【正文】 .. 44 年產(chǎn)為 180 萬噸煤礦地面變電所設計 V 保護裝置的選擇 .................................................................................... 44 主變保護裝置的整定計算 .................................................................... 45 60KV 線路保護計算 ...................................................................................... 48 60kV 線路保護 ....................................................................................... 48 6kV 配出線路保護計算 ......................................................................... 49 6kV系統(tǒng)漏電保護 ........................................................................................ 51 漏電保護裝置 ........................................................................................ 51 6kV電力電容器的保護 ................................................................................ 52 6kV母線聯(lián)絡柜保護原理及整定 ................................................................ 54 保護裝置的裝設原則 ............................................................................ 54 保護裝置的接線方式 ............................................................................ 54 保護裝置的整定計算 ............................................................................ 54 第 7 章 防雷保護與安全接地規(guī)劃設計 ................................. 56 過電壓的原因及危害 .................................................................................... 56 防直擊雷的保護 ........................................................................................... 56 防直擊雷的措施 .................................................................................... 56 避雷針的高度及位置的確定 ................................................................ 57 作避雷針保護范圍平面圖 .................................................................... 58 內(nèi)過電壓的抑制 .................................................................................... 58 對 60kV 進線段的保護 .......................................................................... 58 對雷電入侵波 的防護 ................................................................................... 58 接地措施 ....................................................................................................... 59 保護接地 ................................................................................................. 59 接地裝置的敷設 .................................................................................... 60 接地電阻的計算 .................................................................................... 60 避雷針的設計 ................................................................................................ 61 第 8章 變電所室內(nèi)外配電裝置的設計 .................................................................. 62 室內(nèi)外概況 .................................................................................................... 62 室內(nèi)布置 ........................................................................................................ 63 年產(chǎn)為 180 萬噸煤礦地面變電所設計 VI 結 論 ........................................................................................................................ 64 致 謝 ........................................................................................................................ 65 參考文獻 .................................................................................................................... 66 年產(chǎn)為 180 萬噸煤礦地面變電所設計 VII Directory Abstract（ chinese） ................................................................................................ Ⅰ Abstract ..................................................................................................................... Ⅱ Chapter 1 Intertuction ............................................................................................... 1 The significance of topic selection…………………………………………… 1 Development situation at home and abroad ...................................................... 2 Analysis the original data .................................................................................. 3 Design subject and raw materials ................................................................ 3 The design guiding ideology ....................................................................... 4 Design content ............................................................................................. 4 Chapter 2 The selection of main transformer load statistics............................... 7 Source load ........................................................................................................ 7 The load statistics and load calculation ............................................................. 7 Demand factor method to calculate the load ............................................... 7 Safety load and statistics of production load............................................... 8 The ground substation capacity calculation ................................................ 8 The choice of the main transformer................................................................. 12 Reactive power pensation................................................................... 12 The choice of the main transformer .......................................................... 15 Transformer economic operation problem ................................................ 16 Chapter 3 Ground power supply system design .................................................... 18 Substation location choice ............................................................................... 18 Substation location choice conditions ....................................................... 18 Determination of substation power supply connection ................................... 18