【正文】 220KV 變電站電氣部分設計畢 業(yè) 設 計（論 文）說 明 書題系目：別：220KV 變電站電氣部分設計電子與信息工程系專業(yè)班級：學生姓名：指導教師：教 研 室：提交時間：電氣工程及其自動化電氣教研室2007 年 6 月 13 日理工學院本科畢業(yè)（設計）論文摘要隨著我國科學技術的發(fā)展，特別是計算機技術的進步，電力系統(tǒng)對變電站的更要求也越來越高。本設計討論的是 220KV 變電站電氣部分的設計。首先對原始資料進行分析，選擇主變壓器，在此基礎上進行主接線設計，再進行短路計算，選擇設備，然后進行防雷接地以及保護、配電裝置設計。關鍵字：變電站；短路計算；設備選擇。I220KV 變電站電氣部分設計ABSTRACTWith the development of science and technology in China, particularlyputing technology has advanced, the power system demands on substation moreand more.The design is refer to the part of 220kV electrical substation design. First of all,analyze the original data and choose the main transformer, based on it , design themain wiring and Short Circuit Calculation, at last choose equipment, then mine andthe protection of earth and distribution device.Key Words: Substation；Short Circuit Calculation；Equipment Selection II 理工學院本科畢業(yè)（設計）論文目錄要 ............................................................................................................................................. IABSTRACT.................................................................................................................................. II第 1 章 引 ...............................................................................................................................1第 2 章 電氣主接線的設計 ......................................................................................................2 主接線概述......................................................................................................2 主接線設計原則..............................................................................................4 主接線選擇......................................................................................................4第 3 章 主變壓器的選擇...........................................................................................................7 主變壓器的選擇原則......................................................................................7 主變壓器選擇結果..........................................................................................9第 4 章 所用電設計 ..................................................................................................................10 所用變選擇....................................................................................................10 所用電接線圖................................................................................................10第 5 章 220KV 變電站電氣部分短路計算 ........................................................................12 變壓器的各繞組電抗標幺值計算................................................................12 10KV 側短路計算..........................................................................................13 220KV 側短路計算........................................................................................16 110KV 側短路計算 ........................................................................................18第 6 章 導體和電氣設備的選擇 ...........................................................................................20 斷路器和隔離開關的選擇............................................................................21 220KV 出線、主變側..........................................................................22 110KV 側 ....................................................................................26 10KV 限流電抗器、斷路器隔離開關的選擇....................................28 電流互感器的選擇........................................................................................33 220KV 側電流互感器的選擇..............................................................34 110KV 側的電流互感器的選擇 ..........................................................36 10KV 側電流互感器的選擇................................................................37 電壓互感器的選擇........................................................................................38 220KV 側母線電壓互感器的選擇......................................................39 110KV 母線設備 PT 的選擇 ...............................................................40 10KV 母線設備電壓互感器的選擇....................................................40 導體的選擇與校驗........................................................................................40 220KV 母線..........................................................................................41 110KV 母線 ..........................................................................................42摘220KV 變電站電氣部分設計 10KV 母線的選擇................................................................................43 220KV 側引接線的選擇與校驗............................................44 110KV 側引接線的選擇與校驗 ............................................45 10KV 側引接線的選擇與校驗..............................................46第 7 章 防雷接地設計 .............................................................................................................49 防雷設計........................................................................................................49 接地設計........................................................................................................54第 8 章 電氣總平面布置及配電裝置的選擇 ....................................................................56 概述................................................................................................................56 配電裝置的確定............................................................................................57 電氣總平面布置.....................................