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畢業(yè)論文-110-35-10kv變電站電氣部分初步設(shè)計(jì)-展示頁

2025-06-18 09:31本頁面
  

【正文】 籌安排下,合理開發(fā)、利用動(dòng)力資源,用較少的投資和運(yùn)行成本,來滿足國民經(jīng)濟(jì)各部門及人民生活不 斷增長的需要,提供可靠 、 充足、質(zhì)量合格的電能。 Carries on the parameter putation, the picture equivalent work chart, and calculates various voltages rank side the shortcircuit current, lists the shortcircuit current result table。 通過本次設(shè)計(jì),學(xué)習(xí)了設(shè)計(jì)的基本方法,鞏固 三 年以來學(xué)過的知識(shí),培養(yǎng)獨(dú)立分析 問題的能力 , 而且加深對(duì)變電站的全面了解 。 利用數(shù)字化技術(shù)來解決目前綜合自動(dòng)化變電站存在的問題已成為可能。 隨著科學(xué)技術(shù)的發(fā)展, 網(wǎng)絡(luò)技術(shù)的普及,數(shù)字化技術(shù)成為當(dāng)今科學(xué)技術(shù)發(fā)展的前沿,變電站數(shù)字化對(duì)進(jìn)一步提升變電站綜合自動(dòng)化水平將起到極大 促進(jìn)作用,是未來變電站建設(shè)的發(fā)展方向。蘭州工業(yè)高等??茖W(xué)校畢業(yè)論文 摘 要 I 摘 要 本次畢業(yè)設(shè)計(jì)的題目是《 110/35/10KV變電站電氣部分初步設(shè)計(jì)》。根據(jù)設(shè)計(jì)的要求,在設(shè)計(jì)的過程中, 根據(jù)變電站的地理環(huán)境 、 容量 和各回路數(shù)確定變電站 電氣主接線 和站用電接線 ,并選擇 各變壓器的型號(hào); 進(jìn)行參數(shù)計(jì)算、畫等值網(wǎng)絡(luò)圖,并計(jì)算各電壓等級(jí)側(cè)的短路電流,列出短路電流結(jié)果表;計(jì)算回路 持續(xù)工作電流、選擇各種高壓電氣設(shè)備,并根據(jù)相關(guān)技術(shù)條件和短路電流計(jì)算結(jié)果表校驗(yàn)各高壓設(shè)備 。 基于這種發(fā)展的需求 ,該變電站采用 EDCS6200 型 110kV 變電站綜合自動(dòng)化。 本 變電站就是利用數(shù)字化技術(shù)使變電站的信息采集、傳輸、處理、輸出過程全部數(shù)字化,并使通信網(wǎng)絡(luò)化、模型和通信協(xié)議統(tǒng)一化、設(shè)備智能化、運(yùn)行管理自動(dòng)化 。 關(guān)鍵詞 主接線 , 短路電流 , 電氣設(shè)備 , 主變保護(hù) , 配電裝置 , EDCS6200蘭州工業(yè)高等??茖W(xué)校畢業(yè)論文 Abstract I Abstract This graduation project topic is: 110/35/10KV Transformer substation Electricity Part Preliminary design.According to the design request, in the design process, according to the transformer substation geographical environment, the capacity and various return routes number determined the transformer substation electricity host wiring and the station use electricity the wiring, and chooses various transformers the model。 Calculates the return route continually operating current, chooses each kind of high pressure electrical equipment, and verifies various high pressure unit according to the correlation engineering factor and the shortcircuit current puted result table. Along with the science and technology development, the working popularization,the digitized technology will bee now the science and technology development the front, the transformer substation digitization to further promotes the transformer substation synthesis automation level to get up to the limit the big promoter action, is the future transformer substation construction development on this kind of development demand, this transformer substation uses EDCS6200 the 110kV transformer substation synthesis at present using the digitized technology to synthesize the automated transformer substation existence the question possibly to transformer substation is causes the transformer substation using the digitized technology information gathering, the transmission, processing, the output process to digitize pletely, and causes the correspondence work, the model and munication protocol unitizing, the equipment intellectualization, the movement management automation. Through this design, has studied the design essential method, since the consolidated four years have studied the knowledge, raises the independent analysis question ability, moreover deepens to the transformer substation prehensive understanding. Key words Main wiring, Shortcircuit current, Electrical equipment, The host changes the protection, Power distribution equipment,EDCS6200 蘭州工業(yè)高等??茖W(xué)校畢業(yè)論文 目 錄 II 目 錄 緒論 ........................................................... 1 第 1 章 變電站電氣主接線設(shè)計(jì)及主變壓器的選擇 ....................... 1 主接線的設(shè)計(jì)原則和要求 ......................................... 1 主接線的設(shè)計(jì)原則 .......................................... 1 主接線設(shè)計(jì)的基本要求 ...................................... 1 主接線的設(shè)計(jì) ................................................... 2 設(shè)計(jì)步驟 .................................................. 2 初步方案設(shè)計(jì) .............................................. 2 最優(yōu)方案確定 .............................................. 3 主變壓器的選擇 ................................................. 4 主變壓器臺(tái)數(shù)的選擇 ........................................ 4 主變壓器型式的選擇 ........................................ 4 主變壓器容量的選擇 ........................................ 5 主變壓器型號(hào)的選擇 ........................................ 5 站用變壓器的選擇 ................................................ 5 站用變壓器的選擇的基本原則 ................................ 5 站用變壓器型號(hào)的選擇 ...................................... 6 第 2 章 短路電流計(jì)算 ............................................. 7 短路計(jì)算的目的、規(guī)定與步驟 ..................................... 7 短路電流計(jì)算的目的 ........................................ 7 短路計(jì)算的一般規(guī)定 ........................................ 7 計(jì)算步驟 .................................................. 7 變壓器的參數(shù)計(jì)算及短路點(diǎn)的確定 ................................. 8 變壓器參數(shù)的計(jì)算 .......................................... 8 短路點(diǎn)的確定 .............................................. 8 各短路點(diǎn)的短路計(jì)算 ............................................. 9 短路點(diǎn) d1 的短路計(jì)算 (110KV 母線 ) ........................... 9 短路點(diǎn) d2 的短路計(jì)算 (35KV 母線 ) ............................ 9 短路點(diǎn) d3 的短路計(jì)算 (10KV 母線 ) ........................... 10 短路點(diǎn) d4 的短路計(jì)算 ..................................... 10 繪制短路電流計(jì)算結(jié)果表 ........................................ 11 第 3 章 電氣設(shè)備選擇與校驗(yàn) ....................................... 12 電氣設(shè)備選擇的一般規(guī)定 ........................................ 12 一般原則 ................................................. 12 有關(guān)的幾項(xiàng)規(guī)定 ........................................... 12 各回路持續(xù)工作電流的計(jì)算 ...................................... 12 高壓電氣設(shè)備選擇 .............................................. 13 斷路器的選擇與校驗(yàn) ....................................... 13 隔離開關(guān)的選擇及校 驗(yàn) ..................................... 16 電流互感器的選擇及校驗(yàn) ................................... 17 電壓互感器的選擇及校驗(yàn) ................................... 20 蘭州工業(yè)高等??茖W(xué)校畢業(yè)論文 目 錄 III 母線與電纜的選擇及校驗(yàn) ................................... 21 熔斷器的選擇 .............................................. 23 第 4 章 無功補(bǔ)償設(shè)計(jì) ........................................
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