【正文】 ............... 64 Acknowledgements ................................................................................................... 65 References ................................................................................................................. 66年產(chǎn)為 180 萬噸煤礦地面變電所設(shè)計(jì) 1 第 1 章 緒 論 選題的意義 電力是當(dāng)今世界使用最為廣泛，地位最為重要的能源。Electrical equipment selection 。 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。設(shè)計(jì)中還對(duì)主要的高壓設(shè)備做出了選擇和計(jì)算，如斷路器，隔離開關(guān)，電壓互感器，電流互感器等。年產(chǎn)為 180 萬噸煤礦地面變電所設(shè)計(jì) I 年產(chǎn)為 180 萬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)。設(shè)計(jì)中先對(duì)負(fù)荷進(jìn)行了統(tǒng)計(jì)和計(jì)算，選出了所需主變壓器的型號(hào)，然后根據(jù)負(fù)荷性質(zhì)及對(duì)供電可靠性要求擬定主接線設(shè)計(jì)，考慮到短路電流對(duì)系統(tǒng) 的嚴(yán)重影響，設(shè)計(jì)中進(jìn)行了短路電流計(jì)算。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。Lord wiring design ；shortcicuit current calculation。Relay protection 年產(chǎn)為 180 萬噸煤礦地面變電所設(shè)計(jì) III 目 錄 摘 要 ........................................................................................................................... I ABSTRACT ................................................................................................................II 第 1章 緒 論 .......................................................................................................... 1 選題的意義 ...................................................................................................... 1 國內(nèi)外發(fā)展情況 .............................................................................................. 1 原始資料分析 .................................................................................................. 3 設(shè)計(jì)題目及原始資料 .............................................................................. 3 本設(shè)計(jì)的指導(dǎo)思想 .................................................................................. 4 設(shè)計(jì)內(nèi)容 .................................................................................................. 4 第 2 章 負(fù)荷統(tǒng)計(jì)主變壓器的選擇 ............................................................................ 7 負(fù)荷來源 ......................................................................................................... 7 負(fù)荷統(tǒng)計(jì)與負(fù)荷計(jì)算 ...................................................................................... 7 主變壓器選擇 ................................................................................................ 12 無功功率補(bǔ)償 ......................................................................................... 12 主變的選擇 ............................................................................................. 15 變壓器的經(jīng)濟(jì)運(yùn)行問題 ......................................................................... 16 第 3 章 地面供電系統(tǒng)的設(shè)計(jì) ......................................... 18 變電所位置的選擇 ........................................................................................ 18 變電所位置選擇 的條件 ......................................................................... 18 變電所電源結(jié)線的確定 ............................................................................... 18 一次結(jié)線 二次母線及配出線的結(jié)線 ..................................................... 18 第 4 章 短路電流的計(jì)算 .......................................................................................... 20 計(jì)算短路電流的目的和任務(wù) ....................................................................... 20 短路點(diǎn)的選擇 ............................................................................................... 20 短路電流的計(jì)算 ........................................................................................... 22 短路計(jì)算結(jié)果 ............................................................................................... 27 第 5 章 變電所高壓電氣設(shè)備選擇 .......................................................................... 28 概 述 ........................................................................................................... 28 年產(chǎn)為 180 萬噸煤礦地面變電所設(shè)計(jì) IV 60 千伏設(shè)備的選擇 ...................................................................................... 29 60kv 隔離開關(guān)的選擇 ........................................................................... 29 60KV 油斷路器的選型 ........................................................................... 30 互感器及其選擇 .................................................................................... 31 變電所母線裝置的選擇 ........................................................................ 32 6KV 電氣設(shè)備的選擇 .................................................................................... 34 6kv 進(jìn)線柜的選擇 ............................