【文章內(nèi)容簡(jiǎn)介】 s = Pjs tgφ = = (7)木工圓鋸Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (8)木工平刨床Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (9)LED泛光燈照明Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (10)42號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=；Ijs = Kx ΣPe / ( Ue Cosφ) = 1000 / ( 380 ) = ；，故：Ijs = max{,max(,,,)} = 43號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)插入式振動(dòng)器Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (2)直流電焊機(jī)Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (3)沖擊錘鉆Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (4)樓層各種照明Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (5)43號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=；Ijs = Kx ΣPe / ( Ue Cosφ) = 1000 / ( 380 ) = ；，故：Ijs = max{,max(,)} = 1一級(jí)配電柜計(jì)算負(fù)荷總的計(jì)算負(fù)荷計(jì)算，一級(jí)配電柜用電設(shè)備同期使用系數(shù)取Kx = 總的有功功率： Pjs = KxΣPjs = = 總的無(wú)功功率： Qjs = KxΣQjs = = 總的視在功率： Sjs = (Pjs^2 + Qjs^2)^ = ( + )^ = 總的計(jì)算電流計(jì)算：Ijs = Sjs 1000 /( Ue) = 1000 / ( 380) = 同時(shí)要求1，故：Ijs = max{,max(,,)} = 51號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)5塔式起重機(jī)Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (2)6塔式起重機(jī)Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (3)LED泛光燈照明Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (4)塔吊臂燈Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (5)51號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=；Ijs = Kx ΣPe / ( Ue Cosφ) = 1000 / ( 380 ) = ；，故：Ijs = max{,max(,)} = 52號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)鋼筋切斷機(jī)Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (2)鋼筋彎曲機(jī)Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (3)鋼筋套絲機(jī)Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (4)鋼筋箍筋彎曲機(jī)Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (5)數(shù)控鋼筋調(diào)直切斷機(jī)Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (6)電動(dòng)切割機(jī)Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (7)木工圓鋸Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (8)木工平刨床Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (9)LED泛光燈照明Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (10)52號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=；Ijs = Kx ΣPe / ( Ue Cosφ) = 1000 / ( 380 ) = ；，故：Ijs = max{,max(,,,)} = 53號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)插入式振動(dòng)器Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (2)直流電焊機(jī)Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (3)沖擊錘鉆Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (4)樓層各種照明Kx = ，Cosφ = ，tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = Qjs = Pjs tgφ = = (5)53號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=；Ijs = Kx ΣPe / ( Ue Cosφ) = 1000 / ( 380 ) = ；，故：Ijs = max{,max(,)} =