臨時(shí)用電專(zhuān)項(xiàng)施工方案

1、.星火智谷挪動(dòng)互聯(lián)網(wǎng)產(chǎn)業(yè)園工程：.；星火智谷挪動(dòng)互聯(lián)網(wǎng)產(chǎn)業(yè)園工程暫時(shí)用電施工方案 編制人： 審核人： 審批人： 編制單位：江蘇南通三建集團(tuán)股份 編制日期： 年 月 日 目錄TOC o 1-2 h u HYPERLINK l _Toc26232 第一章、編制根據(jù)及工程概略 PAGEREF _Toc26232 1 HYPERLINK l _Toc11632 1.編制根據(jù) PAGEREF _Toc11632 1 HYPERLINK l _Toc17453 2.工程簡(jiǎn)介 PAGEREF _Toc17453 1 HYPERLINK l _Toc26425 3.工程概略 PAGEREF _Toc26425

2、 1 HYPERLINK l _Toc2494 第二章、配電系統(tǒng)及計(jì)算書(shū) PAGEREF _Toc2494 2 HYPERLINK l _Toc31454 1.配電系統(tǒng) PAGEREF _Toc31454 2 HYPERLINK l _Toc27236 2.暫時(shí)用電計(jì)算書(shū) PAGEREF _Toc27236 3 HYPERLINK l _Toc11348 第三章、暫時(shí)用電平安措施 PAGEREF _Toc11348 22 HYPERLINK l _Toc26989 1.組織機(jī)構(gòu) PAGEREF _Toc26989 22 HYPERLINK l _Toc19479 2.防雷與接地安裝設(shè)計(jì)及用電平

3、安技術(shù)措施 PAGEREF _Toc19479 22 HYPERLINK l _Toc11818 3.電氣火災(zāi)預(yù)防及撲滅措施 PAGEREF _Toc11818 26 HYPERLINK l _Toc8688 第四章、現(xiàn)場(chǎng)平面布置圖、配電系統(tǒng)圖 PAGEREF _Toc8688 27 HYPERLINK l _Toc4111 1.現(xiàn)場(chǎng)平面布置圖 PAGEREF _Toc4111 27 HYPERLINK l _Toc25354 2.配電系統(tǒng)圖 PAGEREF _Toc25354 28 第一章、編制根據(jù)及工程概略1.編制根據(jù)1.1建立單位及設(shè)計(jì)提供的施工圖紙以及其它相關(guān)資料；1.2 現(xiàn)行國(guó)家及地

4、方施工技術(shù)規(guī)范、規(guī)程；1.3JGJ46-20051.4GB50054-20211.5GB50194-20211.6第三版1.7JGJ59-20211.8廣聯(lián)達(dá)施工平安設(shè)備計(jì)算軟件；2.工程簡(jiǎn)介工程稱(chēng)號(hào)：星火智谷挪動(dòng)互聯(lián)網(wǎng)產(chǎn)業(yè)園二期工程建立單位：南京互信互通科技設(shè)計(jì)單位：南京城鎮(zhèn)建筑設(shè)計(jì)咨詢(xún)監(jiān)理單位：南京騰江工程建立監(jiān)理有限責(zé)任公司施工單位：江蘇南通三建集團(tuán)工程地址：南京市浦口區(qū)星火路東側(cè)，東南大學(xué)成賢學(xué)院西側(cè)，地鐵3號(hào)線(xiàn)星火路站以南、東大路以北。工程概略3.1本工程由地下汽車(chē)車(chē)庫(kù)、部分地下自行車(chē)停車(chē)庫(kù)，上部C1#C4#、C5#樓合計(jì)5幢樓組成。主體C1#C4#為框架構(gòu)造，C1C4#6層，構(gòu)造總

5、高度23.35米；主體C5#為框剪構(gòu)造，C5#15層，構(gòu)造總高度59.85米；地下室兩層，其中地下一層層高4.7-6.5米，地下二層層高3.7米，地下室頂板覆土高度0.81.0米。3.2建筑構(gòu)造設(shè)計(jì)運(yùn)用年限為50年；地下室防水等級(jí)二級(jí)，種植頂板防水等級(jí)一級(jí)，變電所、配電房防水等級(jí)一級(jí)，抗震設(shè)防烈度七度，防護(hù)等級(jí)二等人員掩蔽工程，防核武器等級(jí)為六級(jí)；C1C4#樓為多層辦公樓，構(gòu)造平安等級(jí)二級(jí)，地上耐火等級(jí)二級(jí)，地下耐火等級(jí)一級(jí)，抗震設(shè)防烈度七度；C5#樓為一類(lèi)高層辦公樓，構(gòu)造平安等級(jí)二級(jí)，地上耐火等級(jí)一級(jí)，地下耐火等級(jí)一級(jí)，抗震設(shè)防烈度七度。、配電系統(tǒng)及計(jì)算書(shū)配電系統(tǒng)1.1本工程用電主要負(fù)荷為施

