10KV小区电气设计

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1、…………………….……………….…………………10KV小区电气设计院部专业班级届次学生姓名学号指导教师年月日装订线……………….…….………….………….………0目录摘要IAbstractII引言11设计概况11.1小区概况11.2设计依据11.3设计要求12供电系统的负荷计算23.照明设计23.1确定照明设计标准23.2选择光源和灯具23.3照度计算24.负荷计算——需要系数法54.1对于照明回路54.1.1导线选择54.1.2断路器选择54.2对于普通插座回路:54.2.1导线选择54.2.2断路器选择54.2.3脱扣器电流整定54.2.4配电箱进线

2、负荷计算65.系统无功补偿计算66.高低压设备选择及要求66.1变压器选择66.2高压开关柜的选择76.3高压断路器的选择76.4低压开关柜选择76.5低压断路器选择77短路电流计算87.1短路计算的意义和内容87.2短路电流计算方法87.3短路计算点的选取88.电缆的选择119.变配电所设计119.1变配电室设计的要求119.2变电所位置选择的要求11i9.3变配电所的布置149.3.1局压柜平面布置159.3.2变压器平面布置169.3.3低压开关柜平面布置1610.防雷接地保护1710.1雷电的形成1710.2雷电的危害1810.3防雷措施1810

3、.3.1避雷针1910.3.2避雷器1910.4防雷保护1910.4.1变配电所的防雷保护2010.4.2高压电机的防雷保护2110.4.3建筑物的防雷保护21参考文献22致谢23iiContentsIntroductionIAbstractIIPreface11Designgeneralsituation11.1Smallzonegeneralsituation11.2Thedesigngist21.3Thedesignrequire22Theloadcalculationofthepowersupplysystem23.Lightingdesign5

4、3.1Determinelightingdesignstandards53.2Choosethelightsourceandlampsandlanterns53.3Illuminationcalculation65Loadcalculation,needcoefficientmethod64.1Forlightingcircuit64.1.1Conductorchoice74.1.2Circuitbreakerchoose74.2Forordinarysocketcircuit74.2.1Wireschoose74.2.2Circuitbreakerch

5、oose74.2.3Tripcurrentsettingrequires84.2.4Loadcalculationdistributionboxintotheline85.Systemreactivepowercompensationcalculation86.Highandlowvoltageequipmentselectionandrequirements 96.1Thetransformerchoose96.2Thechoiceofhighvoltageswitchcabinet 96.3Thechoiceofhighvoltagecircuitb

6、reaker96.4Lowvoltageswitchgearchoose106.5 Lowvoltagecircuitbreakerselected107.Thechoiceoftransformer157.1Thechoiceofcurrenttransformer157.2Thechoiceofvoltagetransformer 158.Thechoiceofcable159.DesignSubstation179.1Powerdistributionroomdesignrequirements179.2Requirementssubstation

7、locationofyourchoice189.3Thesubstationlayout18iii9.3.1Cabinetpressofficelayout189.3.2Transformerlayout189.3.3Low-voltageswitchgearlayout1710.Lightninggroundingprotection1810.1Theformationoflightning1810.2Lightninghazards1810.3LightningProtection1810.3.1Lightningrod1810.3.2Lightni

8、ngarrester1910.4LightningProtection1910.