【正文】 黃河60/10KV降壓變電所電氣部分初步設(shè)計(jì)The first step design for electrical part of Huanghe 60KV step down substation學(xué)院：沈陽(yáng)工業(yè)大學(xué)專業(yè)：電氣工程及其自動(dòng)化班級(jí)：電本022學(xué)號(hào)： 28學(xué)生姓名：高振興指導(dǎo)教師：許曉峰原始資料（一）設(shè)計(jì)任務(wù)書部分 一、 設(shè)計(jì)題目 ：黃河60kv降壓變電所電氣部分設(shè)計(jì)二、 原始資料及依據(jù)（一）變電所概況介紹：1． 待設(shè)計(jì)變電所電壓等級(jí)為60/10kv。2． 所址位于某城市南部附近的草原地帶，平均海拔300m，交通方便，最高氣溫40℃，最低氣溫20℃，年平均氣溫16℃。周圍空氣無(wú)污染。3． 該變電所有兩回電源進(jìn)線，14回出線。4． 出線走廊寬闊，交通方便。5． 待設(shè)計(jì)變電所與電力系統(tǒng)的連接情況。（二）待設(shè)計(jì)變電所與電力系統(tǒng)連接情況2*70km220kv2*63MVAud%=2*50MW,cosφ=Xd=1B2B2*63MVA2*10kM60kv變電所220kvS=3000MVAX*=SB=100MVA5B6B2*90MVAud%=2*Xd=2*100km（三）變電所10kv側(cè)用戶負(fù)荷表重要負(fù)荷占總負(fù)荷的65%，線損取5%序號(hào)用戶名稱最大負(fù)荷（kw）cosφ回路數(shù)附注線路長(zhǎng)度（km）Tmax近遠(yuǎn)1紅旗機(jī)械廠300050002有重要負(fù)荷650002農(nóng)機(jī)廠200040002有重要負(fù)荷850003電視機(jī)廠200035002有重要負(fù)荷1050004農(nóng)電一號(hào)150025001有季節(jié)性重要負(fù)荷1350005農(nóng)電二號(hào)150025001有季節(jié)性重要負(fù)荷1250006市區(qū)一號(hào)150040002有重要負(fù)荷950007市區(qū)二號(hào)200045002有重要負(fù)荷1050008市區(qū)三號(hào)200025001III類負(fù)荷1250009食品廠150020001III類負(fù)荷145000（四）設(shè)計(jì)主要內(nèi)容及要求選擇本變電所主變壓器的型號(hào)、容量和臺(tái)數(shù)； 進(jìn)行變電所無(wú)功功率補(bǔ)償設(shè)計(jì)；設(shè)計(jì)本變電所電氣主接線的基本形式；進(jìn)行短路電流計(jì)算；進(jìn)行主要電氣設(shè)備的選擇（母線、高壓斷路器、隔離開(kāi)關(guān)、電流互感器、電壓互感器和避雷器等）；進(jìn)行本變電所高壓配電裝置的規(guī)劃設(shè)計(jì)；進(jìn)行本變電所繼電保護(hù)和自動(dòng)裝置的規(guī)劃設(shè)計(jì)；進(jìn)行本變電所防雷保護(hù)的規(guī)劃設(shè)計(jì)。要求寫出不少于15000字的設(shè)計(jì)說(shuō)明（計(jì)算）書；并繪制出下列圖紙：變電所電氣主接線圖一張；全所總平面布置圖一張；屋外高壓配電裝置斷面圖一張（畫兩個(gè)斷面）；變電所屋外防雷保護(hù)圖一張。第二部分：外文資料翻譯部分要求翻譯一篇與本專業(yè)或本課題有關(guān)的外文文獻(xiàn)，譯文不少于3000漢字。（二）對(duì)原始資料的分析一、 設(shè)計(jì)依據(jù) 黃河60KV降壓變電所設(shè)計(jì)任務(wù)書。 變電所設(shè)計(jì)規(guī)程。二、 變電所性質(zhì)本所為終端變電所以10KV電壓等級(jí)向不同用戶供電，對(duì)系統(tǒng)要求較高，同時(shí)還應(yīng)考慮其靈活性和經(jīng)濟(jì)性。三、 負(fù)荷資料 本所最大綜合負(fù)荷10KV側(cè)：30500KW，COSФ=。 系統(tǒng)情況系統(tǒng)有5臺(tái)汽輪發(fā)電機(jī)，6臺(tái)雙繞組變壓器。 負(fù)荷情況本所所供負(fù)荷主要是對(duì)市區(qū)及工業(yè)用戶供電。四、 自然條件 地理位置本所位于某城市南部附近的草原地帶，平均海拔300m，交通方便，周圍無(wú)污染。 氣象分析本所所在地最高氣溫40℃，最低氣溫20℃，年平均氣溫16℃，在此溫度下，普通變壓器即可工作，無(wú)須做特殊考慮。中文摘要電力系統(tǒng)專業(yè)的畢業(yè)設(shè)計(jì)是一次比較綜合的訓(xùn)練，它是我們將在校期間所學(xué)的專業(yè)知識(shí)進(jìn)行理論與實(shí)踐的很好結(jié)合，運(yùn)用理論知識(shí)和所學(xué)到的專業(yè)技能進(jìn)行工程設(shè)計(jì)和科學(xué)研究，提高分析問(wèn)題和解決問(wèn)題的能力。在完成此設(shè)計(jì)過(guò)程中，我們可以學(xué)習(xí)電力工程設(shè)計(jì)、技術(shù)問(wèn)題研究的程序和方法，獲得搜集資料、查閱文獻(xiàn)、調(diào)查研究、方案比較、設(shè)計(jì)制圖等多方面訓(xùn)練，并進(jìn)一步補(bǔ)充新知識(shí)和技能。本畢業(yè)設(shè)計(jì)論文是60/10KV二次降壓變電所電氣部分初步設(shè)計(jì)。為了保證供電的可靠性和一次性滿足遠(yuǎn)期負(fù)荷的要求，按照遠(yuǎn)期負(fù)荷規(guī)劃進(jìn)行設(shè)計(jì)建設(shè)，從而保證變電所能夠長(zhǎng)期可靠供電。根據(jù)畢業(yè)設(shè)計(jì)任務(wù)書的要求，綜合所學(xué)專業(yè)知識(shí)及《變電所設(shè)計(jì)》等書籍的有關(guān)內(nèi)容，設(shè)計(jì)過(guò)程中完成了主變選擇、電氣主接線的擬定、短路計(jì)算、電氣設(shè)備選擇、配電裝置的規(guī)劃、繼電保護(hù)和自動(dòng)裝置的規(guī)劃和防雷保護(hù)的規(guī)劃等主要工作。在此期間，遇到的種種問(wèn)題均通過(guò)反復(fù)比較、驗(yàn)算，并請(qǐng)教老師得以解決。畢業(yè)設(shè)計(jì)論文由設(shè)計(jì)說(shuō)明書、設(shè)計(jì)計(jì)算書、一套圖紙（電氣主接線圖、總平面布置圖、配電裝置斷面圖、防雷保護(hù)圖）組成。內(nèi)容較為詳細(xì)，對(duì)今后擴(kuò)建有一定的參考價(jià)值。近年來(lái)，電力在世界各國(guó)能源和經(jīng)濟(jì)發(fā)展中的作用日益增長(zhǎng)，它已成為現(xiàn)代社會(huì)實(shí)用最廣、需要最快的能源。變電所的合理設(shè)計(jì)與建設(shè)是一個(gè)極其重要的組成部分。本次設(shè)計(jì)是根據(jù)畢業(yè)設(shè)計(jì)任務(wù)書的要求，綜合所學(xué)專業(yè)知識(shí)及《變電所設(shè)計(jì)》等書籍的有關(guān)內(nèi)容，在指導(dǎo)老師的幫助下，通過(guò)本人的精心設(shè)計(jì)論證完成的。