6、工現(xiàn)場(chǎng)照明、機(jī)械設(shè)備及鋼筋、木工加工車(chē)間，辦公室及生活區(qū)用電。1.2現(xiàn)場(chǎng)用電均從由建立單位提供的低壓配電房109-3柜引出斷路器容量800A，電流互感器變比800：5；一級(jí)配電房設(shè)置在二期C5東北角，內(nèi)設(shè)兩臺(tái)配電柜一臺(tái)用于生活區(qū)供電，一臺(tái)用于施工區(qū)域供電導(dǎo)線(xiàn)截面和電箱選用見(jiàn)施工用電系統(tǒng)圖。1.3采用三相五線(xiàn)制，一切室外固定的用電設(shè)備及電箱設(shè)專(zhuān)門(mén)接地安裝。1.4室外電纜延墻、路邊采用埋地敷設(shè)，過(guò)施工便道處穿過(guò)預(yù)留槽口；多股五芯電纜分別接進(jìn)暫時(shí)辦公樓、宿舍、和食堂或施工總電箱；現(xiàn)場(chǎng)用電線(xiàn)路均采用電纜沿外圍墻及基坑周?chē)捣笤O(shè)，樓層用電線(xiàn)路采用托吊方式。進(jìn)入室內(nèi)裝修施工階段，將樓層用電回路的線(xiàn)纜引入樓

7、內(nèi)，每3層設(shè)一臺(tái)二級(jí)配電箱，并且首、頂層必需設(shè)樓層用電箱，便于樓內(nèi)施工用電。1.5在變壓器控制開(kāi)關(guān)上引出電源，經(jīng)過(guò)總配電箱后用主干線(xiàn)電纜送出?？傁渑涑鼍€(xiàn)采用放射式和樹(shù)干式相結(jié)合的配電方式三級(jí)配電表示圖如下：開(kāi)關(guān)箱分配電箱總配電箱暫時(shí)用電計(jì)算書(shū)2.1參數(shù)設(shè)置1、總箱參數(shù)用電接駁方式由變壓器接入總配電箱編號(hào)總箱 A總配電箱距接駁點(diǎn)布線(xiàn)間隔 Lo(m)5總配電箱的同期運(yùn)用系數(shù)Kx0.8分配電箱數(shù)量2導(dǎo)線(xiàn)線(xiàn)芯資料銅線(xiàn)總配電箱進(jìn)線(xiàn)敷設(shè)方式空氣明敷/架空線(xiàn)路分配電箱進(jìn)線(xiàn)敷設(shè)方式空氣明敷/架空線(xiàn)路設(shè)備電線(xiàn)敷設(shè)方式空氣明敷/架空線(xiàn)路干線(xiàn)允許電壓降%52、分箱參數(shù)3、用電設(shè)備4、臨電設(shè)備計(jì)算2.2初步設(shè)計(jì)(1)

8、JGJ46-2005總那么中以強(qiáng)迫性條文規(guī)定，施工現(xiàn)場(chǎng)必需采用三級(jí)配電系統(tǒng)、必需采用TN-S接零維護(hù)系統(tǒng)。(2)現(xiàn)場(chǎng)采用380V低壓供電，設(shè)一配電總箱，采用TN-S系統(tǒng)供電。(3)布置位置及線(xiàn)路走向參見(jiàn)暫時(shí)配電系統(tǒng)圖，采用三級(jí)配電，三級(jí)防護(hù)。(4)按照規(guī)定制定方案，接地電阻R4。(5)按照規(guī)定假設(shè)為架空線(xiàn)路那么“根據(jù)機(jī)械強(qiáng)度要求，絕緣銅線(xiàn)截面不小于10mm2，絕緣鋁線(xiàn)截面不小于16mm2。2.3用電負(fù)荷1、1號(hào)分箱設(shè)備用電負(fù)荷(1)塔式起重機(jī)Kx = 0.7，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe

9、= n P (e/)0.5 = 2.00 32.80 (0.40 / 0.25)0.5 = 82.98kWIj1 = Kx Pe / (1.732 Ue cos) = 0.70 82.98 1000 / (1.732 380 0.65) = .77APjs = Kx Pe = 0.70 82.98 = 58.08kWQjs = Pjs tg = 58.08 1.17 = 67.91kvA(2)施工升降機(jī)Kx = 0.3，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 2.00 22

10、.00 (0.40 / 0.40)0.5 = 44.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 44.00 1000 / (1.732 380 0.60) = 33.43APjs = Kx Pe = 0.30 44.00 = 13.20kWQjs = Pjs tg = 13.20 1.33 = 17.60kvA(3)自落式混凝土攪拌機(jī)Kx = 0.75，Cos = 0.85，tg = (1 - Cos2)0.5/ Cos = (1 - 0.852)0.5 / 0.85 = 0.62Pe = n P (e/)0.5 = 1.00 7.50 (0.40 / 0.

