千伏高壓 低壓預(yù)裝式變電站標(biāo)準(zhǔn)
10 /
化設(shè)計(jì)方案（ 版）
2020
2020 年 9 月10千伏高壓/低壓預(yù)裝式變電站標(biāo)準(zhǔn)化設(shè)計(jì)方案（2020版）
目 錄
前 言.................................................................................................................................................1
1 主要技術(shù)參數(shù).................................................................................................................................2
1.1 系統(tǒng)情況..............................................................................................................................2
1.2 主變壓器容量......................................................................................................................2
1.3 進(jìn)出線規(guī)模..........................................................................................................................2
1.4 設(shè)備短路電流水平..............................................................................................................2
1.5 無(wú)功補(bǔ)償裝置......................................................................................................................2
1.6 箱變外殼級(jí)別......................................................................................................................2
1.7 噪聲......................................................................................................................................2
1.8 箱變通風(fēng)散熱方式..............................................................................................................2
1.9 箱變外殼防護(hù)等級(jí)..............................................................................................................3
1.10 內(nèi)部電弧級(jí)別....................................................................................................................3
1.11 使用條件............................................................................................................................3
2 標(biāo)準(zhǔn)型箱式變電站.........................................................................................................................4
2.1典型結(jié)構(gòu)方案.......................................................................................................................4
2.1.1 環(huán)網(wǎng)型低計(jì)...............................................................................................................4
2.1.2 終端型低計(jì)...............................................................................................................7
2.2 布置類型..............................................................................................................................9
2.3 高壓柜..................................................................................................................................9
2.3.1 標(biāo)準(zhǔn)型箱式變電站中環(huán)網(wǎng)柜組合方案..................................................................9
2.3.2 定制要求...................................................................................................................9
2.4 變壓器................................................................................................................................10
2.4.1 變壓器形式.............................................................................................................10
2.4.2 額定容量.................................................................................................................10
2.5 低壓部分............................................................................................................................10
2.5.1 自動(dòng)化終端（如有）類型及安裝方式................................................................10
2.5.2 低壓元件安裝方式.................................................................................................10
2.5.3 低壓側(cè)電流電壓表.................................................................................................10
2.5.4 低壓側(cè)主母線.........................................................................................................10
2.5.5 低壓側(cè)主進(jìn)斷路器.................................................................................................10
2.5.6 計(jì)量方式.................................................................................................................10
2.5.7 低壓側(cè)CT...............................................................................................................10
2.5.8 計(jì)量表安裝位置.....................................................................................................11
2.5.9 低壓出線路數(shù)及額定電流.....................................................................................11
2.5.10 低壓側(cè)出線斷路器...............................................................................................11
2.5.11 低壓側(cè)中性線和保護(hù)線.......................................................................................11
2.5.12 無(wú)功補(bǔ)償總開關(guān)...................................................................................................11
2.5.13 無(wú)功補(bǔ)償裝置及補(bǔ)償容量...................................................................................12
2.6 變壓器至高低壓柜連接形式............................................................................................12
2.7 箱變外形............................................................................................................................12
2.7.1 箱體外形.................................................................................................................12
2.7.2 低壓柜.....................................................................................................................1310千伏高壓/低壓預(yù)裝式變電站標(biāo)準(zhǔn)化設(shè)計(jì)方案（2020版）
2.7.3 頂蓋外形.................................................................................................................15
2.7.4 開門所需空間.........................................................................................................15
2.7.5 變壓器網(wǎng)門.............................................................................................................15
2.8 高低壓電纜孔....................................................................................................................15
2.9 接地....................................................................................................................................16
2.10 整體起吊方式..................................................................................................................16
3 緊湊型箱式變電站.......................................................................................................................17
3.1 典型結(jié)構(gòu)方案....................................................................................................................17
3.1.1環(huán)網(wǎng)型低計(jì)..............................................................................................................17
3.1.2 終端型低計(jì).............................................................................................................21
3.2 布置類型............................................................................................................................23
3.3 高壓柜................................................................................................................................24
3.3.1 緊湊型箱式變電站中環(huán)網(wǎng)柜組合方案................................................................24
3.3.2 定制要求.................................................................................................................24
3.4 變壓器................................................................................................................................24
3.4.1 變壓器形式.............................................................................................................24
3.4.2 額定容量.................................................................................................................24
3.5 低壓部分............................................................................................................................24
3.5.1自動(dòng)化室..................................................................................................................24
3.5.2通信類型（如有）及安裝方式.............................................................................25
3.5.3 電量采集類型及安裝方式.....................................................................................25
3.5.4 低壓元件安裝方式.................................................................................................25
3.5.5 低壓側(cè)電流電壓表.................................................................................................25
3.5.6 低壓側(cè)主母線.........................................................................................................25
3.5.7 計(jì)量方式.................................................................................................................25
3.5.8 低壓側(cè)CT...............................................................................................................25
3.5.9 低壓出線路數(shù)及額定電流.....................................................................................25
3.5.10 低壓側(cè)出線斷路器...............................................................................................26
3.5.11 低壓側(cè)中性線和保護(hù)線.......................................................................................26
3.5.12 無(wú)功補(bǔ)償總開關(guān)...................................................................................................26
3.5.13 無(wú)功補(bǔ)償裝置及補(bǔ)償容量...................................................................................26
3.6 變壓器至高低壓柜連接形式............................................................................................26
3.7 箱變外形............................................................................................................................26
3.7.1 箱體外形.................................................................................................................26
3.7.2 低壓柜.....................................................................................................................28
3.7.3 頂蓋外形.................................................................................................................30
3.7.4 開門所需空間.........................................................................................................30
3.7.5 變壓器網(wǎng)門.............................................................................................................30
3.8 高低壓電纜孔....................................................................................................................30
3.9 接地....................................................................................................................................31
3.10 整體起吊方式..................................................................................................................31
4 替代型箱式變電站.......................................................................................................................32
4.1 替代方案一........................................................................................................................34
4.1.1 典型結(jié)構(gòu)方案.........................................................................................................3410千伏高壓/低壓預(yù)裝式變電站標(biāo)準(zhǔn)化設(shè)計(jì)方案（2020版）
4.1.2 布置類型.................................................................................................................35
4.1.3 高壓柜.....................................................................................................................36
4.1.4 變壓器.....................................................................................................................37
4.1.5 低壓部分.................................................................................................................37
4.1.6 變壓器至高低壓柜連接形式................................................................................39
4.1.7 箱變外形.................................................................................................................39
4.1.8 高低壓電纜孔.........................................................................................................41
4.2 替代方案二........................................................................................................................42