【正文】 ion results, and make 10kv bus relay protection design and setting and achieving puter monitor. KEYWORDS: power system, shortcircuit current, relay protection 大學畢業(yè)論文 i 目錄 摘要 ............................................................................................................................................. I ABSTRACT .............................................................................................................................. II 緒論 ...................................................................................................................................... 1 概述 ............................................................................................................................... 1 選題意義 ....................................................................................................................... 1 國內外發(fā)展 10KV供電概況 ...................................................................................... 1 課題擬采用的方案和技術路線 .................................................................................. 2 設計任務及原始資料 .......................................................................................................... 3 設計任務 ....................................................................................................................... 3 原始資料 ....................................................................................................................... 3 ................................................................................................................... 3 煤礦電氣設備組成 ............................................................................................. 3 設計依據(jù) ............................................................................................................ 3 變電所一次設備的選型 ...................................................................................................... 6 補償電容器選擇 ........................................................................................................... 6 主變壓器的選擇 ........................................................................................................... 6 110kv 高壓架空線的選擇 ............................................................................................ 7 架空線截面積的選擇 ......................................................................................... 7 架空線的校驗 ..................................................................................................... 7 短路電流計算 ............................................................................................................... 8 短路電流的計算目的 ......................................................................................... 8 短路電流的計算公式（標幺值計算方法） ..................................................... 8 各母線短路電流列表 ......................................................................................... 9 側設備選型 ......................................................................................................... 9 隔離開關的選擇 ............................................................................................... 10 斷 路器的選擇 ................................................................................................... 10 10kv 母線選型與校驗 ................................................................................................ 10 10kv 母線截面積的選擇 .................................................................................. 10 10kv 側設備選型 ........................................................................................................ 11 母聯(lián)斷路器的選擇 ........................................................................................... 11 母聯(lián)隔離開關的選擇 ....................................................................................... 11 10kv 母線繼電保護 ........................................................................................................... 11 母線的完全差動保護 ................................................................................................. 12 主保護的保護裝置及整定計算 ....................................................................... 12 整定計算 ........................................................................................................... 12 電流速斷保護 ............................................................................................................. 13 速斷電流的整定 ............................................................................................... 13 電流速斷保護靈敏度檢驗 ............................................................................... 13 10KV母線微機保護裝置的設計 ..................................................................................... 14 微機保護概述 ............................................................................................................. 14 大學畢業(yè)論文 ii 設計 10KV母線微機保護系統(tǒng)要求 ......................................................................... 15 微機保護硬件電路設計 ............................................................................................. 16 83C552 簡介 .................................................................................................. 16 定時器 T2 介紹 ................................................................................................ 19 定時器 T2 控制寄存器 TM2CON .................................................................. 19 輸入捕捉邏輯 .................................................................................................. 19 中斷標志寄存器 TM2IR ................................................................................. 20 中斷優(yōu)先級寄存器 IP1 ................................................................................... 20 中斷允許寄存器 IEN1 .................................................................................... 20 串行口的工作方式 .......................................................................................... 21 模擬輸入電路 .