用電需求分析

施匚用電設備負荷統(tǒng)汁表一、長期或短時工作制用電設備容量計算(Pjs二KxX5：Pe；Qjs二PjsXtge)二、反復短時工作制用電設備組設備容呈計算(Pjs=SeXJEnXKxXCOS4>;Qjs=PjsXtg0)序號用電設備型號設備容量(kW)設備數(shù)量(臺)需用系數(shù)(Kx)功率因數(shù)cos4)計算負荷有功功率Pjs(kW)無功功率Qjs(Kvar)1塔吊QTZ80（暫定）5390.400.65124.02144.982施工電梯SC200/200TD（暫定）44100.600.65171.60200.603高Jk水泵揚程160M3090.50.8108.0081.004高Jk水泵揚程160M3070.50.884.0063.005鋼筋彎曲機GW40380.50.89.607.206鋼筋切斷機GQ405.580.50.817.6013.207鋼筋調直機JK-3T1140.50.817.6013.208套絲機Y11ZM-4-WD-X440.50.86.404.809木工圓盤鋸MJ104A350.50.86.004.5010木工平刨床MB504B340.50.84.803.6011手電鋸0.35150.50.82.101.5812混凝上振動器ZX701.1100.50.84.403.3013平板振動器1.140.50.81.761.3214潛水泵2.2120.50.810.567.9215潛水泵(降水)5.540.50.88.806.6016金屬切割機日立4>160.5400.50.88.006.0017石材切割機日立<1>1001.3250.50.813.009.7518膩子攪拌機牧fflBOl0.5300.50.86.004.5019沖擊鉆TE151.2300.50.814.4010.8020兩用沖擊鉆4）121250.50.810.007.5021臺鉆*160.38250.50.83.802.8522羅機牧田37031.2200.50.89.607.2023手電鉆日立0.5450.50.89.006.7524自攻螺絲槍牧田68000.5300.50.86.004.5025手電鋸ZOSB0.5300.50.86.004.5026機電加工設備機電工程用5010.50.815.4911.6227電焊機BX3-300-230200.50.8185.90139.4328碳弧氣刨（暫載率n=0.60ZX5-10007510.350.510.1717.6129砂漿攪拌機UJZ-25011100.50.844.0033.0030生活區(qū)、辦公區(qū)空調、風扇項20031現(xiàn)場照明62備注^0杳表,Cos4)為0.65,tga約1.169；當Cos4>為0.80,tga約0.75；當Cos為0.50,tga約1.732；當Cose為0.55,tga約1.519。如果暫不考慮BF改鋼構：（不考慮栓釘焊機及二氧化碳焊機）LPis=918.60(KW)EQjs=822.8(Kvar)ZSjs=J(》PQ2+(工=1232.81(K\A)業(yè)主在整個現(xiàn)場設兩個變壓器（一般變壓器的負荷率不超80%）,現(xiàn)階段1232.81+262=1494.81>（630+630）X0.8=1008,不能滿足現(xiàn)場用電。

施工用電設備負荷統(tǒng)計表一、長期或短時工作制用電設備容量計算(Pjs=KxX￡Pe；Qjs=PjsXtge)二、反復短時工作制用電設備組設備容呈計算(Pjs=SeXVenXKxXC0S4>;Qjs=PjsXtg0)序號用電設備型號設備容量(kW)設備數(shù)量(臺)需用系數(shù)(Kx)功率因數(shù)cos4)計算負荷有功功率Pjs(kW)無功功率Qjs(Kvar)1塔吊C705011740.400.65121.68147.932塔吊QTZ80C暫定）5350.400.6568.90104.713施工電梯SC200/200TD（暫定）44100.600.65171.60200.604高J1'.水泵揚程160M3090.50.8108.0081.005高Ji'.水泵揚程160M3070.50.884.0063.006鋼筋彎曲機GW40380.50.89.607.207鋼筋切斷機GQ405.580.50.817.6013.208鋼筋調直機JK-3T1140.50.817.6013.209套絲機Y11ZM-4-WD-X440.50.86.404.8010木工圓盤鋸MJ104A350.50.86.004.5011木工平刨床MB504B340.50.84.803.6012手電鋸035150.50.82.101.5813混凝上振動器ZX701.1100.50.84.403.3014平板振動器1.140.50.81.761.3215潛水泵2.2120.50.810.567.9216潛水泵(降水)5.540.50.88.806.6017金屬切割機日立"160.5400.50.88.006.0018石材切割機日立<1>1001.3250.50.813.009.7519膩子攪拌機牧田B010.5300.50.86.004.5020沖擊鉆TE151.2300.50.814.4010.8021兩用沖擊鉆4）121250.50.810.007.5022臺鉆4）160.38250.50.83.802.8523羅機牧田37031.2200.50.89.607.20

24手電鉆日立0.5450.50.89.006.7525自攻螺絲槍牧田68000.5300.50.86.004.5026手電鋸ZOSB0.5300.50.86.004.5027機電加工設備機電工程用5010.50.815.4911.6228電焊機BX3-300-230200.50.8185.90139.4329碳弧氣刨(暫載率11=0.60)ZX5-10007510.350.510.1717.6130砂漿攪拌機UJZ-25011100.50.844.0033.0031二氧化碳焊機(暫載率5】=0.60)NBC-50023800.350.5527436416.7532栓釘機(暫載率￡n=0.60)RZN-200011040.50.8136.33102.2533生活區(qū)、辦公區(qū)空調、風扇項20034現(xiàn)場照明100注紹杳表，Cos4）為0.65,tga約1.169；當Cos4）為0.80,tga約0.75；當Cos4）為0.50,tga約1.732；當Cos。為0.55,tga約1.519,￡Pjs=1395.85(KW)ZQjs=1449.47(Kvar)ZSjs=J(力PQ2+(工0Ja2012