11、40)0.5 = 7.50kWIj1 = Kx Pe / (1.732 Ue cos) = 0.75 7.50 1000 / (1.732 380 0.85) = 10.05APjs = Kx Pe = 0.75 7.50 = 5.62kWQjs = Pjs tg = 5.62 0.62 = 3.49kvA(4)插入式振動(dòng)器Kx = 0.3，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 2.00 0.80 (0.40 / 0.40)0.5 = 1.60kWIj1 = Kx Pe

12、/ (1.732 Ue cos) = 0.30 1.60 1000 / (1.732 380 0.70) = 1.04APjs = Kx Pe = 0.30 1.60 = 0.48kWQjs = Pjs tg = 0.48 1.02 = 0.49kvA(5)鋼筋調(diào)直機(jī)Kx = 0.65，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.00 4.00 (0.40 / 0.40)0.5 = 4.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 4.00

13、 1000 / (1.732 380 0.70) = 5.64APjs = Kx Pe = 0.65 4.00 = 2.60kWQjs = Pjs tg = 2.60 1.02 = 2.65kvA(6)鋼筋切斷機(jī)Kx = 0.65，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.00 3.00 (0.40 / 0.40)0.5 = 3.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 3.00 1000 / (1.732 380 0.70) = 4

14、.23APjs = Kx Pe = 0.65 3.00 = 1.95kWQjs = Pjs tg = 1.95 1.02 = 1.99kvA(7)鋼筋彎曲機(jī)Kx = 0.65，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.00 3.00 (0.40 / 0.40)0.5 = 3.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 3.00 1000 / (1.732 380 0.70) = 4.23APjs = Kx Pe = 0.65 3.00

15、= 1.95kWQjs = Pjs tg = 1.95 1.02 = 1.99kvA(8)交流電焊機(jī)Kx = 0.5，Cos = 0.4，tg = (1 - Cos2)0.5/ Cos = (1 - 0.42)0.5 / 0.4 = 2.29Pe = n P (e/)0.5 = 1.00 9.00 (0.50 / 1.00)0.5 = 6.36kWIj1 = Kx Pe / (1.732 Ue cos) = 0.50 6.36 1000 / (1.732 380 0.40) = 12.09APjs = Kx Pe = 0.50 6.36 = 3.18kWQjs = Pjs tg = 3.18

16、2.29 = 7.29kvA(9)電動(dòng)抹光機(jī)Kx = 0.1，Cos = 0.45，tg = (1 - Cos2)0.5/ Cos = (1 - 0.452)0.5 / 0.45 = 1.98Pe = n P (e/)0.5 = 1.00 1.50 (0.40 / 0.40)0.5 = 1.50kWIj1 = Kx Pe / (1.732 Ue cos) = 0.10 1.50 1000 / (1.732 380 0.45) = 0.51APjs = Kx Pe = 0.10 1.50 = 0.15kWQjs = Pjs tg = 0.15 1.98 = 0.30kvA(10)木工圓鋸Kx =

17、 0.65，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 2.00 3.00 (0.40 / 0.40)0.5 = 6.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 6.00 1000 / (1.732 380 0.60) = 9.88APjs = Kx Pe = 0.65 6.00 = 3.90kWQjs = Pjs tg = 3.90 1.33 = 5.20kvA(11)真空吸水泵Kx = 0.75，Cos = 0.8，tg = (1 - C

18、os2)0.5/ Cos = (1 - 0.82)0.5 / 0.8 = 0.75Pe = n P (e/)0.5 = 2.00 4.00 (0.40 / 0.40)0.5 = 8.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.75 8.00 1000 / (1.732 380 0.80) = 11.40APjs = Kx Pe = 0.75 8.00 = 6.00kWQjs = Pjs tg = 6.00 0.75 = 4.50kvA(12)高壓鈉燈Kx = 0.6，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5

19、 / 0.7 = 1.02Pe = n P (e/)0.5 = 2.00 1.00 (0.40 / 0.40)0.5 = 2.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.60 2.00 1000 / (1.732 380 0.70) = 2.60APjs = Kx Pe = 0.60 2.00 = 1.20kWQjs = Pjs tg = 1.20 1.02 = 1.22kvA(13)碘鎢燈Kx = 0.6，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5

20、= 10.00 0.50 (0.40 / 0.40)0.5 = 5.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.60 5.00 1000 / (1.732 380 0.60) = 7.60APjs = Kx Pe = 0.60 5.00 = 3.00kWQjs = Pjs tg = 3.00 1.33 = 4.00kvA(14)套絲切管機(jī)Kx = 0.2，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 1.00 (0.40 / 0.40

