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電氣工程自動(dòng)化專業(yè)(畢業(yè)論文)_(已修改)

2025-06-19 05:18 本頁面
 

【正文】 (論文)摘 要本設(shè)計(jì)的題目為“遼寧工學(xué)院綜合教學(xué)樓變電所擴(kuò)大初步設(shè)計(jì)”。設(shè)計(jì)的主要內(nèi)容包括:10/;變電所電氣主接線設(shè)計(jì);短路電流計(jì)算;負(fù)荷計(jì)算;無功功率補(bǔ)償;電氣設(shè)備選擇(母線、高壓斷路器、隔離開關(guān)、電流互感器、電壓互感器、避雷器和補(bǔ)償電容器);配電裝置設(shè)計(jì);繼電保護(hù)規(guī)劃設(shè)計(jì);防雷保護(hù)設(shè)計(jì)等。根據(jù)電氣主線設(shè)計(jì)應(yīng)滿足可靠性、靈活性、經(jīng)濟(jì)性的要求,本變電所電氣主接線的高壓側(cè)采用單母線接線,低壓側(cè)采用單母線分段的電氣主接線形式;對(duì)低壓側(cè)負(fù)荷的統(tǒng)計(jì)計(jì)算采用需要系數(shù)法;為減少無功損耗,提高電能的利用率, 本設(shè)計(jì)進(jìn)行了無功功率補(bǔ)償設(shè)計(jì),;短路電流的計(jì)算包括短路點(diǎn)的選擇及其具體數(shù)值計(jì)算;而電氣設(shè)備選擇采用了按額定電流選擇,按短路電流計(jì)算的結(jié)果進(jìn)行校驗(yàn)的方法;繼電保護(hù)設(shè)計(jì)主要是對(duì)變壓器進(jìn)行電流速斷保護(hù)和過電流保護(hù)的設(shè)計(jì)計(jì)算;配電裝置采用成套配電裝置;本變電所采用避雷針防直擊雷保護(hù)。本設(shè)計(jì)十分注重運(yùn)用我國電氣設(shè)計(jì)的新技術(shù)和新的設(shè)備,實(shí)用性及強(qiáng),考慮到是實(shí)際工程的應(yīng)用,便以通俗易懂的語言進(jìn)行闡述。 關(guān)鍵詞:變電所設(shè)計(jì);電氣主接線;繼電保護(hù)I 本科生畢業(yè)設(shè)計(jì)(論文)目 錄前言 ......................................................................................................................... V第1章 畢業(yè)設(shè)計(jì)概述 ............................................................................................ 1 畢業(yè)設(shè)計(jì)題目 ........................................................................................... 1 畢業(yè)設(shè)計(jì)目的 ........................................................................................... 1 ............................................................................................ 1第2章 負(fù)荷計(jì)算 .................................................................................................... 2 .................................................................................................... 2 .................................................................................................... 2第3章 無功功率補(bǔ)償 ............................................................................................ 7 ................................................................................ 7 ................................................................................ 7第4章 主變壓器選擇 ............................................................................................ 臺(tái)數(shù)、型號(hào)選擇 .................................................... 9 ..................................................................................... 9 ..................................................................... 9 ............................................................................... 10 .................................................................................. 10 .................................................................................. 11 .................................................................. 11第5章 變電所電氣主接線 .................................................................................. 12 .......................................................... 12 ............................................................... 12 ....................................................................... 12 .............................................................................. 13 .............................................................................................. 14第6章 短路計(jì)算 .................................................................................................. 18 .................................................................................................. 18 .......................................................................................... 18 .................................................................................................. 18 .................................................................................................. 19II 本科生畢業(yè)設(shè)計(jì)(論文)第7章 電氣設(shè)備選擇與校驗(yàn) .............................................................................. 23 ...................................................................................... 23 .............................................................................. 23 .......................................................................... 24 ..............................................
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