【正文】 照 明202016合 計(jì)//=總電流：Ijs = Sjs/(Ue) = () = 電氣元件配備表:序號項(xiàng) 目電流（A）導(dǎo) 線開關(guān)漏電保護(hù)器1塔式起重機(jī)BX34＋2HR532/3DZ15LE32/42施工電梯33BX34＋2HR532/3DZ15LE32/43物料提升機(jī)BX3＋2HR532/3DZ15LE32/34豎向電焊機(jī)BX36＋24HR532/3DZ15LE32/35圓盤鋸BX31＋2HR532/3DZ15LE32/36電焊機(jī) BX3＋2HR532/3DZ15LE32/37對焊機(jī)BX316＋210HR650/3DZ15LE63/38鋼筋切斷機(jī)BX31＋2HR532/3DZ15LE32/39鋼筋彎曲機(jī)BX31＋2HR532/3DZ15LE32/310鋼筋調(diào)直機(jī)BX31＋2HR532/3DZ15LE32/311振動(dòng)棒BX31＋2HR532/3DZ15LE32/312泥漿泵BX34＋2HR532/3DZ15LE32/313高壓泵BX3＋21HR532/3DZ15LE32/314拌灰機(jī)BX31＋2HR532/3DZ15LE32/315照 明BX31＋2HR532/3DZ15LE32/316備 用BX316＋210HR650/3DZ15LE63/31718 確定用電負(fù)荷: (1)、塔式起重機(jī) Kx = Cosφ = tgφ = 將Jc =40%統(tǒng)一換算到Jc1 =25%的額定容量 Pe = n(Jc/Jc1)1/2Pn =1()1/2 = kW Pjs = KxPe = = (2)、物料提升機(jī) Kx = Cosφ = tgφ = Pjs = = kW (3)、灰漿攪拌機(jī) Kx = Cosφ = tgφ = Pjs = = kW (4)、泥漿泵 Kx = Cosφ = tgφ = Pjs = = kW (5)、現(xiàn)場照明 Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =40%的額定容量 Pe = n(Jc/Jc1)1/2Pn =1()1/2 = kW Pjs = KxPe = = (6)、100m高揚(yáng)程水泵 Kx = Cosφ = tgφ = Pjs = = kW (7)、鋼筋調(diào)直機(jī) Kx = Cosφ = tgφ = Pjs = = kW (8)、鋼筋彎曲機(jī) Kx = Cosφ = tgφ = Pjs = = kW (9)、鋼筋切斷機(jī) Kx = Cosφ = tgφ = Pjs = = kW (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 Pe = n(Jc/Jc1)1/2Pn =1()1/2 = kW Pjs = KxPe = = (11)、對焊機(jī) Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量 Pe = n(Jc/Jc1)1/2Pn =1()1/2 = kW Pjs = KxPe = = (12)、套絲切管機(jī) Kx = Cosφ = tgφ = Pjs = = kW (13)、電動(dòng)液壓彎管機(jī) Kx = Cosφ = tgφ = Pjs = = kW (14)、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 Pe = n(Jc/Jc1)1/2Pn =1()1/2 = kW Pjs = KxPe = = (15)、豎向?qū)笝C(jī) Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =100%的額定容量 Pe = n(Jc/Jc1)1/2Pn =1()1/2 = kW Pjs = KxPe = = (16)、建筑施工外用電梯 Kx = Cosφ = tgφ = Pjs = = kW (17)、插入式振動(dòng)器 Kx = Cosφ = tgφ = Pjs = = kW (18)、木工圓鋸 Kx = Cosφ = tgφ = Pjs = = kW (19)、現(xiàn)場照明 Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =40%的額定容量 Pe = n(Jc/Jc1)1/2Pn =1()1/2 = kW Pjs = KxPe = = (20)、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 Pe = n(Jc/Jc1)1/2Pn =1()1/2 = kW Pjs = KxPe = = (21)、宿舍照明 Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =40%的額定容量 Pe = n(Jc/Jc1)1/2Pn =1()1/2 = kW Pjs = KxPe = = (22)、辦公照明 Kx = Cosφ = tgφ = 將Jc =50%統(tǒng)一換算到Jc1 =40%的額定容量 Pe = n(Jc/Jc1)1/2Pn =1()1/2 = kW Pjs = KxPe = = (31)總的計(jì)算負(fù)荷計(jì)算，總箱同期系數(shù)取 Kx = 總的有功功率 Pjs = KxΣPjs = (+++++++++++++++++++++++++++++) = kVA 總的無功功率 Qjs = KxΣQjs =(+++++++++++++++++++++++++++++) = kVA 總的視在功率 Sjs = (Pjs2+Qjs2)1/2 = (+)1/2 = kVA 總的計(jì)算電流計(jì)算 Ijs = Sjs/(Ue) = () = A 選擇變壓器: 根據(jù)計(jì)算的總的視在功率選擇根據(jù)計(jì)算的總的視在功率選擇SL7315/10型三相電力變壓器，其高壓側(cè)電壓為10kV同施工現(xiàn)場外的高壓架空線路的電壓級別一致。：根據(jù)現(xiàn)場實(shí)際情況，配電房設(shè)有1，2電屏，總電源分別為315KVA、八個(gè)回路。 (4)按照《JGJ462005》規(guī)定制定施工組織設(shè)計(jì)，接地電阻R≤4Ω。 (2)現(xiàn)場采用380V低壓供電，設(shè)二個(gè)配電總柜，內(nèi)有計(jì)量設(shè)備，采用TNS系統(tǒng)供電。地下二層,地上19層，均為現(xiàn)澆鋼筋砼框架剪力墻結(jié)構(gòu)。施工現(xiàn)場臨時(shí)用電專項(xiàng)方案一、編制依據(jù)《低壓配電設(shè)計(jì)規(guī)范》GB5005495中華人民共和國建設(shè)部發(fā)布《建筑工程施工現(xiàn)場供電安全規(guī)范》GB5019493中華人民共和國建設(shè)部發(fā)布《通用用電設(shè)備配電設(shè)計(jì)規(guī)范》GB5005593中華人民共和國建設(shè)部發(fā)布《供配電系統(tǒng)設(shè)計(jì)規(guī)范》GB5005295中華人民共和國建設(shè)部發(fā)布《施工現(xiàn)場臨時(shí)用電安全技術(shù)規(guī)范》JGJ462005中華人民共和國建設(shè)部發(fā)布《施工現(xiàn)場臨時(shí)用電安全技術(shù)規(guī)范實(shí)用手冊》中國建筑工業(yè)出版社《建筑施工計(jì)算手冊》（江正榮著）中國建筑工業(yè)出版社《建筑工程臨時(shí)用電設(shè)計(jì)手冊》中國電力出版社建設(shè)單位提供的現(xiàn)場電源資料二、施工條件 工程概況某大酒店工程位于龍灣行政中心區(qū)E01地塊，由溫州市某房地產(chǎn)開發(fā)有限公司籌建，浙江省某建筑設(shè)計(jì)研究院設(shè)計(jì)，某工程勘察院有限公司地質(zhì)勘察，北京某建設(shè)工程管理有限公司監(jiān)理，由溫州某建設(shè)集團(tuán)有限公司總承建施工?？偨ㄖ娣e57675M2（）。 三、設(shè)計(jì)內(nèi)容和步驟 現(xiàn)場勘探及初步設(shè)計(jì): (1)本工程所在施工現(xiàn)場范圍內(nèi)無各種埋地管線。 (3)根據(jù)施工現(xiàn)場用電設(shè)備布置情況，采用導(dǎo)線穿鋼管埋地敷設(shè)，布置位置及線路走向參見臨時(shí)配電系統(tǒng)圖及現(xiàn)場平面圖，采用三級配電，兩極防護(hù)。 確定用電負(fù)荷:(一)樁基工程臨時(shí)用電負(fù)荷計(jì)算630KVA用電量統(tǒng)計(jì)表序號用電設(shè)備規(guī)格數(shù)量（臺）功率（KW/臺）總?cè)萘浚↘W）1工程鉆機(jī)GPS1510525202泥漿泵3PN10222203電焊機(jī)BX150010222204 注漿泵2UB5111115空氣壓縮機(jī)6M3137376清水泵11　630KVA樁基工程施工現(xiàn)場用電負(fù)荷計(jì)算：查表Kx＝，cosφ=， tgφ= pe1＝52310＝520kw計(jì)算負(fù)荷：Pjs1＝Kx peZ＝520＝156kwQjs1＝Pjs1 tgφ＝156＝：查表Kx＝，cosφ=， tgφ=pe2＝22120＝220kw計(jì)算負(fù)荷：Pjs2＝Kx peZ＝220＝66kwQjs2＝Pjs2 tgφ＝66＝：查表Kx＝， tgφ=　 cosφ=pe3＝2210＝220kw計(jì)算負(fù)荷：Pjs3＝Kx pe3＝220＝66kwQjs3＝Pjs3 tgφ＝66＝：Kx＝，cosφ=， tgφ=pe4＝111＝11kw計(jì)算負(fù)荷：Pjs4＝Kx pe4＝11＝ KWQjs4＝Pjs4tgφ＝＝：Kx＝，cosφ=， tgφ=pe5＝371＝37kw計(jì)算負(fù)荷：Pjs5＝Kx pe5＝37＝ KWQjs5＝Pjs5tgφ＝＝：查表Kx＝，cosφ=， tgφ=pe6＝11＝計(jì)算負(fù)荷：Pjs6＝Kx pe6＝＝Qjs6＝Pjs4tgφ＝＝. 7現(xiàn)場照明及總包、分包生活用電查表Kx＝1， cosφ=，pe9＝40kwPjs9= Kx pe7＝40kwQjs9=40kw注：cosφ——為電動(dòng)機(jī)的平均功率因數(shù) Qj——為單項(xiàng)設(shè)備不對稱容量換算se——為施工機(jī)械設(shè)備