供配电毕业论文

I摘要本次毕业设计为苏丹GNPOC石油公司总部大楼变配电所电气设计。在整个设计中，依据相关的设计规范和标准以及有关专业提供的设计资料，对这个工程的变配电所系统进行设计。设计的主要内容包括高压配电系统、低压配电系统、配电房系统，继电保护系统。即根据有关的设计标准确定变压器的数量、容量、型号和布置；确定主接线方式，确定高、低压柜的数量、型号和布置；确定控制和保护电器的型号、规格，并进行验算；确定电缆、母线及其他干线的型号、规格，并进行验算；确定照明、动力等设备的配电设备；确定继电保护装置的元件并设计二次接线方案等。关键词：高压配电系统低压配电系统继电保护系统IIAbstractThisgraduationprojectisdesignedforthehigh-voltage,low-voltagesystemprotectiverelaysystemoftransformersubstationforthebuildingofSudanGNPOCoilheadquarters,Inthewholedesign,thedesignmaterialsthatIofferedaccordingtocountry'srelevantdesignspecificationandstandardandrelevantspecialities,designthetransformersubstation.Themaincontentdesignedincludeshigh-pressuredistributionsystem,low-voltagedistributionsystem,distributionroomsystem,protectiverelaysystem,namelyconfirmthequantity,capacity,typeofthevoltagetransformerandassignaccordingtorelevantdesignstandards;Confirmthemainwiringway,confirmthequantity,typeofthehigh,low-voltagecupboardandassign;Confirmthatcontrolsandprotectsthetype,specificationoftheelectricapparatus,carryoncheckingcomputations;Confirmthetype,specificationofcable,busbarandothermainlines,carryoncheckingcomputations;Confirmdistributionequipmentofsuchequipmentaslighting,power,Confirmthecomponentsofrelayprotectiondevicesanddesignsecondarywiringprogram,etc.Keywords:high-pressuredistributionsystemlow-voltagedistributionsystemprotectiverelaysystem,南京工业大学本科生毕业设计（论文）1目录摘要..............................................................................................................................................IABSTRACT...................................................................................................................................II第一章绪论.................................................................................................................................11.1原始资料背景..................................................................................................................11.1.1负荷状况...............................................................................................................11.1.2气象、土壤等资料...............................................................................................11.2设计内容和基本思路......................................................................................................11.2.1变配电所高低压系统图设计...............................................................................21.2.2变配电所照明设计...............................................................................................21.2.3二次系统图设计...................................................................................................21.2.4防雷接地设计.......................................................................................................2第二章负荷计算...........................................................................................................................32.1负荷计算..........................................................................................................................32.1.1计算负荷的确定...................................................................................................32.1.2负荷计算的方法...................................................................................................32.1.3负荷计算结果.......................................................................................................32.1.4变压器的容量及台数的选择...............................................................................72.1.5变压器的损耗........................................................................................................82.1.6．无功功率的补偿...............................................................................................10第三章电气主接线的设计.........................................................................................................123.1高压侧一次接线.............................................................................................................123.1.1一次接线的设计原则..........................................................................................123.1.2实际方案设计.....................................................................................................123.2低压侧一次接线............................................................................................................133.2.1低压侧一次接线的设计原则.............................................................................133.2.2实际设计方案.....................................................................................................13第四章短路电流的计算.............................................................................................................154.1短路电流计算的目的及方法.........................................................................................154.2短路电流计算.................................................................................................................1524.2.1标幺值法..............................................................................................................15第五章高低压设备选型及短路效应校验.................................................................................205.1高低压设备选型..........