21、)0.5 = 1.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 1.00 1000 / (1.732 380 0.65) = 0.47APjs = Kx Pe = 0.20 1.00 = 0.20kWQjs = Pjs tg = 0.20 1.17 = 0.23kvA(15)1號(hào)分箱計(jì)算負(fù)荷用電設(shè)備同期運(yùn)用系數(shù)Kx=0.80；Ijs = Kx Pe / (1.732 Ue Cos) = 0.80 175.94 1000 / (1.732 380 0.75) = 285.15A；同時(shí)要求分箱用電負(fù)荷不得小于分箱下用電設(shè)備最大計(jì)算負(fù)荷的1.1倍，故：Ijs = m

22、ax285.15,1.1max(.77,33.43,10.05,1.04,5.64,4.23,4.23,12.09,0.51,9.88,11.40,2.60,7.60,0.47,) = 285.15A2、2號(hào)分箱設(shè)備用電負(fù)荷(1)塔式起重機(jī)Kx = 0.7，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 27.50 (0.40 / 0.25)0.5 = 34.79kWIj1 = Kx Pe / (1.732 Ue cos) = 0.70 34.79 1000 / (

23、1.732 380 0.65) = 56.92APjs = Kx Pe = 0.70 34.79 = 24.35kWQjs = Pjs tg = 24.35 1.17 = 28.47kvA(2)載貨電梯Kx = 0.3，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 4.00 7.50 (0.40 / 0.40)0.5 = 30.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 30.00 1000 / (1.732 380 0.60) = 22.79

24、APjs = Kx Pe = 0.30 30.00 = 9.00kWQjs = Pjs tg = 9.00 1.33 = 12.00kvA(3)自落式混凝土攪拌機(jī)Kx = 0.75，Cos = 0.85，tg = (1 - Cos2)0.5/ Cos = (1 - 0.852)0.5 / 0.85 = 0.62Pe = n P (e/)0.5 = 2.00 5.50 (0.40 / 0.40)0.5 = 11.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.75 11.00 1000 / (1.732 380 0.85) = 14.75APjs = Kx Pe = 0

25、.75 11.00 = 8.25kWQjs = Pjs tg = 8.25 0.62 = 5.11kvA(4)插入式振動(dòng)器Kx = 0.3，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 2.00 0.80 (0.40 / 0.40)0.5 = 1.60kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 1.60 1000 / (1.732 380 0.70) = 1.04APjs = Kx Pe = 0.30 1.60 = 0.48kWQjs = Pjs

26、tg = 0.48 1.02 = 0.49kvA(5)鋼筋調(diào)直機(jī)Kx = 0.65，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.00 4.00 (0.40 / 0.40)0.5 = 4.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 4.00 1000 / (1.732 380 0.70) = 5.64APjs = Kx Pe = 0.65 4.00 = 2.60kWQjs = Pjs tg = 2.60 1.02 = 2.65kvA(6)鋼

27、筋切斷機(jī)Kx = 0.65，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.00 7.00 (0.40 / 0.40)0.5 = 7.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 7.00 1000 / (1.732 380 0.70) = 9.88APjs = Kx Pe = 0.65 7.00 = 4.55kWQjs = Pjs tg = 4.55 1.02 = 4.64kvA(7)鋼筋彎曲機(jī)Kx = 0.65，Cos = 0.7，tg =

28、 (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.00 3.00 (0.40 / 0.40)0.5 = 3.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 3.00 1000 / (1.732 380 0.70) = 4.23APjs = Kx Pe = 0.65 3.00 = 1.95kWQjs = Pjs tg = 1.95 1.02 = 1.99kvA(8)交流電焊機(jī)Kx = 0.5，Cos = 0.4，tg = (1 - Cos2)0.5/ Cos = (1 - 0.

29、42)0.5 / 0.4 = 2.29Pe = n P (e/)0.5 = 1.00 9.00 (0.50 / 1.00)0.5 = 6.36kWIj1 = Kx Pe / (1.732 Ue cos) = 0.50 6.36 1000 / (1.732 380 0.40) = 12.09APjs = Kx Pe = 0.50 6.36 = 3.18kWQjs = Pjs tg = 3.18 2.29 = 7.29kvA(9)木工圓鋸Kx = 0.65，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P

30、(e/)0.5 = 2.00 3.00 (0.40 / 0.40)0.5 = 6.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 6.00 1000 / (1.732 380 0.60) = 9.88APjs = Kx Pe = 0.65 6.00 = 3.90kWQjs = Pjs tg = 3.90 1.33 = 5.20kvA(10)真空吸水泵Kx = 0.75，Cos = 0.8，tg = (1 - Cos2)0.5/ Cos = (1 - 0.82)0.5 / 0.8 = 0.75Pe = n P (e/)0.5 = 2.00 4.00 (0.40 /