整個(gè)設(shè)計(jì)過(guò)程中，全面細(xì)致的考慮工程設(shè)計(jì)的可靠性、經(jīng)濟(jì)性、靈活性等諸多因素，最終完成本設(shè)計(jì)方案。通過(guò)完成此畢業(yè)設(shè)計(jì)論文，進(jìn)一步領(lǐng)會(huì)我國(guó)電力工業(yè)建設(shè)的政策觀念和經(jīng)濟(jì)觀點(diǎn)，培養(yǎng)對(duì)工程技術(shù)、經(jīng)濟(jì)進(jìn)行較全面的綜合分析能力。關(guān)鍵詞：變電所, 短路計(jì)算, 電氣設(shè)備AbstractThe professional graduate in system in electric power design is once more synthesize of training, it is we will during the period of school a profession for learning knowledge proceed theories and practice very good bination, make use of the theories knowledge proceeds with a profession for learning technical ability engineering design with science study, increase analyze problem with problemsolving ability. In plete this design process, we can study the electric power engineering the design, investigative procedure in problem in technique with method, be collected information, checked the cultural heritage, investigate the research, project parison and design the various training in etc. in graphics, bine further plement the new information knows with technical ability.This graduate design thesis is a 60/10 KVs a declining to press to change to give or get an electric shock an electricity parts of first steps design. For the sake of dependable that guarantee the power supply with a request that contented longterm burthen, carries according to the forward the programming proceeding design developments, from but guarantee to change to give or get an electric shock can longterm dependable power supply.Design the request of the mission book according to the graduate, synthesize a programming for learning profession knowledge and 《 s changing giving or get an electric shock the 》 designed waiting dog39。s ear relevantly contents, designing in the process pleting lord changing choice, electricity lord connecting linear draw up, short circuit puting, electricity equipments choosing, going together with electricity equipping, after give or get an electric shock the protection with the programming of the automatic device with defend protective programming in thunder etc. main work. Here period, all kinds problems that meet all passes to pare, check to calculate again and again, and ask the can solution in teacher. Graduate to design the thesis from design the manual, design calculation book, a set of diagrams paper( the electricity lord connects the line diagram, total flat surface arranges the diagram and go together with electricity equip cross section diagram, defend thunder protection diagram) constitute. The contents is more detailed, to from now on extend to consults certainly value.For this year, electric power is in international munity energy with economy develop of the function increases increasingly, it have bee modern the society is practical the most widely and need the quickest energy. Change the reasonable design that give or get an electric shock are a with developments very constituting the part importantly.This design is at guiding teacher descend, passing oneself of design what argument plete with meticulous care. Whole design process inside, pletely dependable, economic, vivid...etc. many factors that meticulous consideration engineering 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目 錄原始資料 I中文摘要 IVAbstract V引 言