【正文】 at steel and ground steel bar structure docking, antiradar, through flat steel and ground steel bar structure docking, antiradar, earth public earth body, both has safeguarded the earth security, and saved the earth equipment. Key words ： The mercialresidential buildings， Electricity design， Power distribution， Illumination， earth antiradar 重慶大學本科學生畢業(yè)設計 （論文） 目錄 1 目 錄 中文摘要 ................................................................................................ Ⅰ ABSTRACT ........................................................................................... Ⅱ 1 緒論 ......................................................................................................1 建筑電氣設計概述 .................................................................................1 設計依據(jù) .............................................................................................2 建筑概況 ........................................................................................2 相關專業(yè)提供的配套資料 ....................................................................2 設計標準與規(guī)范 ................................................................................2 設計基本條件 .......................................................................................3 供用電協(xié)議 .....................................................................................3 氣象條件 .........................................................................................3 設計任務 .............................................................................................3 設計范圍 ........................................................................................3 設計內容 .........................................................................................3 設計要求 .........................................................................................4 2 供配電系統(tǒng)設計 ...................................................................................5 負荷等級及供電措施 ..............................................................................5 負荷等級分類 ..................................................................................5 條件負荷供電措施 .............................................................................5 變配電的主接線方式 ..............................................................................6 配電系統(tǒng)原則 .......................................................................................7 3 負荷計算 ...............................................................................................9 負荷計算的處理方法 ..............................................................................9 需要系數(shù)法 .....................................................................................9 單位面積功率法 .............................................................................. 10 單位指標法 ................................................................................... 11 ............................................................................. 11 住宅配電箱出線 負荷計算 .................................................................. 11 商場配電箱出線負荷計算 .................................................................. 12 其他負荷計算 ................................................................................. 13 ..................................................................................... 13 重慶大學本科學生畢業(yè)設計 （論文） 目錄 2 變壓器低壓端負荷計算 ......................................................................... 15 變壓器下總負荷 .............................................................................. 15 無功補償 ....................................................................................... 16 變壓器高壓端負荷計算 ......................................................................... 16 、線路試選與計算 .......................................................................... 17 ............................................................................. 17 ............................................................................. 17 .............................................................. 18 ................................................................. 19 4 短路計算和校驗 ................................................................................. 22 高壓短路電流計算 ............................................................................... 22 低壓端路電流計算 ............................................................................... 23 短路選擇點 ................................................................................... 23 阻抗的計算 .................................................................................... 23 5 供配電系統(tǒng)設備、線纜選擇與校驗 .................................................. 26 開關電器的選擇與校驗 ......................................................................... 26 開關電器選擇的原則 ........................................................................ 26 高壓 負荷開關 ................................................................................. 27 低壓斷路器 ................................................................................... 27 開關柜、 配電箱的選擇 ......................................................................... 28 ....................................................................... 29 高壓母線 ........................................................................................... 30 低壓保護開關選擇與校驗 ...................................................................... 30 ...................................................................................... 30 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