31、 0.40)0.5 = 8.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.75 8.00 1000 / (1.732 380 0.80) = 11.40APjs = Kx Pe = 0.75 8.00 = 6.00kWQjs = Pjs tg = 6.00 0.75 = 4.50kvA(11)高壓鈉燈Kx = 0.6，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.00 1.00 (0.40 / 0.40)0.5 = 1.00kWIj1 = Kx P

32、e / (1.732 Ue cos) = 0.60 1.00 1000 / (1.732 380 0.70) = 1.30APjs = Kx Pe = 0.60 1.00 = 0.60kWQjs = Pjs tg = 0.60 1.02 = 0.61kvA(12)碘鎢燈Kx = 0.6，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 10.00 0.50 (0.40 / 0.40)0.5 = 5.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.60 5.0

33、0 1000 / (1.732 380 0.60) = 7.60APjs = Kx Pe = 0.60 5.00 = 3.00kWQjs = Pjs tg = 3.00 1.33 = 4.00kvA(13)2號(hào)分箱計(jì)算負(fù)荷用電設(shè)備同期運(yùn)用系數(shù)Kx=0.80；Ijs = Kx Pe / (1.732 Ue Cos) = 0.80 117.75 1000 / (1.732 380 0.75) = 190.83A；同時(shí)要求分箱用電負(fù)荷不得小于分箱下用電設(shè)備最大計(jì)算負(fù)荷的1.1倍，故：Ijs = max190.83,1.1max(56.92,22.79,14.75,1.04,5.64,9.88,4.2

34、3,12.09,9.88,11.40,1.30,7.60,) = 190.83A3、總箱計(jì)算負(fù)荷總的計(jì)算負(fù)荷計(jì)算，總配電箱用電設(shè)備同期運(yùn)用系數(shù)取Kx = 0.80總的有功功率： Pjs = KxPjs = 0.80 169.38 = .51kW總的無(wú)功功率： Qjs = KxQjs = 0.80 195.82 = 156.66kvar總的視在功率： Sjs = (Pjs2 + Qjs2)0.5 = (.51 .51 + 156.66 156.66)0.5 = 207.13kVA總的計(jì)算電流計(jì)算：Ijs = Sjs 1000 /(1.732 Ue) = 207.13 1000 / (1.732

35、380) = 314.71A同時(shí)要求總箱下計(jì)算負(fù)荷不得小于分箱計(jì)算負(fù)荷的1.1倍，故：Ijs = max314.71,1.1max(285.15,190.83,) = 314.71A2.4導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇1、1號(hào)干線(xiàn)上導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇1.1、塔式起重機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知塔式起重機(jī)計(jì)算電流為：Ij1 = KxPe/(1.732Uecos) = .77A(1)選擇YJV-0.6/1kV-325+216，平安載流量為A.77A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR3-400/150，其熔體額定電流為Ir = 150A .77A，漏電維護(hù)器為DZL25-200/16

36、0。1.2、施工升降機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知施工升降機(jī)計(jì)算電流為：Ij2 = KxPe/(1.732Uecos) = 33.43A(1)選擇VV22-310+16，平安載流量為64A33.43A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR6-160/35，其熔體額定電流為Ir = 35A 33.43A，漏電維護(hù)器為3KM1L-63/40。1.3、自落式混凝土攪拌機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知自落式混凝土攪拌機(jī)計(jì)算電流為：Ij3 = KxPe/(1.732Uecos) = 10.05A(1)選擇VV22-310+16，平安載流量為64A10.05A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為H

37、H3-15/15，其熔體額定電流為Ir = 15A 10.05A，漏電維護(hù)器為DZ15LE-63/15。1.4、插入式振動(dòng)器導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知插入式振動(dòng)器計(jì)算電流為：Ij4 = KxPe/(1.732Uecos) = 1.04A(1)選擇VV22-310+16，平安載流量為64A1.04A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/4，其熔體額定電流為Ir = 4A 1.04A，漏電維護(hù)器為DZ15LE-40/6。1.5、鋼筋調(diào)直機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知鋼筋調(diào)直機(jī)計(jì)算電流為：Ij5 = KxPe/(1.732Uecos) = 5.64A(1)選擇VV2

38、2-310+16，平安載流量為64A5.64A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR6-160/6，其熔體額定電流為Ir = 6A 5.64A，漏電維護(hù)器為DZ15LE-40/6。1.6、鋼筋切斷機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知鋼筋切斷機(jī)計(jì)算電流為：Ij6 = KxPe/(1.732Uecos) = 4.23A(1)選擇VV22-310+16，平安載流量為64A4.23A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR6-160/6，其熔體額定電流為Ir = 6A 4.23A，漏電維護(hù)器為DZ15LE-40/6。1.7、鋼筋彎曲機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知鋼筋彎曲機(jī)計(jì)算電流為：Ij7 = K

