【正文】 unicipal line and one power of 500kW diesel generator, diesel generator as emergency power supply. High pressure system using single bus section, the implementation of high pressure concentrated measurement. Transformers are applied with load switch and fuse protection. Automatic reactivepower pensation device is used in this low voltage system. According to the lightning protection code of the building, lightning protection and grounding design are designed, and the top lightning protection and lightning protection is finished and the lead is offline. For the designated area of power and lighting design, plete power system diagram, power plan, lighting plan, lighting socket map. Design drawings are drawn using Aided Design CADComputer (CAD). Key words： Calculate the load, power supply system, lightning protection, lighting power 重慶大學本科學生畢業(yè)設計 （論文） 目錄 III 目 錄 摘 要 ............................................................................................................................. II 目 錄 ............................................................................................................................III 1 緒 論 ........................................................................................................................... 1 2 負荷計算 ..................................................................................................................... 3 ........................................................................................................ 3 ............................................................................................................... 3 需要系數(shù)法和負荷密度法 ........................................................................... 3 負荷計算 .................................................................................................... 4 變壓器的選 擇 ............................................................................................. 6 負荷分配 ..................................................................................................... 7 3 主結線方案 ............................................................................................................... 10 ............................................................................................................. 10 ............................................................................................................. 10 ............................................................................................... 10 ............................................................................................................. 10 4 高壓系統(tǒng)設計 ........................................................................................................... 12 進線電纜的選擇 .................................................................................................. 12 按假設條件計算高壓側(cè)短路電流 ................................................................12 電纜選擇 ...................................................................................................12 高壓側(cè)實際短路電流計算 ..........................................................................13 高壓母線 ............................................................................................................. 13 高壓母線的選擇 ........................................................................................13 高壓母線的動穩(wěn)定校驗 ..............................................................................14 高壓系統(tǒng)設備選型及校驗 .................................................................................... 15 高壓開關柜 ................................................................................................15 出線電纜 ...................................................................................................15 高壓供電系統(tǒng)圖 .................................................................................................. 15 5 低壓系統(tǒng)設計 ........................................................................................................... 16 低壓側(cè)出口短路電流計算 .................................................................................... 16 低壓開關柜的選擇 ............................................................................................... 17 斷路器的選擇及整定 ........................................................................................... 17 重慶大學本科學生畢業(yè)設計 （論文） 目錄 IV 萬能斷路器的選擇 ......................................................................................17 萬能斷路器的整定 .....................................................................................17 具體回路元件的選擇 ........................................................................................... 18 回路計算電流 ............................................................................................18 斷路器的選擇及整定 ..................................................................................18 電流互感器及電流表的選擇 .......................................................................18 出線電纜 的選擇 .........................................................................................18 塑殼式斷路器瞬時脫扣器動作電流的靈敏度校驗 ................................................. 19 低壓供電系統(tǒng)圖 .................................................................................................. 21 6 防雷接地設計 ........................................................................................................... 22 防雷等級的確定 .................................................................................................. 22 防雷措施 ............................................................................................................. 23 防直擊雷 ...................................................................................................23 防雷擊電磁脈沖 ...............