【正文】 ..........................................................................18 各級電壓中性點運行方式選擇 ............................................................................19第三章 短路電流計算 ...............................................................................................................20 短路電流計算的基本假設(shè) ..................................................................................20 電路元件的參數(shù)計算 ..........................................................................................20 網(wǎng)絡(luò)變換與簡化方法 ..........................................................................................20 短路電流實用計算方法 ......................................................................................20 3100MW 火力發(fā)電廠電氣設(shè)計2第四章 廠用電設(shè)計 ...................................................................................................................22 廠用電負(fù)荷統(tǒng)計及廠用變壓器的選擇 ..............................................................22 一般水電站的主要廠用負(fù)荷有以下兩大類 ...........................................22 該水電站的主要廠用負(fù)荷統(tǒng)計 ...............................................................22 廠用變壓器選擇 ..................................................................................................26 廠用電電壓等級 ..................................................................................................26 廠用電源及其引接 ..............................................................................................26 工作電源 .....................................................................................................26 備用電源和啟動電源 ...............................................................................26 事故保安電源 ...........................................................................................27 廠用電接線方式 ....................................................................................................27 油水氣系統(tǒng) ............................................................................................................28 油系統(tǒng) .........................................................................................................28 水系統(tǒng) .........................................................................................................28 氣系統(tǒng) .........................................................................................................29第五章 電氣設(shè)備選擇及校驗 ...................................................................................................32 電氣設(shè)備選擇的一般規(guī)定 ..................................................................................32 按正常工作條件選擇 ...............................................................................32 按短路條件校驗 .......................................................................................33 斷路器和隔離開關(guān)的選擇和校驗 ......................................................................34 限流電抗器的選擇和校驗 ..................................................................................35 導(dǎo)體、電纜的選擇和校驗 ..................................................................................36 絕緣子、穿墻套管的選擇和校驗 ......................................................................36 電流、電壓互感器的選擇和校驗 ......................................................................37 避雷器的選擇和校驗 ..........................................................................................37 避雷器的設(shè)置 ...........................................................................................37 避雷器的選擇 ...........................................................................................38第六章 發(fā)電廠配電裝置布置 ...................................................................................................39 設(shè)計原則與要求 ....................................................................................................39 設(shè)計原則 ...................................................................................................39 設(shè)計的具體要求 .......................................................................................39 檢修要求 ......................................................................................................41 屋外配電裝置設(shè)計 ..............................................................................................42 10Kv 配電裝置 .........................................................................................42 3100MW 火力發(fā)電廠電氣設(shè)計3 110Kv 配電裝置 .......................................................................................42第七章 防雷保護與接地 ...........................................................................................................45 防雷保護 ................................................................................................................45 直擊過電壓 ...............................................................................................45 入侵雷電波保護 .......................................................................................46 接地裝置 ..............................................................................................................46 一般規(guī)定 ...................................................................................................46 降低土壤電阻率的措施 ...........................................................................47 本水電站接地網(wǎng)的布置 ...........................................................................47第八章 繼電保護、自動裝置設(shè)計 ...........................................................................................48 繼電保護設(shè)計 ........................................................................................................48 發(fā)電機保護 ...............................................................................................48 主變壓器保護 ...........................................................................................48 110Kv 線路保護 .......................................................................................49 110Kv 母線保護 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