太阳能光伏并网电站技术方案
目 录
一、项目概况...................................................................................................................................1
二、方案设计...................................................................................................................................1
2.1 方案总体思路...................................................................................................................1
2.1.1 设计依据...............................................................................................................1
2.1.2 设计说明...............................................................................................................2
2.1.3 设计原则...............................................................................................................2
2.1.4 进度安排...............................................................................................................3
2.2 具体方案...........................................................................................................................3
2.2.1 系统构成...............................................................................................................3
2.2.2 太阳电池阵列设计...............................................................................................4
2.2.3 智能汇流箱设计...................................................................................................7
2.2.4直流配电柜设计....................................................................................................8
2.2.5 光伏并网逆变器...................................................................................................8
2.2.6 配电保护装置.....................................................................................................10
2.2.7 升压变压器.........................................................................................................11
2.2.8 发电计量系统配置方案.....................................................................................11
2.2.9 环境监测装置.....................................................................................................17
三、初步工程设计.........................................................................................................................18
3.1 土建设计.........................................................................................................................18
3.2 电站防雷和接地设计.....................................................................................................19
3.3 电网接入系统和输变电.................................................................................................19
四、年发电量计算.........................................................................................................................22
4.1 光伏发电系统效率.........................................................................................................22
4.2 衰减率预测.....................................................................................................................22
4.3 发电量估算.....................................................................................................................22
五、环境影响评价.........................................................................................................................23
六、投资经济概算.........................................................................................................................23