第0页共30页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第0页共30页目录供配电工程课程设计任务书（7）.................................................................................1摘要..............................................................................................................................3一、前言.......................................................................................................................4二、负荷计算...............................................................................................................52.1负荷计算方法及公式.........................................................................................52.2负荷计算结果...................................................................................................62.3无功功率补偿计算............................................................................................72.4无功补偿后用户的计算负荷..............................................................................7三、变压器的台数、容量和类型的选择......................................................................113.1车间变压器的选择原则...................................................................................113.2选择车间变压器的台数、容量和类型..............................................................11四、变配电所主接线方案的设计.................................................................................124.1设计原则与要求..............................................................................................124.2变配电所主接线方案的技术经济指标..............................................................144.3变配电所主接线方案.......................................................................................15五、短路计算.............................................................................................................165.1短路电流计算的目的及方法............................................................................165.2短路电流计算.................................................................................................165.3供配电系统中各主要元件电抗标么值..............................................................175.4短路计算结果.................................................................................................17六、电气设备选择与校验............................................................................................186.110kV一次侧设备选择.....................................................................................186.2380V侧一次设备的选择校验..........................................................................19七、供配电线路的选择...............................................................................................207.110kV高压进线的选择.....................................................................................207.2低压侧母线选择..............................................................................................20八、常用继电保护及整定计算....................................................................................218.1QF处设置定时限过电流保护..........................................................................218.2QF处电流速断保护整定计算..........................................................................228.3QF1、QF2处动作时间...
