工厂供电技术课程设计题目：高压配电系统设计学院专业:班级:学生姓名：张学号:指导教师:工厂供电技术课程设计目录1设计任务与要求.．．........．．.．．..．．．．.....．.．．.．．.......．．．...．......．11.1用户供电系统...．.．.．．．．．．.．．...........．.．．.．...．..．.....．.．...1１.2工厂变配电所的设计原则．....．....．......．.....．．.....．...．．.．．..11.3设计背景.．..．.．.．．.．..．...．．.......．......．..........．.......．.2２变电所负荷计算和无功补偿的计算......．....．.．...．..．.．..．...．.．．.．....32．1变电站的负荷计算..．.．........．..．....．.....．........．..．....．.．32.1.1负荷统计全厂的用电设备统计...．...．...．.．.....．...．..．．...32.1.2负荷计算...．．.．..．.．....．...．...．..．.....．.....．..．..．.．．3２.２无功补偿的目的和方案.．．．．...．......．..．．........．..........．．．.5２.3无功补偿的计算及设备选择．．．......．.．......．．...．..．．..........．53短路电流计算．．．...........．.．．．....．．.．．．...．.．．.........．....．．....83.1短路电流及其计算.．．....．．．..．..．...．..．.......．...........．.．.．8３.2三相短路电流计算.．.．.．.．....．..．..．．....．..．....．．..．.....．....84系统主接线方案....．......................．..........．．.．...．．.．.....１14．１主接线的基本要求.．..．......．．．.．..．.....．.．.....．.............1１4.2主接线的方案与分析...．........．.．..．．............．.．....．.....１14.３电气主接线的确定...．..．...．.....．．．...．.．..．...........．......13５变压器选择.....．........．......．．.．..．．......．．．．......．...．.．．．．...145.1变压器的选择原则....．.....．．.......．.．....．．...．...．..．.....．.14工厂供电技术课程设计5.2变压器类型的选择．...．..．．....．....．．..．....．.．．...............145.3变压器台数的选择.．........．.................．．...．.....．.....．1４５.4变压器容量的选择．.....．.．........．....．...．．．．．．．..．..........１56高压设备选择.........．．.......．．....．......．.....．．.．..．..．...．．....1６6.1用电单位总计算负荷...．．.．.．.........．．．．．．..........．．.．......166.2高压进线的选择与校验........．.．．....．．.．...．......．..．....．..．166.2.1架空线的选择．．．．．.．．.....．．.．..．．...．.．．．.......．.......16６.2.２电缆进线的选择.....．.....．.......．．...．....．.....．..．.．.16６．3变电所一次设备的选择.....．...．..．....．...．..．．.．....．..．.．．.．.176.3．1高压断路器的选择．．．.....．．........．........．.．.．......．.176.3.２高压隔离开关的选择.．.．..．...．.....．.．.．..．............．.18６.3.3高压熔断器的选择.．......．．..．.．.．．.．.....．.．.．......．...186.3.4电流互感器的选择．.....．....．...．.．.．．....．......．...．..．１97结论.......．．..．....．......．．．.．.．............．.．......．．...．．.．．．.2０0工厂供电技术课程设计1设计任务与要求１.1用户供电系统电力用户供电系统由外部电源进线、用户变配电所、高低压配电线路和用电设备组成。按供电容量的不同,电力用户可分为大型（１00００ｋV·A以上)、中型(1０00－1000０kV·A）、小型（1０00kV·A及以下）变电所是电力系统的一个重要组成部分，由电器设备和线路按一定的接线方式所构成,他从电力系统取得电能，通过其变换、分配、输送与保护等功能,然后将电能安全、可靠、经济的输送到每一个用电设备的转设场所。1.大型电力用户供电系统大型电力用户的用户供电系统，采用的外部电源进线供电电压等级为35kV及以上，一般需要经用户总降压变电所和车间变电所两级变...
