【正文】 ................................. 41 母線支柱絕緣子的選擇 ................................................................................ 42 護(hù)外支柱絕緣子的選擇 ........................................................................ 42 戶內(nèi)支柱絕緣子的選擇。此外還進(jìn)行了繼電保護(hù)以及防雷保護(hù)的設(shè)計(jì)與計(jì)算，提高了整個(gè)變電所的安全性。年產(chǎn)為 180 萬(wàn)噸煤礦地面變電所設(shè)計(jì) I 年產(chǎn)為 180 萬(wàn)噸煤礦地面變電所設(shè)計(jì) 摘 要 本設(shè)計(jì)根據(jù)年產(chǎn)為 180 萬(wàn)噸煤礦的電力負(fù)荷的資料，做出了該礦的 60kv 總降壓變電所的整體設(shè) 計(jì) ，包括負(fù)荷計(jì)算及無(wú)功補(bǔ)償，系統(tǒng)主接線方案的選擇，高壓電氣設(shè)備的選擇，短路電流的 計(jì)算 對(duì)所選的高壓電氣設(shè)備的校驗(yàn)，繼電保護(hù)的設(shè)計(jì)，防雷及接地的設(shè)計(jì)等，本設(shè)計(jì)以實(shí)際負(fù)荷為依據(jù)，以變電所最佳運(yùn)行方式為基礎(chǔ)，按照有關(guān)規(guī)定和規(guī)范，做出了滿足該礦生產(chǎn)需求的設(shè)計(jì)。 關(guān)鍵詞 ： 60kv 變電所 負(fù)荷計(jì)算 主接線設(shè)計(jì) 短路電流計(jì)算 高壓電氣設(shè)備選擇 繼電保護(hù) 年產(chǎn)為 180 萬(wàn)噸煤礦地面變電所設(shè)計(jì) II ABSTRACT This design according to the mine power load material make the attained general voltage 60kv substation design specification of the overall design including load calculation and reactive psation,system of main wiring schemse choose ,high voltage electrical equipment calculation of shortcircuit current and of selected high votage electrical equipment calibration relay protection design lightning protection and grounding design . design to the actula load as the basis the best operation way in substation based in accordance with the relevant regulations and atandard make a meet, the design of mine produetion requiremants. Design the firt to load to seleat the statistical and putational got the main transforner models,and then based on the load properties and worked on the power supply reliability require ments considering the Lord wiring design the serious influence of system short cicuit design the short circuit calculation .Design of high pressure of the main eletrical eqquipment selection and caculation such as breaker isolating suitch .voltage transformer current transformer , addition also carried out the relay protetion and lightion protection design and calcutation improve the security of the whole substation . Keywords: 60kv substation ； Lord calculation。 .................................................................... 42 60kV 及 6kV 輸電線路的選擇與敷設(shè) .......................................................... 42 導(dǎo)線材料的選擇 .................................................................................. 42 絕緣子的選擇 ........................................................................................ 42 金具的選擇 ............................................................................................ 43 電桿的選擇 ............................................................................................. 43 架空線路的敷設(shè) .................................................................................... 43 第 6 章 繼電保護(hù)的規(guī)劃設(shè)計(jì) .................................................................................. 44 繼電保護(hù)的概述 ............................................................................................ 44 主變保護(hù)和整定 ............................................................................................ 44 本變電所對(duì)主變壓器采用如下保護(hù)： ................................................ 44 主變壓器保護(hù)的接線方式 .................................................................... 44 年產(chǎn)為 180 萬(wàn)噸煤礦地面變電所設(shè)計(jì) V 保護(hù)裝置的選擇 .................................................................................... 44 主變保護(hù)裝置的整定計(jì)算 .................................................................... 45 60KV 線路保護(hù)計(jì)算 ...................................................................................... 48 60kV線路保護(hù) ....................................................................................... 48 6kV 配出線路保護(hù)計(jì)算 ......................................................................... 49 6kV 系統(tǒng)漏電保護(hù) ........................................................................................ 51 漏電保護(hù)裝置 ........................................................................................ 51 6kV 電力電容器的保護(hù) ................................................................................ 52 6kV 母線聯(lián)絡(luò)柜保護(hù)原理及整定 ................................................................ 54 保護(hù)裝置的裝設(shè)原則 ............................................................................ 54 保護(hù)裝置的接線方式 ............................................................................ 54 保護(hù)裝置的整定計(jì)算 ............................................................................ 54 第 7 章 防雷保護(hù)與安全接地規(guī)劃設(shè)計(jì) ................................. 56 過(guò)電壓的原因及危害 .................................................................................... 56 防直擊雷的保護(hù) ........................................................................................... 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(hù)范圍平面圖 .................................................................... 58 內(nèi)過(guò)電壓的抑制 .................................................................................... 58 對(duì) 60kV 進(jìn)線段的保護(hù) .......................................................................... 58 對(duì)雷電入侵波 的防護(hù) ................................................................................... 58 接地措施 ....................................................................................................... 59 保護(hù)接地 ................................................................................................. 59 接地裝置的敷設(shè) .................................................................................... 60 接地電阻的計(jì)算 .................................................................................... 60 避雷針的設(shè)計(jì) ................................................................................................ 61 第 8章 變電所室內(nèi)外配電裝置的設(shè)計(jì) .................................................................. 62 室內(nèi)外概況 .................................................................................................... 62 室內(nèi)布置 .....................................................................