I摘要水电站主辅机选型设计是对一个电站的水轮机发电机组及其辅助设备的计算及型号的选择,调节保证计算则是为机组安全运行提供保证。本设计是根据HTS水电站的原始资料,在水电站设计要求及设计规范的基础上,进行主辅机选型、调保计算、部分配套设备、厂房布置的设计和计算。关键词:HTS水电站主辅机选型调保计算配套设备厂房布置AbstractIIAbstractSelectionofmainandauxiliaryhydropowerdesignisthechoiceofapowerplant'sturbinegeneratorsetandauxiliaryequipmentandmodelcalculations,adjustmentstoensurethatthecalculationistoprovideaguaranteeforthesafeoperationoftheunit.ThedesignisbasedonoriginaldataHTShydropowerinthedesignrequirementsanddesignspecificationsonthebasisofhydropower,carriedthemainauxiliaryselection,guarantycalculation,someequipment,plantlayoutdesignandcalculation.Keywords:HTSstationmainandauxiliaryselectionguarantycalculation,equipmentplantlayoutIII目录摘要...................................................................................................................................................IAbstract............................................................................................................................................II目录.................................................................................................................................................III第一章原始资料与设计任务.....................................................................................................11.1毕业设计(论文)使用的原始资料(数据)........................................................................11.1.1工程基本概况........................................................................................................11.1.2电站基本参数.......................................................................................................1第二章水力发电机组的选型及相关设计...................................................................................32.1水轮机的方案选择............................................................................................................32.1.1水轮机类型的选择................................................................................................32.1.2各方案的基本参数试算........................................................................................42.1.3经济指标..............................................................................................................182.1.4最优方案比较......................................................................................................202.2运行特性曲线的绘制......................................................................................................212.2.1等效率线绘制......................................................................................................212.2.2出力限制线的绘制..............................................................................................212.2.3等吸出高度线的绘制..........................................................................................242.3蜗壳、尾水管、导水机构的设计计算..........................................................................262.3.1蜗壳的计算..........................................................................................................262.3.2尾水管的计算.......................................................................................................