldesignandconfiguration
1榆涧变电站原始参数和形式的确定.............................................................来自百度文库...2
1.1榆涧地区概况.................................................................................................2
性、可靠性和持续性。然而电网的稳定性、可靠性和持续性往往取决于变电所的合理设计和配置。
一个典型的变电站要求变电设备运行可靠、操作灵活、经济合理、扩建方便。出于这几方面的考虑，本论文设计了一个35kV降压变电站，此变电站有两个电压等级，一侧是
35kV，另一侧是10kV。本设计按照传统变电站的设计步骤进行设计，包括负荷计算，无功补偿，变电站形式，变压器的选择，主接线设计，短路电流计算，一二次设备的选择和继电保护设计以及防雷和接地等内容，同时对于变电站内的主设备进行合理的选型。
of substation.
A typicalsubstationneedsitsrequirementreliable,flexible,economic,rationaland convenientforexpansion.Taking theaboveaspectsintoconsideration,thepaperdesignsa transformersubstationof35kVwhichhastowlevelofvoltage,oneis35kV,andtheotheris
Keywords: Substation, transformer, load, short-circuit current, computerprotection, lightning protection and grounding
0前言.........................................................1
10kV.Thisdesignhasitsstepsbeinaccordancewithtraditionalsubstationdesign.Itcontains loadcalculation,reactivecompensation,substationform,thechoiceofthetransformer,the designofthemainconnection,shortcircuitcurrentcalculation,choice andprotectionofthe secondary equipment design, as well as lightning protection and grounding, etc. At the same time, this design rationally selects themode of themain equipments in substation.
1.2榆涧变电站上级电源情况..............................................................................2
1.3榆涧变电站变电站负荷情况..........................................................................2
