轧钢厂供配电系统电气部分设计

目 录1 引言………………………………………………………………………………………………12 负荷计算………………………………………………………………………………………...22.1 负荷计算的意义...................................................................................................................22.2 负荷计算方法.......................................................................................................................22.3 计算过程...............................................................................................................................32.3.1 机修车间负荷计算............................................................................................................33 变压器的选择…………………………………………………………………………………133.1 主变压器台数的确定原则.................................................................................................133.2 变压器的分配.....................................................................................................................133.3 变压器容量的确定.............................................................................................................154 电气主接线的设计…………………………………………………………………………...224.1 电气主接线的概述.............................................................................................................224.2 电气主接线方案的比较.....................................................................................................235 短路电流计算…………………………………………………………………………………255.1 短路的概述和产生的原因...........................................................................................255.2 短路的危害和类型..........................................................................................................255.3 短路计算过程..................................................................................................................266 电气设备...