1、一、長期或短時工作制用電設備容量計算(Pjs=KxXPe;Qjs=PjsX tg)二、反復短時工作制用電設備組設備容量計算(Pjs=SeXj nXKxXCOS ;Qjs=PjsXtg)序號用電設備型號設備容量(kW)設備數量(臺)需用系數(Kx)功率 因數cos9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高壓水泵揚程160M3090.50.8108.0081.004高壓水泵揚程160M3070.50.884.0063.0

2、05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混凝土振動器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

3、.88.806.6016金屬切割機日立160.5400.50.88.006.0017石材切割機日立91001.3250.50.813.009.7518膩子攪拌機牧田B010.5300.50.86.004.5019沖擊鉆TE151.2300.50.814.4010.8020兩用沖擊鉆9121250.50.810.007.5021臺鉆9160.38250.50.83.802.8522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ZOSB0.5300.50.86.00

4、4.5026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碳孤氣刨(暫載率 en =0.60ZX5-10007510.350.510.1717.6129砂漿攪拌機UJZ-25011100.50.844.0033.0030生活區、辦公區空調、風扇項20031現場照明62備注經查表，Cos9 為 0.65, tga 約 1.169；當 Cos 為 0.80, tga 約 0.75；當 Cos 為 0.50, tga 約 1.732； 當 Cos 為 0.55, tga 約 1.519。IPjs= 918.60

5、 (KW)EQjs= 822.8(Kvar)ZSjs = 企PS & 元-1232.81 (KVA)業主在整個現場設兩個變壓器(一般變壓器的負荷率不超80%),現階段1232.81+262=1494.81(630+630) x0.8=1008,不能滿足現場用電。鋼構施工用電設備投入清單序號用電設備名稱型號額定功率 （KW）數量合計（KW）1高強螺栓槍Tone0.7564.52交直流電焊機ZX7-40014.45723碳弧氣刨（暫載 率8n =0.60ZX5-10006821364二氧化碳焊機OTC-60036155405空氣壓縮機YJ600WS3.326.66電焊條烘箱YGCH-X-40062127半自動切割機CG1-301448角