39、xPe/(1.732Uecos) = 4.23A(1)選擇VV22-310+16，平安載流量為64A4.23A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR6-160/6，其熔體額定電流為Ir = 6A 4.23A，漏電維護(hù)器為DZ15LE-40/6。1.8、交流電焊機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知交流電焊機(jī)計(jì)算電流為：Ij8 = KxPe/(1.732Uecos) = 12.09A(1)選擇VV22-310+16，平安載流量為64A12.09A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HH3-15/15，其熔體額定電流為Ir = 15A 12.09A，漏電維護(hù)器為DZ15LE-63/15。1.9、電動(dòng)抹光機(jī)導(dǎo)線(xiàn)

40、及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知電動(dòng)抹光機(jī)計(jì)算電流為：Ij9 = KxPe/(1.732Uecos) = 0.51A(1)選擇VV22-310+16，平安載流量為64A0.51A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/4，其熔體額定電流為Ir = 4A 0.51A，漏電維護(hù)器為DZ15LE-40/6。1.10、木工圓鋸導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知木工圓鋸計(jì)算電流為：Ij10 = KxPe/(1.732Uecos) = 9.88A(1)選擇VV22-310+16，平安載流量為64A9.88A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/10，其熔體額定電流為Ir = 10A 9

41、.88A，漏電維護(hù)器為DZ15LE-63/10。1.11、真空吸水泵導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知真空吸水泵計(jì)算電流為：Ij11 = KxPe/(1.732Uecos) = 11.40A(1)選擇VV22-310+16，平安載流量為64A11.40A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HH3-15/15，其熔體額定電流為Ir = 15A 11.40A，漏電維護(hù)器為DZ15LE-63/15。1.12、高壓鈉燈導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知高壓鈉燈計(jì)算電流為：Ij12 = KxPe/(1.732Uecos) = 2.60A(1)選擇VV22-310+16，平安載流量為64A2.60A

42、。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/4，其熔體額定電流為Ir = 4A 2.60A，漏電維護(hù)器為DZ15LE-40/6。1.13、碘鎢燈導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知碘鎢燈計(jì)算電流為：Ij13 = KxPe/(1.732Uecos) = 7.60A(1)選擇VV22-310+16，平安載流量為64A7.60A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/10，其熔體額定電流為Ir = 10A 7.60A，漏電維護(hù)器為DZ15LE-63/10。1.14、套絲切管機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知套絲切管機(jī)計(jì)算電流為：Ij14 = KxPe/(1.732Uecos) = 0

43、.47A(1)選擇VV22-310+16，平安載流量為64A0.47A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/4，其熔體額定電流為Ir = 4A 0.47A，漏電維護(hù)器為DZ15LE-40/6。1.15、分箱B1進(jìn)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知1號(hào)分箱計(jì)算電流為：Ijs = 285.15A(1)選擇電纜YJV-0.6/1kV-395+250，平安載流量為286A 285.15A，電纜截面面積為95mm2。按照允許電壓降為5%，導(dǎo)線(xiàn)截面為：S1 = Kx1 Pe L1 /(C 5 )= 0.80 175.94 50.00 / (77.00 5.00) = 18.28mm2 95mm2

44、(2) 選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-400/300，其熔體額定電流為Ir = 300A 285.15A，漏電維護(hù)器為DZ20L-630/315。符合要求2、2號(hào)干線(xiàn)上導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇2.1、塔式起重機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知塔式起重機(jī)計(jì)算電流為：Ij1 = KxPe/(1.732Uecos) = 56.92A(1)選擇VV22-310+16，平安載流量為64A56.92A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR3-100/60，其熔體額定電流為Ir = 60A 56.92A，漏電維護(hù)器為DZ47LE-60/60。2.2、載貨電梯導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知載貨電梯

45、計(jì)算電流為：Ij2 = KxPe/(1.732Uecos) = 22.79A(1)選擇VV22-310+16，平安載流量為64A22.79A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR6-160/25，其熔體額定電流為Ir = 25A 22.79A，漏電維護(hù)器為3KM1L-63/25。2.3、自落式混凝土攪拌機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知自落式混凝土攪拌機(jī)計(jì)算電流為：Ij3 = KxPe/(1.732Uecos) = 14.75A(1)選擇VV22-310+16，平安載流量為64A14.75A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HH3-15/15，其熔體額定電流為Ir = 15A 14.75A，漏電維護(hù)

