35千伏变电站增容改造工程建设项目可行性研究报告

XXXX35kVXX 变增容改造工程可行性讨论报告XX 市 XX 电力工程勘测设计有限公司目录1工程概述...............................................................................11.1设计依据.................................................................................11.2设计范围.................................................................................11.3工程概况.................................................................................11.4工程本期改造概况.................................................................12电力系统...............................................................................22.1电网现状.................................................................................22.2电力需求预测.......................................................................152.3变电站建设可行性...............................................................182.4变电站改造规模...................................................................192.5相关电气计算.......................................................................193电气一次.............................................................................193.1XX 变电站现状.....................................................................193.2变电站本期改造项目...........................................................213.335KV 接线形式.....................................................................233.410KV 接线.............................................................................233.5各级电压中性点接地方式...................................................233.6短路电流方式及主要电气设备、导体选择.......................233.7绝缘配合及过电压保护.......................................................243.8电气设备布置及配电装置...................................................253.9站用电及动力照明...............................................................253.10电缆敷设及防火...................................................................264电气二次部分.................