1 第一章、工程概况1、供电系统简图第一章、工程概况1、为贯彻JGJ46-2005《施工现场临时用电安全技术规范》，保障施工现场临时用电安全， 防止触电和电气火灾事故的发生，促进现场临时用电规范，现场编制。2、根据设计施工图进行临时用电平面布置。3、根据施工组织总设计中的设备配置进行临时用电负荷的计算，根据现场平面布置进行临时用电布置。4、体育馆临时用电总负荷为业主所提供的500KVA变压器一台卷扬机Kx=0.85，Cosφ =0.6，tg φ =1.33Ijs= K x ×Pe ×台数/(1.732 ×Ue×Cosφ )=0.85 ×7.5 ×1/(1.732 ×0.38 ×0.6)=16.14A混凝土输送泵Kx=0.3，Cosφ =0.7，tg φ =1.02Ijs= Kx ×Pe ×台 数/(1.732 ×Ue×Cosφ )=0.3 ×32.2 ×1/(1.732 ×0.38 ×0.7)=20.97A插入式振动器Kx=0.3，Cosφ =0.7，tg φ =1.02Ijs= Kx ×Pe ×台数/( 1.732 ×Ue×2 Cosφ )=0.3 ×0.8 ×1/(1.732 ×0.38 ×0.7)=0.52A插入式振动器Kx=0.3，Cosφ =0.7，tg φ =1.02Ijs= Kx ×Pe ×台数 /(1.7 32×Ue×Cosφ )=0.3 ×0.8 ×1/(1.732 ×0.38 ×0.7)=0.52A插入式振动器Kx=0.3，Cosφ =0.7，tg φ =1.02Ijs= Kx ×Pe ×台数/(1 .732× Ue×Cosφ )=0.3 ×1.1 ×1/(1.732 ×0.38 ×0.7)=0.72A插入式振动器Kx=0.3，Cosφ =0.7，tg φ =1.02Ijs= Kx ×Pe ×台数/(1.732×Ue×Cosφ )=0.3 ×1.5 ×1/(1.732 ×0.38 ×0.7)=0.98A平板式振动器Kx=0.3，Cosφ =0.7，tg φ =1.02Ijs= Kx ×Pe ×台数/(1.732 ×Ue×Cosφ)=0.3 ×1.1 ×1/(1.732×0.38 ×0.7)=0.72A 灰浆搅拌机Kx=0.5，Cosφ =0.55，tg φ =1.52Ijs= Kx ×Pe ×台数/(1.732 ×Ue×Cosφ )=0.5 ×3×1/(1.732×0.38 ×0.55)=4.14A 钢筋调直机3 Kx=0.65，Cosφ =0.7，tg φ =1.02Ijs= Kx ×Pe ×台数/(1.732 ×Ue×Cosφ)=0.6 5×11×1/(1.732×0.38 ×0.7)=15.52A 钢筋切断机Kx=0.65，Cosφ =0.7，tg φ =1.02Ijs= Kx ×Pe ×台数/(1.732 ×Ue×Cosφ )=0.65×7×1/(1.732×0.38 ×0.7)=9.88A 钢筋弯曲机Kx=0.65，Cosφ =0.7，tg φ =1.02Ijs= Kx ×Pe ×台数/(1.732 ×Ue×Cosφ )=0.65×3×1/(1.732 ×0.38 ×0.7)=4.23A 交流电焊机Kx=0.5，Cosφ =0.4，tg φ =2.29Ijs=Kx ×Pe×台数/(Ue ×Cosφ )=0.5 ×10.92 ×1/(0.38×0.4)=35.91A 直流电焊机Kx=0.7，Cosφ =0.6，tg φ =1.33Ijs=Kx ×Pe×台数/(Ue ×Cosφ )=0.7 ×18.38 ×1/(0.38 ×0.6)=56.44A 木工圆锯Kx=0.65，Cosφ =0.6，tg φ =1.33Ijs= Kx ×Pe ×台数/(1.732 ×Ue×Cosφ )=0.65 ×5.5 ×1/(1.732×0.38 ×0.6)=9.05A 100m 高扬程水泵4 Kx=0.75，Cosφ =0.8，tg φ =0.75Ijs= Kx ×Pe ×台数/(1.732 ×Ue×Cosφ )=0.75 ×20×1/(1.732×0.38×0.8)=28.49A 钢筋对焊机Kx=0.5，Cosφ =0.55，tg φ =1.52Ijs= Kx ×Pe ×台数/(1.732 ×Ue×Cosφ )=0.5 ×90×1/(1.732 ×0.38×0.55)=124.31A 5 供电系统简图6 7 8 9 10 11 浙江中联建设集团 有限公司张家界贺龙体育中心综合体育馆、体育场项目部二 O 一一年五月二十五号编