46、器為DZ15LE-63/15。2.4、插入式振動(dòng)器導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知插入式振動(dòng)器計(jì)算電流為：Ij4 = KxPe/(1.732Uecos) = 1.04A(1)選擇VV22-310+16，平安載流量為64A1.04A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/4，其熔體額定電流為Ir = 4A 1.04A，漏電維護(hù)器為DZ15LE-40/6。2.5、鋼筋調(diào)直機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知鋼筋調(diào)直機(jī)計(jì)算電流為：Ij5 = KxPe/(1.732Uecos) = 5.64A(1)選擇VV22-310+16，平安載流量為64A5.64A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為H

47、R6-160/6，其熔體額定電流為Ir = 6A 5.64A，漏電維護(hù)器為DZ15LE-40/6。2.6、鋼筋切斷機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知鋼筋切斷機(jī)計(jì)算電流為：Ij6 = KxPe/(1.732Uecos) = 9.88A(1)選擇VV22-310+16，平安載流量為64A9.88A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/10，其熔體額定電流為Ir = 10A 9.88A，漏電維護(hù)器為DZ15LE-63/10。2.7、鋼筋彎曲機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知鋼筋彎曲機(jī)計(jì)算電流為：Ij7 = KxPe/(1.732Uecos) = 4.23A(1)選擇VV22-

48、310+16，平安載流量為64A4.23A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR6-160/6，其熔體額定電流為Ir = 6A 4.23A，漏電維護(hù)器為DZ15LE-40/6。2.8、交流電焊機(jī)導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知交流電焊機(jī)計(jì)算電流為：Ij8 = KxPe/(1.732Uecos) = 12.09A(1)選擇VV22-310+16，平安載流量為64A12.09A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HH3-15/15，其熔體額定電流為Ir = 15A 12.09A，漏電維護(hù)器為DZ15LE-63/15。2.9、木工圓鋸導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知木工圓鋸計(jì)算電流為：Ij9 =

49、KxPe/(1.732Uecos) = 9.88A(1)選擇VV22-310+16，平安載流量為64A9.88A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/10，其熔體額定電流為Ir = 10A 9.88A，漏電維護(hù)器為DZ15LE-63/10。2.10、真空吸水泵導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知真空吸水泵計(jì)算電流為：Ij10 = KxPe/(1.732Uecos) = 11.40A(1)選擇VV22-310+16，平安載流量為64A11.40A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HH3-15/15，其熔體額定電流為Ir = 15A 11.40A，漏電維護(hù)器為DZ15LE-63/15。2.11、

50、高壓鈉燈導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知高壓鈉燈計(jì)算電流為：Ij11 = KxPe/(1.732Uecos) = 1.30A(1)選擇VV22-310+16，平安載流量為64A1.30A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/4，其熔體額定電流為Ir = 4A 1.30A，漏電維護(hù)器為DZ15LE-40/6。2.12、碘鎢燈導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知碘鎢燈計(jì)算電流為：Ij12 = KxPe/(1.732Uecos) = 7.60A(1)選擇VV22-310+16，平安載流量為64A7.60A。(2)選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HR5-100/10，其熔體額定電流為Ir = 1

51、0A 7.60A，漏電維護(hù)器為DZ15LE-63/10。2.13、分箱B2進(jìn)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)計(jì)算負(fù)荷，知2號(hào)分箱計(jì)算電流為：Ijs = 190.83A(1)選擇電纜YJV22-0.6/1kV-350+125，平安載流量為192A 190.83A，電纜截面面積為50mm2。按照允許電壓降為5%，導(dǎo)線(xiàn)截面為：S1 = Kx1 Pe L1 /(C 5 )= 0.80 117.75 50.00 / (77.00 5.00) = 12.23mm2 50mm2(2) 選擇開(kāi)關(guān)箱內(nèi)開(kāi)關(guān)為HH4-300/200，其熔體額定電流為Ir = 200A 190.83A，漏電維護(hù)器為DZ20L-250/2

52、00。符合要求2.5總箱的進(jìn)線(xiàn)、開(kāi)關(guān)箱內(nèi)電氣設(shè)備及變壓器選擇1、總箱的進(jìn)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇根據(jù)前面計(jì)算的總箱計(jì)算負(fù)荷，知：Ijs = 314.71A。(1)選擇電纜YJV22-0.6/1kV-3120+270，平安載流量為318A 314.71A，電纜截面面積為120mm2。按照允許電壓降為5%，導(dǎo)線(xiàn)截面為：S0 = KxPeL0/(C5) = 0.80 169.38 5.00 / (77.00 5.00) = 1.76mm2 120mm2選擇總進(jìn)線(xiàn)開(kāi)關(guān)：HR5-630/315，其熔體額定電流為Ir = 315A。選擇總箱中漏電維護(hù)器：DZ20L-630/315。符合要求2、變壓器選擇有

