[键入文字]目录220KV地区变电站电气一次部分设计..........................................................错误!未定义书签。第一部分变电站电气一次部分设计说明书...............................................................................3第一章220kV变电站电气主接线设计...............................................................................3第1节原始资料...........................................................................................................3第2节主接线的设计...................................................................................................4三、方案比较.........................................................................................................................6第二章主变压器选择和负荷计算.......................................................................................9第1节原始资料...........................................................................................................9第2节主变压器选择...................................................................................................9第三章站用电设计.............................................................................................................12第1节所用电源数量及容量...................................................................................12·第2节站用变压器低压侧接线................................................................................12第四章短路计算.................................................................................................................13第1节相关参数计算.................................................................................................13第2节短路点选择.....................................................................................................13第3节短路计算.........................................................................................................143.3.1短路点F1：（220kV进线断路器内侧）..........................................................143.3.2短路点F2：（220kV母联断路器）...................................................................143.3.4短路点F5：（主变压器中压侧）.......................................