【正文】 35kV 萬合變新建工程初步設(shè)計(jì)說明書35kV 萬合變電站新建工程初步設(shè)計(jì)說明書35kV 萬合變新建工程初步設(shè)計(jì)說明書 目 錄1 總的部分 ................................................................................................................................................1 概述 ..................................................................................................................................................1 工程設(shè)計(jì)的主要依據(jù) ....................................................................................................................1 工程執(zhí)行的相關(guān)的政策、法規(guī)和規(guī)章 .......................................................................................1 工程設(shè)計(jì)有關(guān)的規(guī)程、規(guī)范 .......................................................................................................1 政府和上級(jí)有關(guān)部門批準(zhǔn)、核準(zhǔn)的文件 ...................................................................................2 工程建設(shè)規(guī)模和設(shè)計(jì)范圍 ..........................................................................................................2 工程建設(shè)規(guī)模 ............................................................................................................................2 設(shè)計(jì)范圍與分工 ........................................................................................................................2 站址概況 ..........................................................................................................................................3 站址自然條件 ..............................................................................................................................3 環(huán)境影響評(píng)價(jià)結(jié)論 ......................................................................................................................3 進(jìn)出線走廊條件 ..........................................................................................................................3 征地拆遷及設(shè)施移改的內(nèi)容 ......................................................................................................4　工程地質(zhì)、水文地質(zhì)和水文氣象條件 ......................................................................................4 技術(shù)原則及存在問題 ......................................................................................................................5 主要技術(shù)方案 ..............................................................................................................................5 通用設(shè)計(jì)、通用設(shè)備、通用造價(jià)的應(yīng)用 ............................................................................6 新技術(shù)、新設(shè)備（新材料） 、新工藝的應(yīng)用 ....................................................................7 主要經(jīng)濟(jì)技術(shù)指標(biāo) ..........................................................................................................................72 電力系統(tǒng) ..............................................................................................................................................102. 1 電力系統(tǒng)概述 .............................................................................................................................10 某縣電網(wǎng)現(xiàn)狀 ..............................................................................................................................10 工程建設(shè)的必要性 ......................................................................................................................11 接入系統(tǒng)方案 ..............................................................................................................................112. 2 建設(shè)規(guī)模 .....................................................................................................................................12 主變規(guī)模 ......................................................................................................................................12 出線規(guī)模 ......................................................................................................................................12 無功補(bǔ)償裝置 ..............................................................................................................................132. 3 主要電氣參數(shù) .............................................................................................................................13 主變選型 ......................................................................................................................................1335kV 萬合變新建工程初步設(shè)計(jì)說明書 短路計(jì)算 ......................................................................................................................................13 電氣主接線 ..................................................................................................................................14 各級(jí)電壓中性點(diǎn)接地方式 ...........................................................................................................143 電氣部分 ..............................................................................................................................................143. 1 電氣主接線 .................................................................................................................................14 35KV 側(cè)主接線 .............................................................................................................................14 10KV 側(cè)主接線 .............................................................................................................................143. 2 短路電流及主要設(shè)備選擇 .........................................................................................................14 短路電流 ...................................................................................................................................14 主要電氣設(shè)備選擇 ......................................................................................................................15 35KV 電氣設(shè)備 .......................................................................................................................15 10KV 并聯(lián)電容器 ...................................................................................................................15 站用變壓器 ............................................................................................................................15 導(dǎo)體設(shè)計(jì) ........