节能导线工程应用技术经济分析.doc

1淮南～南京～上海 1000kV 特高压交流输电线路工程节能导线工程应用技术经济分析2012 年 11 月 12 日淮南～南京～上海 1000kV 输电线路工程 节能导线工程应用技术经济分析1目 录前 言 ...........................................................................................................31 综述 .........................................................................................................41.1 线路概况和系统条件 ..................................................................41.2 节能导线应用背景 ......................................................................41.3 工程环境条件 ..............................................................................52 节能导线型式选择 .................................................................................72.1 新型节能导线介绍 ......................................................................72.2 适合特高压线路应用的节能导线 ..............................................82.3 节能导线的参数和标准 ............................................................123 导线机电特性 .......................................................................................143.1 导线弧垂 ....................................................................................143.2 导线过载能力 ............................................................................153.3 导线耐张串强度选择 ................................................................153.4 导线对杆塔荷载的影响 ............................................................163.5 导线摇摆角 ................................................................................173.6 导线防振性能 ............................................................................173.7 导线蠕变和初伸长补偿 ............................................................183.8 配套金具 ....................................................................................193.9 中强度铝合金绞线放松张力使用分析 ....................................203.10 小结 ..........................................................................................204 交流电阻及能耗计算 ...........................................................................224.1 节能导线的交流电阻计算研究 ..................................................224.2 导线交流电阻比较 ....................................................................274.3 小结 ............................................................................................285 交流特高工程应用的造价分析 ...........................................................305.1 导线投资计算 ............................................................................305.2 耐张串差价比较 ........................................................................305.3 铁塔耗钢量比较 ........................................................................325.4 基础用量比较 ............................................................................336 年费用 ...................................................................................................346.1 年费用算法及边界条件 ............................................................346.2 全线各区段经济性比较 ............................................................356.2.1 淮南-南京段 ..............................................................................356.2.2 南京-泰州段 ..............................................................................386.2.3 泰州-苏州 I 串段 ......................................................................40淮南～南京～上海 1000kV 输电线路工程 节能导线工程应用技术经济分析26.2.4 泰州-苏州 V 串段 .....................................................................426.2.5 苏州-上海段 ..............................................................................446.3 导线不同价位的年费用比较 ....................................................466.4 增选新型导线 ............................................................................496.5 小结 ............................................................................................51第二部分 新型导线的杆塔验算使用 .....................................................527 校验条件及原则 ...................................................................................527.1 试点区段及导线型号 ................................................................527.2 气象条件及铁塔型式 ................................................................527.3 铁塔验算的思路 ........................................................................538 间隙圆校验 ...........................................................................................548.1 空气间隙及间隙圆设计原则 ......................................................548.2 Kv 值及悬垂串风偏角 ..............................................................548.3 Kv 值统计分析 ..........................................................................588.4 小结 ............................................................................................629 铁塔荷载及基础校验 ...........................................................................639.1 杆塔荷载 ....................................................................................639.2 耐张塔塔材及基础优化 ............................................................649.3 小结 ............................................................................................6510 杆塔使用条件 ...............................................。