臨時(shí)用電施工方案管樁修改(存儲(chǔ)版)
【正文】 算電流Kx = ，Cosφ = Ijs = KxPe /(Ue Cosφ) = 6/() = 該分箱下最大組線電流Ijs=兩者中取大值Ijs=ii)選擇導(dǎo)線空氣明敷/架空線路時(shí)其安全載流量為57A。室外明敷銅芯導(dǎo)線截面為25mm2，滿(mǎn)足要求。iii)選擇電氣設(shè)備選擇開(kāi)關(guān)箱內(nèi)隔離開(kāi)關(guān)為DZ10600/3 ，其脫扣器整定電流值為Ir = 480A，熔斷器RT050其最大熔體電流為 IRD = 50A，漏電保護(hù)器為 ZBM1800。室外架空銅芯導(dǎo)線按機(jī)械強(qiáng)度的最小截面為10mm2，滿(mǎn)足要求。分配箱至開(kāi)關(guān)箱，開(kāi)關(guān)箱至用電設(shè)備的導(dǎo)線敷設(shè)采用銅橡皮絕緣導(dǎo)線空氣明敷，室外架空銅導(dǎo)線按機(jī)械強(qiáng)度的最小截面為6mm2。 《建筑工程施工現(xiàn)場(chǎng)供電安全規(guī)范》GB50194—93中國(guó)建筑工業(yè)出版社。2各機(jī)電設(shè)備操作人員必須穿絕緣膠鞋，減少漏電時(shí)對(duì)人身傷害。1配電器、開(kāi)關(guān)箱內(nèi)的電器必須可靠完好，不準(zhǔn)使用破損、不合格的電器。施工現(xiàn)場(chǎng)的電力系統(tǒng)嚴(yán)禁利用大地作相線或零線。樁架進(jìn)線榻纜均要求采用三相五線制。均勝總部基地B區(qū)地下室樁基施工臨時(shí)用電專(zhuān)項(xiàng)方案編制人： 職務(wù)（稱(chēng)） 審核人： 職務(wù)（稱(chēng)） 批準(zhǔn)人： 職務(wù)（稱(chēng)） 批準(zhǔn)部門(mén)： 編制日期： 目 錄一、 工程概況二、 編制依據(jù)三、 現(xiàn)場(chǎng)供電方式四、 安全用電具體措施五、 主要施工機(jī)械設(shè)備表六、 施工用電計(jì)算七、 臨時(shí)用電平面布置圖八、 配電系統(tǒng)圖一、工程概況均勝總部基地B區(qū)地下室樁基工程位于寧波國(guó)家高新區(qū)，北為場(chǎng)帆路，東為楊木碶河和公園，南為恒達(dá)高商務(wù)大廈工地，西為規(guī)劃道路。作業(yè)時(shí)正確穿戴勞動(dòng)防護(hù)用品，使用良好的絕緣工具。電纜接頭處需要架空，嚴(yán)禁放在有積水地方，下雨天各種電器設(shè)備切要加蓋。1配電箱、開(kāi)關(guān)箱應(yīng)裝設(shè)在干燥、通風(fēng)及常溫場(chǎng)所，不得裝設(shè)在易受外來(lái)固物物撞擊，強(qiáng)烈振動(dòng)，液體侵濺及熱源烘烤的場(chǎng)所。2照明器具和器材的質(zhì)量均應(yīng)符合有關(guān)標(biāo)準(zhǔn)，不得使用絕緣老化或破損的器具和器材。建筑工程施工臨時(shí)用電專(zhuān)項(xiàng)方案一、編制依據(jù) 《低壓配電設(shè)計(jì)規(guī)范》GB50054—95中國(guó)建筑工業(yè)出版社。確定用電負(fù)荷:(1)、多功能樁架Kx = Cosφ = tgφ = Pjs = 120 = 72 kWQjs = Pjs tgφ=72 = 54 kvar(2)、螺旋式鉆孔機(jī)Kx = Cosφ = tgφ = Pjs = 22 = kWQjs = Pjs tgφ= = kvar(3)、螺旋式鉆孔機(jī)Kx = Cosφ = tgφ = Pjs = 22 = kWQjs = Pjs tgφ= = kvar(4)、交流電焊機(jī)Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量Pn = Sn Cosφ = 13=Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = kWPjs = KxPe = = Qjs = Pjs tgφ= = kvar(5)、真空吸水泵Kx = Cosφ = tgφ = Pjs = 2 = kWQjs = Pjs tgφ= = kvar(6)、交流電焊機(jī)Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量Pn = Sn Cosφ = 13=Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = kWPjs = KxPe = = Qjs = Pjs tgφ= = kvar(7)、交流電焊機(jī)Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量Pn = Sn Cosφ = 13=Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = kWPjs = KxPe = = Qjs = Pjs tgφ= = kvar(8)、交流電焊機(jī)Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量Pn = Sn Cosφ = 13=Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = kWPjs = KxPe = = Qjs = Pjs tgφ= = kvar(9)、交流電焊機(jī)Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量Pn = Sn Cosφ = 13=Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = kWPjs = KxPe = = Qjs = Pjs tgφ= = kvar(10)、交流電焊機(jī)Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量Pn = Sn Cosφ = 13=Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = kWPjs = KxPe = = Qjs = Pjs tgφ= = kvar(11)、交流電焊機(jī)Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量Pn = Sn Cosφ = 13=Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = kWPjs = KxPe = = Qjs = Pjs tgφ= = kvar(12)、交流電焊機(jī)Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量Pn = Sn Cosφ = 13=Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = kWPjs = KxPe = = Qjs = Pjs tgφ= = kvar(13)、交流電焊機(jī)Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量Pn = Sn Cosφ = 13=Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = kWPjs = KxPe = = Qjs = Pjs tgφ= = kvar(14)、真空吸水泵Kx = Cosφ = tgφ = Pjs = 2 = kWQjs = Pjs tgφ= = kvar(15)、真空吸水泵Kx = Cosφ = tgφ = Pjs = 2 = kWQjs =
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