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中国矿业大学银川学院2012届本科毕业设计（论文）题目兴为煤矿《一般机械化》采区供电设计所在系机电动力与信息工程专业班级工业工程4班姓名郭师傅指导教师孟庆春教务处制兴为煤矿《一般机械化》采区供电设计Hingforthecoalminemechanizedminingareapowersupplydesign毕业设计（论文）共39页完成日期：2012年4月22日答辩日期：2012年5月17日中国矿业大学银川学院毕业设计（论文）I摘要本论文是针对兴为煤矿采区的地质条件，采煤方法，巷道布置以及采区机电设备容量，分布等情况而设计的采区供电系统和采区设备布置案。随着生产规模的扩大和新煤层的勘探，为了满足生产发展的需要，根据新采区的实际情况,对其所需设备及供电线路等进行设计，本设计阐述了采区供电系统中各用电设备的选型及其计算过程，如变压器、电缆、开关的选择等，并对其进行整定和校验，设计中比较详细地叙述了矿用电缆及电气设备的选定原则以及井下各种保护装置的选择和整定。关键词：采区供电;设备选择;负荷计算;供电系统;矿井供电技术；矿山供电顾义忠：兴为煤矿《一般机械化》采区供电设计IIAbstractThispaperisthegeologicalconditions,miningmethods,roadwaylayoutandminingarea,mechanicalandelectricalequipmentcapacity,distributionanddesignoftheminingareapowersupplysystemandminingequipmentlayoutinthecaseforXingMiningDistrict.Withtheexpansionofproductionscaleandtheexplorationofnewcoalseam,inordertomeettheneedsofthedevelopmentofproduction,accordingtotheactualsituationofthenewminingarea,thenecessaryequipmentandpowerlinesandotherdesign,thedesigndescribedbythepowersupplysystemoftheminingareselectionandcalculationoftheelectricalequipmentsuchastransformers,cables,switchselectionandthetuningandcalibration,adetailedaccountofthedesignofselectedprinciplesandundergroundminingcablesandelectricalequipmentthechoiceofavarietyofprotectiondevicesandtuning.Keywords:miningareaofsupply;equipmentselection;loadcalculation;powersupplysystem;minepowersupplytechnology目录前言...........................................................................................................................1设计原始资料...........................................................................................................21采区变电所的变压器选择...................................................................................31.1选择原则.............................................................................................................31.2采区负荷计算.....................................................................................................31.3变压器容量计算.................................................................................................41.4变压器的型号、容量、台数的确定.................................................................52采区变电所及工作面配电所位置的确定...........................................................62.1采区变电所位置.................................................................................................62.2工作面配电点的位置.........................................................................................63采区供电电缆的确定...........................................................................................73.1拟定原则.............................................................................................................73.2按照采区供电系统的拟定原则确定供电系统图.............................................84采区低压电缆的选择...........................................................................................94.1电缆长度的确定.................................................................................................94.2电缆型号的确定.................................................................................................94.3电缆选择原则.....................................................................................................94.4低压电缆截面的选择.........................................................................................94.5采区电缆热稳定校验.......................................................................................135采区高压电缆的选择..........................................................................................165.1选择原则...........................................................................................................165.2选择步骤...........................................................................................................166采区低压控制电器的选择.................................................................................196.1电器选择按照下列一般原则进行...................................................................196.2据已选定的电缆截面、长度来选择开关、起动器容量及整定计算..........207低压保护装置的选择和整定..............................................................................227.1低压电网短路保护装置整定细则规定...........................................................227.2保护装置的整定与校验...................................................................................228高压配电箱的选择和整定..................................................................................268.1高压配电箱的选择原则...................................................................................268.2高压配电箱的选择...........................................................................................268.3高压配电箱的整定和灵敏度的校验...............................................................279井下漏电保护装置的选择..................................................................................299.1井下漏电保护装置的作用...............................................................................299.2漏电保护装置的选择.......................................................................................299.3井下漏电保护装置的要求...............................................................................299.4井下检漏保护装置的整定.......................................................................