目 录 第一章总的部分...............................................................11 前言.......................................................................11.1 工程概况............................................................11.2 设计依据............................................................11.3 主要设计原则........................................................31.4 设计范围............................................................41.5 主要设计结论........................................................4第二章工程建设必要性.........................................................62.1 地区社会经济进展概况................................................62.2 海北地区电力系统现状................................................62.3 海北地区电力系统规划................................................92.4 工程建设必要性及建设时机...........................................14第三章系统方案..............................................................163.1 电力系统一次.......................................................163.2.电力系统二次部分...................................................263.3 系统通信...........................................................30第四章变电部分..............................................................314.1 电气一次部分.......................................................314.2 电气二次部分.......................................................394.3 土建部分...........................................................41第五章线路部分..............................................................465.1 工程设计主要依据...................................................465.2 工程建设规模和设计.................................................475.3 接入系统情况.......................................................485.4 主要技术经济特性（推举方案）.......................................495.5 经济指标...........................................................525.6 线路路径...............................
