【正文】 g design, end plete this design project. Pass to plete this graduate design the thesis, further appreciating the our country the policy idea of electric power industry developments with the economic standpoint, educates to proceed to the engineering technique, economy more pletely to synthesize the analytical skill. Key words: substation short circuit puting electricity equipment 黃河 60/10KV 降壓變電所 － VII－ 目 錄 原始資料 ...................................................................................................................................... I 中文摘要 ................................................................................................................................... IV ABSTRACT ................................................................................................................................... V 引 言 ......................................................................................................................................... 1 第一章 主變壓器的選擇 .......................................................................................................... 2 主變臺數(shù)、容量的確定 .................................................................................................... 2 功率因數(shù)的補償及電容器的 選擇 .................................................................................. 4 第二章 電氣主接線的選擇 ................................................................................................. 11 主接線的設(shè)計原則及基本要求 ..................................................................................... 11 本變電所主接線的選擇 .............................................................................................. 12 第三章 短路電流的計算說明 ................................................................................................ 15 短路電流計算的目的 ................................................................................................. 15 短路的基本類型 ......................................................................................................... 15 短路電流計算的基本假定 ......................................................................................... 15 一般規(guī)定 ..................................................................................................................... 15 計算步驟 ..................................................................................................................... 16 計算方法 ..................................................................................................................... 16 第四章 主要電氣設(shè)備的選擇 ............................................................................................... 17 一般原則 ....................................................................................................................... 17 母線的選擇 ................................................................................................................. 17 高壓斷路器的選擇 ..................................................................................................... 18 隔離開關(guān)的選擇 ......................................................................................................... 19 電流互感器的選擇 ....................................................................................................... 19 電壓互感器的選擇 ....................................................................................................... 20 第五章 配電裝置的規(guī)劃 ........................................................................................................ 22 電工建 筑物總平面布置的基本原則 ........................................................................... 22 本所電氣布置規(guī)劃方案 ............................................................................................... 22 第六章 繼電保護(hù)和自動裝置的規(guī)劃設(shè)計 ........................................................................... 24 沈陽工業(yè)大學(xué)畢業(yè)設(shè)計 （ 論文 ） － VIII－ 總 則 ................................................................................................................................ 24 一般規(guī)定 ........................................................................................................................ 24 主變保護(hù)的詳細(xì)說明 .................................................................................................. 24 母線保護(hù) .................................................................................................................... 25 安全自動裝置 ................................................................................................................ 28 第七章 防雷保護(hù)規(guī)劃設(shè)計 .................................................................................................... 30 變電所的保護(hù)對象 ....................................................................................................... 30 電工裝置的防雷保護(hù) ................................................................................................... 30 防雷設(shè)計要求和所需資料 ........................................................................................... 30 防雷保護(hù)措施 ............................................................................................................... 31 第八章 主變壓器的選擇計算部分 ....................................................................................... 32 變壓器容量的確定 ....................................................................................................... 32 8 .2 無功補償容量的確定及裝置的選擇 .......................................................................... 33 第九章 短路電流的計算過程 ................................................................................................ 35 所用計算公式 ............................................................................................................. 35 系統(tǒng)計算電路圖和等值電路圖 ................................................................................. 35 第十章 電氣設(shè)備的選擇計算及校驗 ......................................................................