【正文】 .................. 33 逆變器的選擇 ................................................................................................... 37 逆變器的技術(shù)指標 ................................................................................. 37 加德滿都 30MWpNEA中南月兒光伏發(fā)電項目可行性研究報告 3 逆變器的選型 ........................................................................................ 41 光伏陣列單元基本型式的確定 .......................................................................... 45 安裝方式的確定 ..................................................................................... 45 光伏發(fā)電方陣容量的選擇 ....................................................................... 46 太陽能光伏方陣單元型式的確定 ............................................................ 47 上網(wǎng)電量估算 ................................................................................................... 49 第一年的發(fā)電量計算 .............................................................................. 49 光伏電站全壽命上網(wǎng)電量計算 ................................................................ 50 光伏電站全壽命元件分析 .............................................................................. 52 5 電氣一次 .................................................................................................................... 52 接入系統(tǒng)方案設(shè)想 ............................................................................................ 52 系統(tǒng)調(diào)度自動化 ............................................................................................... 53 接入系統(tǒng)概況 ........................................................................................ 53 調(diào)度組織關(guān)系 ........................................................................................ 53 遠動信息配置 ........................................................................................ 53 電能計量系統(tǒng) ........................................................................................ 53 電能質(zhì)量在線監(jiān)測 ................................................................................. 53 遠動通道要求 ........................................................................................ 54 調(diào)度數(shù)據(jù)網(wǎng)絡(luò)接入設(shè)備 .......................................................................... 54 電力系統(tǒng)二次安全防護 .......................................................................... 54 系統(tǒng)保護 ............................................................................................... 55 系統(tǒng)通信 ............................................................................................. 56 電氣一次 .......................................................................................................... 58 電氣主接線設(shè)計原則 .............................................................................. 58 光伏陣列 — 變壓器組合方案 ................................................................... 59 光伏電站升壓方式 ................................................................................. 59 箱式變電站高壓側(cè)接線方式的選擇 ......................................................... 62 35kV 側(cè)接線 .......................................................................................... 63 配套送出工程 ........................................................................................ 63 各級電壓中性點接地方式 ....................................................................... 63 短路電流計算 ........................................................................................ 63 電氣設(shè)備選型 ........................................................................................ 64 電氣設(shè)備布置 ...................................................................................... 69 站用電接線 .......................................................................................... 70 照明和檢修 .......................................................................................... 71 電纜設(shè)施 ............................................................................................. 71 電纜防火 ............................................................................................. 72 過電壓保護 .......................................................................................... 72 接地 .................................................................................................... 72 電氣二次部分 ................................................................................................... 73 電站的綜合自動化系統(tǒng) .......................................................................... 73 繼電保護 ............................................................................................... 78 控制電源 ............................................................................................... 80 計量 ...................................................................................................... 80 加德滿都 30MWpNEA中南月兒光伏發(fā)電項目可行性研究報告 4 光伏專用環(huán)境檢測儀 .............................................................................. 80 火災報警 ............................................................................................... 80 視頻監(jiān)控系統(tǒng) ........................................................................................ 81 控制室布置 ............................................................................................ 81 主要電氣設(shè)備工程量 ........................................................................................ 81 .................................................................................................................... 83 總平面布置 ...................................................................................................... 83 場址描述 ............................................................................................... 83 所選廠址條件 ........................................................................................ 84 總體布置設(shè)想 ........................................................................................ 85 經(jīng)濟技術(shù)指標表 ..................................................................................... 87 7 土建工程 ....................