【正文】 ................................1 接入高、中壓母線的發(fā)電機(jī)臺數(shù)的確定 ...........................................................................2 負(fù)荷出線的規(guī)劃 ...................................................................................................................3 傳輸能力要求的負(fù)荷出線回路數(shù) ..............................................................................3 供電可靠性要求的負(fù)荷出線回路數(shù) ..........................................................................5 主接線中的橫向聯(lián)絡(luò)關(guān)系 ...................................................................................................5 廠用電接線形式的確定 .......................................................................................................5 廠用電接線的要求 ......................................................................................................5 廠用變壓器的確定 ......................................................................................................6 廠用電母線的分段 ......................................................................................................62 短路電流的計(jì)算 .................................................................................................................8 短路電流計(jì)算的目的 ...........................................................................................................8 計(jì)算步驟 ...............................................................................................................................8 繪制短路電流計(jì)算結(jié)果表 .................................................................................................103 配電設(shè)備的選擇 ...............................................................................................................12 配電設(shè)備的配置原則 .........................................................................................................12 開關(guān)電器的配置原則 ................................................................................................12 電壓互感器的配置原則 ............................................................................................12 電流互感器的配置原則 ............................................................................................12 配電裝置的選擇 .................................................................................................................12 配電設(shè)備的選擇計(jì)算條件 .................................................................................................13 通用計(jì)算條件 ............................................................................................................13 特殊選擇條件 ............................................................................................................14 開關(guān)柜的選擇 ............................................................................................................15 配電設(shè)備的選擇結(jié)果 .........................................................................................................154 主接線設(shè)計(jì)計(jì)算 ...............................................................................................................17 各負(fù)荷站出線導(dǎo)體的選擇和校驗(yàn) .....................................................................................17 負(fù)荷 1 站 ....................................................................................................................17大學(xué)本科學(xué)生畢業(yè)設(shè)計(jì)（論文） 目錄 負(fù)荷 2 站 ....................................................................................................................17 負(fù)荷 3 站 ....................................................................................................................18 負(fù)荷 4 站 ....................................................................................................................19 發(fā)電機(jī)變壓器單元接線的計(jì)算 ........................................................................................19 主變壓器的選擇 .........................................................................................................19 發(fā)電機(jī)組的分配 ........................................................................................................19 廠用變壓器的選擇計(jì)算 .....................................................................................................20 廠用工作變壓器的選擇計(jì)算 ....................................................................................20 廠用備用變壓器的選擇計(jì)算 ....................................................................................205 短路電流計(jì)算 ....................................................................................................................21 求取等值網(wǎng)絡(luò) .....................................................................................................................21 計(jì)算元件電抗 ............................................................................................................21 短路輸入的數(shù)據(jù)文件 ................................................................................................22 220KV 母線三相短路計(jì)算 .................................................................................................23 110KV 母線三相短路計(jì)算 .................................................................................................26 接聯(lián)絡(luò)變壓器的發(fā)電機(jī)出口三相短路計(jì)算 .....................................................................29 接雙繞組變壓器的發(fā)電機(jī)三相短路計(jì)算 .........................................................................31 6KV 母線三相短路計(jì)算 .....................................................................................................346 配電設(shè)備的選擇計(jì)算 ....................................................................................................35 220KV 電壓等級配電設(shè)備的選擇計(jì)算 .............................................................................35 聯(lián)絡(luò)變高壓側(cè)支路 ....................................................................................................35 220kV 母聯(lián)支路 .........................................................................................................36 220kV 出線支路 .........................................................................................................37 220kV 旁路支路 ................................................................