濱湖名邸臨時(shí)用電施工方案

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1、本工程按照施工現(xiàn)場(chǎng)實(shí)際情況及用電安全考慮，施工用電采用三相五線制“TN-S”系統(tǒng)進(jìn)行配電，現(xiàn)場(chǎng)設(shè)五只總配電箱，九只動(dòng)力分配電箱及九只照明分配電箱，施工機(jī)具均單獨(dú)設(shè)置專用開關(guān)箱，電纜線采用埋地設(shè)置（部分采用架空設(shè)置），各臨時(shí)用電安裝后須經(jīng)公司安全負(fù)責(zé)人和編制方案的人員參加驗(yàn)收，驗(yàn)收合格后方可使用。設(shè)計(jì)步驟如下:一、現(xiàn)場(chǎng)情況施工現(xiàn)場(chǎng)臨時(shí)用電平面布置圖，見(附圖)。二、負(fù)荷計(jì)算根據(jù)臨時(shí)電源的位置及用電設(shè)備分布和現(xiàn)場(chǎng)環(huán)境條件等確定總配電箱、分配電箱和開關(guān)箱的位置。施工現(xiàn)場(chǎng)機(jī)械設(shè)備匯總表序號(hào)設(shè)備名稱臺(tái)數(shù)單機(jī)功率KW小計(jì)功率KW規(guī)格型號(hào)備注1塔吊66

2、0360QTZ63開工進(jìn)場(chǎng)2施工電梯51050開工進(jìn)場(chǎng)3物料提升機(jī)27.515SSE100開工進(jìn)場(chǎng)4砼攪拌機(jī)95.549.5TZ350開工進(jìn)場(chǎng)5插入式振動(dòng)機(jī)201.530ZN-50開工進(jìn)場(chǎng)6平臺(tái)振動(dòng)機(jī)91.19.9ZBP-50開工進(jìn)場(chǎng)7木工圓鋸81.512HB-50開工進(jìn)場(chǎng)8鋼筋切斷機(jī)43.514GQ-40開工進(jìn)場(chǎng)9鋼筋彎曲機(jī)42.28.8G26-40開工進(jìn)場(chǎng)10對(duì)焊機(jī)490360UN1-100開工進(jìn)場(chǎng)電焊機(jī)410.542BXTF-3開工進(jìn)場(chǎng)生活照明500.15總負(fù)荷計(jì)算∑Pe=(360+50+15+49.5+30+9.9+12+14+8

3、.8+360+42+5)=956.2KW(60+60+75+33+60+22+3+7+4.4+180+21+6)=531.4則：Pj=0.6×956.2531.4=573.72318.8kwQj=Pj·tan∮=573.72318.8×1.17KVAR≈671373KVARSj=√Pj2+Qj2=√573.722+6712=882.83490.6KVASj882.83Ij==A≈1341745.6AUe√30.38×√3三、1#配電系統(tǒng)計(jì)算1#總配電箱機(jī)械設(shè)備匯總表序號(hào)設(shè)備名稱臺(tái)數(shù)單機(jī)功率KW小計(jì)功率KW規(guī)格型號(hào)備注1塔吊360180Q

4、TZ63開工進(jìn)場(chǎng)2施工電梯31030開工進(jìn)場(chǎng)3砼攪拌機(jī)35.516.5TZ350開工進(jìn)場(chǎng)4插入式振動(dòng)機(jī)61.59ZN-50開工進(jìn)場(chǎng)5平臺(tái)振動(dòng)機(jī)31.13.3ZBP-50開工進(jìn)場(chǎng)6木工圓鋸21.59HB-50開工進(jìn)場(chǎng)7鋼筋切斷機(jī)13.53.5GQ-40開工進(jìn)場(chǎng)8鋼筋彎曲機(jī)12.22.2G26-40開工進(jìn)場(chǎng)9對(duì)焊機(jī)19090UN1-100開工進(jìn)場(chǎng)10電焊機(jī)110.510.5BXTF-3開工進(jìn)場(chǎng)生活照明300.13總負(fù)荷計(jì)算∑Pe=(180+30+16.5+9+3.3+9+3.5+2.2+90+10.5+3)=357KW(60+45+16.5+

5、30+11+1.5+3.5+2.2+90+10.5+6)=276.2則：Pj=0.6×357276.2=214.2171kwQj=Pj·tan∮=214.2171×1.17KVAR≈251200KVARSj=√Pj2+Qj2=√214.22+2512=330263KVASj330Ij==A≈501399.8AUe√30.38×√31#總配電箱→1-1分配電箱的計(jì)算負(fù)荷Pj1=(3.5+2.2+1.5)=7.2KW(取cos∮=0.85,則tan∮=0.62)Qj1=Pj1·tan∮=7.2×0.62KVAR≈4.5KVARSj1=√Pj

6、12+Qj12=√7.22+4.52=8.5KVASj8.5Ij1==A≈12.9AUe√30.38×√31#總配電箱→1-2#分配電箱的計(jì)算負(fù)荷Pj2=(7.5+7.5+5.5+7*1.5+4*1.1)=35.4KWQj2=Pj2·tan∮=35.4×0.62KVAR≈22KVARSj2=√Pj22+Qj22=√35.42+222=41.7KVASj241.7Ij2==≈63AUe√30.38×√31#總配電箱→1-3#分配電箱的計(jì)算負(fù)荷Pj2=(7.5+7.5+5.5+7*1.5+4*1.1)=35.4KWQj2=Pj2·tan∮

7、=35.4×0.62KVAR≈22KVARSj2=√Pj22+Qj22=√35.42+222=41.7KVASj241.7Ij2==≈63AUe√30.38×√31#總配電箱→1-4#分配電箱的計(jì)算負(fù)荷Pj2=(7.5+7.5+5.5+6*1.5+3*1.1)=32.8KWQj2=Pj2·tan∮=32.8×0.62KVAR≈20.36KVARSj2=√Pj22+Qj22=√32.82+20.362=38.6KVASj238.6Ij2==≈58.6AUe√30.38×√31#總配電箱→對(duì)焊機(jī)的計(jì)算負(fù)荷Pj3=90KWQj3=90×0.

8、62KVAR≈55.8KVAR(取cos∮=0.85,tan∮=0.62)Sj3=√902+55.82≈105.9KVA105.9Ij3=≈160AUe√31#總配電箱→塔吊的計(jì)算負(fù)荷Pj3=