53、功功率損耗PB = 0.02 Sjs = 0.02 207.13 = 4.14kW無(wú)功功率損耗QB = 0.08 Sjs = 0.08 207.13 = 16.57kvar變壓器固有損耗SB = 17.08kV.A于是，可選變壓器的容量最小應(yīng)為：SB = Sjs+SB = 207.13 + 17.08 = 224.21kV.A。、暫時(shí)用電平安措施1.組織機(jī)構(gòu)工程經(jīng)理：仇德華 技術(shù)擔(dān)任人：許益明平安員：季海峰專(zhuān)職電工：毛錢(qián)架子工機(jī)修工 水電 工 油漆組木工組泥工組鋼筋組星火智谷挪動(dòng)互聯(lián)網(wǎng)產(chǎn)業(yè)園2.防雷與接地安裝設(shè)計(jì)及用電平安技術(shù)措施2.1本工程防雷與接地安裝采用中性點(diǎn)直接接地的接地維護(hù)系統(tǒng)，應(yīng)此

54、施工現(xiàn)場(chǎng)采用三相五線(xiàn)制(TNS)，任務(wù)零線(xiàn)和維護(hù)零線(xiàn)分開(kāi)設(shè)置的接零維護(hù)系統(tǒng)。2.2接地零線(xiàn)單獨(dú)敷設(shè)，每根2.5m長(zhǎng)，兩根一組，在維護(hù)地線(xiàn)上不得裝設(shè)開(kāi)關(guān)或熔斷器。2.3維護(hù)地線(xiàn)的截面應(yīng)不小于任務(wù)零線(xiàn)的截面。2.4與電氣設(shè)備相銜接的維護(hù)地線(xiàn)截面應(yīng)不小于10mm2的絕緣多股銅線(xiàn)。維護(hù)地線(xiàn)的一致標(biāo)致為綠/黃雙色線(xiàn)。在任何情況下不準(zhǔn)運(yùn)用綠/黃雙色線(xiàn)作負(fù)荷線(xiàn)。2.5正常情況下，電機(jī)、電器、照明器具、手持電開(kāi)工具的金屬外殼，電氣設(shè)備傳動(dòng)安裝的金屬部件，配電屏的金屬框架，室內(nèi)外配電配備的金屬框架及接近帶電部分的金屬?lài)鷻诤徒饘匍T(mén)，起重機(jī)械等電氣設(shè)不帶電的外露導(dǎo)電部分應(yīng)做維護(hù)接地。2.6電氣設(shè)備應(yīng)采用公用芯線(xiàn)作維

55、護(hù)接地，此芯線(xiàn)嚴(yán)禁經(jīng)過(guò)任務(wù)電流。2.7手持式用電設(shè)備的維護(hù)地線(xiàn)，應(yīng)在絕緣良好的多股銅線(xiàn)橡皮電纜內(nèi)，其截面不得小于10mm2,其芯線(xiàn)顏色為綠/黃雙色。2.8配電室須做到四防一通，配電屏上的電器應(yīng)標(biāo)明用途，室內(nèi)應(yīng)備有絕緣腳墊、絕緣手柄、絕緣手套、絕緣滅火器和干砂箱，停電檢修牌，事故照明燈。2.9電工必需持證上崗，無(wú)證不得恣意接線(xiàn)。2.10電工須按規(guī)定穿戴好勞防用品，運(yùn)用絕緣工具，除日常檢查維修外，每月應(yīng)系統(tǒng)地進(jìn)展檢查和維修一次。在檢查維修時(shí)須將其一級(jí)相應(yīng)的電源開(kāi)關(guān)分閘斷電，并懸掛停電標(biāo)志牌。2.11電纜埋地深度應(yīng)不小于0.6m, 并應(yīng)在電纜上下各均勻鋪設(shè)不小于50mm厚的細(xì)沙，然后覆蓋磚等硬質(zhì)維護(hù)層。2.12電纜架空敖設(shè)時(shí)，應(yīng)沿墻壁或電桿設(shè)置，并用絕緣子固定，嚴(yán)禁用金屬裸線(xiàn)作綁線(xiàn)，固定點(diǎn)間距應(yīng)保證橡皮電纜能接受自重所帶來(lái)的荷重。橡皮電纜的最大弧垂距地面不得小于2.5m。2.13電纜接頭結(jié)實(shí)可靠，并應(yīng)做絕緣包扎，堅(jiān)持絕緣強(qiáng)度，不得接受張力。2.14配電箱與開(kāi)關(guān)箱應(yīng)采用鐵板或優(yōu)質(zhì)絕緣資料制造，不宜木板制造。2.15配電箱、開(kāi)關(guān)箱周?chē)鷳?yīng)有足夠二人同時(shí)任務(wù)的空間和通道，不得堆放任何妨礙操作，維