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幕墻工程臨時(shí)用電專項(xiàng)方案-全文預(yù)覽

  

【正文】 Pjs = Kx Pe = 96 = Qjs = Pjs tgφ = = 180kvar (2) 空氣壓縮機(jī) (4臺(tái) ) Kx = ,Cosφ = ,tgφ = Pjs = Kx Pe = 12 =9kW Qjs = Pjs tgφ =9 = (3) 型材切割機(jī) (4臺(tái) ) Kx = ,Cosφ = ,tgφ = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (4) 電錘 (18臺(tái) ) Kx = ,Cosφ = ,tgφ = Pjs = Kx Pe = = Qjs = Pjs tgφ = = 10kvar (5) 砂輪切割機(jī) (4臺(tái) ) Kx = ,Cosφ = ,tgφ = Pjs = Kx Pe = 6= Qjs = Pjs tgφ = = (6) 手電鉆 (20臺(tái) ) Kx = ,Cosφ =,tgφ = Pjs = Kx Pe = 7= Qjs = Pjs tgφ = = 亞盛建設(shè)集團(tuán)有限公司 蜀山區(qū)自主創(chuàng)新產(chǎn)業(yè)基地三期(南區(qū)) C、 D 座幕墻工程 5 (7) 電動(dòng)螺絲槍 (12臺(tái) ) Kx = ,Cosφ = ,tgφ = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (8) 臺(tái)鉆 (4臺(tái) ) Kx = ,Cosφ = ,tgφ = Pjs = Kx Pe = 6 = Qjs = Pjs tgφ = = 6kvar (9) 電動(dòng)吊籃 (60臺(tái) ) Kx = ,Cosφ = ,tgφ = Pjs = Kx Pe = 180=108kW Qjs = Pjs tgφ =108 = (10)照明 Kx2 = ,Cosφ = ,tgφ = Pjs = Kx2 Pe = 10 =8kW Qjs = Pjs tgφ = 8 = 6kvar 注: Kx:表示動(dòng)力用電系數(shù)( 10 臺(tái)內(nèi): , 1030 臺(tái): , 30以上: ); Kx2:表示室內(nèi)照明用電系數(shù): ; 總箱同期系數(shù)取 Kx= 總的有功功率 Pjs = KxΣ Pjs = kW = 亞盛建設(shè)集團(tuán)有限公司 蜀山區(qū)自主創(chuàng)新產(chǎn)業(yè)基地三期(南區(qū)) C、 D 座幕墻工程 6 總的無(wú)功功率 Qjs = KxΣ Qjs = = 總的視在功率 Sjs = (Pjs2 + Qjs2)1/2 = (+)1/2 = 總電流計(jì)算 Ijs = Sjs / ( Ue) = / ( ) =266A 干線進(jìn)線截面及進(jìn)線開(kāi)關(guān) 在選擇前應(yīng)對(duì)照平面圖和系統(tǒng)圖先由用電設(shè)備至開(kāi)關(guān)箱計(jì)算,再由開(kāi)關(guān)箱至分配箱計(jì)算,選擇導(dǎo)線及開(kāi)關(guān)設(shè)備。項(xiàng)目部施工現(xiàn)場(chǎng)臨時(shí)用電管理小組如下: 組 長(zhǎng):周春苗(項(xiàng)目經(jīng) 理) 副組長(zhǎng): 向昌斌 (安全員) 組 員:龔文(電工) 、項(xiàng)目部施工現(xiàn)場(chǎng)臨時(shí)用電管理小組在項(xiàng)目經(jīng)理領(lǐng)導(dǎo)下,配備專職電工負(fù)責(zé)項(xiàng)目施工現(xiàn)場(chǎng)日常用電管理,發(fā)現(xiàn)問(wèn)題及時(shí)整改,消除隱患。 二、編制依據(jù) 施工現(xiàn)場(chǎng)臨時(shí)用電安全技術(shù)規(guī)范( JGJ46— 2020) 建設(shè)工程施工現(xiàn)場(chǎng)供用電安全規(guī)范( GB501042020) 建 筑 電 氣 安 裝 工 程
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