黑龍江科技學(xué)院機(jī)械廠降壓變電所電氣設(shè)計(jì)-展示頁(yè)
2025-07-13 21:27本頁(yè)面
【正文】 ………………………………5………………………………………………………………………5……………………………………………………………….5………………………………………………………………5……………………………………………………………………6………………………………………………………………6………………………………………………………………6………………………………………………7 第一章 負(fù)荷和無功功率計(jì)算及補(bǔ)償.....................................................................8 負(fù)荷計(jì)算的目的、意義及原則......................................................................8 全廠負(fù)荷計(jì)算及方法…..................................................................................9 ...................................................................................................10 ………………....................................................................11 ...................................................................................11第二章 變電所位置和形式的選擇……………....................................................12 變電所位置的選擇.........................................................................................12 變電所形式的選擇.........................................................................................13 第三章變電所主變壓器臺(tái)數(shù)、容量類型的選擇.................................................15 ......................................................................................... 15 ..................................................................15 第四章 變電所主接線方案的選擇........................................................................16 ....................................................................16 ..................................................................17 ..........................................................................17 第五章 短路電流計(jì)算............................................................................................18 ....................................................................18 ......................................................................................19 第六章 變電所一次設(shè)備的選擇與校驗(yàn)................................................................22 .............................................................................22 .................................................................................22 高壓側(cè)一次設(shè)備的選擇與校驗(yàn)...............................................................22 低壓側(cè)一次設(shè)備的選擇與校驗(yàn)...............................................................24 高低壓母線的選擇………………………………………………………25第七章 變電所進(jìn)出線與臨時(shí)單位聯(lián)絡(luò)線的選擇………………………………26 10kv高壓進(jìn)線和引入電纜的選擇……………………………………….26 380v低壓出線的選擇……………………………………………………26…………………………………29第八章 變電所二次回路方案選擇及繼電保護(hù)的整定........................................30 ...................................................................................30 .......................................................................................31 ...........................................................................................32...............................................32第九章防雷和接地裝置的確定...............................................................................33 ...........................................................................................33 變電所公共接地裝置的設(shè)計(jì)................................................. ........................34 …………………………………………………………………...35結(jié)束語...................................................................................................................36 本設(shè)計(jì)將分九章，第一章講述負(fù)荷和無功功率計(jì)算及補(bǔ)償，有了此基礎(chǔ)，在第七章便討論高、低壓電力網(wǎng)
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