【文章內(nèi)容簡介】 tgφ = = (7)鋼筋套絲機 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 = = 14 (8)對焊機 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)插入式振動器 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 = = (10)插入式振動器 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 = = (11)高壓鈉燈 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 = = (12)高壓鈉燈 Kx = ， Cosφ = ， tgφ = (1 Cosφ^2)^(1 ^2)^ / = Pe = n P (εe/ε)^ = ( / )^ = Ij1 = Kx Pe / ( Ue cosφ) = 1000 / ( 380 ) = Pjs = Kx Pe = = 15 Qjs = Pjs tgφ = = (13)3號分箱計算負荷 用電設(shè)備同期使用系數(shù) Kx=； Ijs = Kx ΣPe / ( Ue Cosφ) = 1000 / ( 380 ) = ； 同時要求分箱用電負荷不得小于分箱下用電設(shè)備最大計算負荷的 ，故： Ijs = max{,max(,,,)} = 4號分箱設(shè)備用電負荷 (1)塔式起重機 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)鋼筋調(diào)直切斷機 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)鋼筋切斷機 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)鋼筋彎曲機 16 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)鋼筋彎曲機 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)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 = = (7)鋼筋彎曲機 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)對焊機 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 = = 17 (9)插入式振動器 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 = = (10)插入式振動器 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 = = (11)高壓鈉燈 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 = = (12)高壓鈉燈 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 = = (13)4號分箱計算負荷 用電設(shè)備同期使用系數(shù) Kx=； Ijs = Kx ΣPe / ( Ue Cosφ) = 1000 / ( 380 ) = ； 同時要求分箱用電負荷不得小于分箱下用電設(shè)備最大計算負荷的 ，故： Ijs = max{, 18 max(,,,)} = 總箱計算負荷 總的計算負荷計算，總配電箱用電設(shè)備同期使用系數(shù)取 Kx = 總的有功功率： Pjs = Kx ΣPjs = = 總的無功功率： Qjs = Kx ΣQjs = = 總的視在功率： Sjs = (Pjs^2 + Qjs^2)^ = ( + )^ = 總的計算電流計算： Ijs = Sjs 1000 /( Ue) = 1000 / ( 380) = ，故： Ijs = max{, max(,)} = %zongijsgongshi% = 導(dǎo)線及開關(guān)箱內(nèi)電氣設(shè)備選擇 1號干線上導(dǎo)線及開關(guān)箱內(nèi)電氣設(shè)備選擇 、塔式起重機導(dǎo)線及開關(guān)箱內(nèi)電氣設(shè)備選擇 根據(jù)計算負荷，知塔式起重機計算電流為： Ij1 = Kx Pe/( Ue cosφ) = (1)選擇 VLV3 16+2 16，安全載流量為 60A≥ 。 (2)選擇開關(guān)箱內(nèi)開關(guān)為 HR3100/60，其熔體額定電流為 Ir = 60A ≥ ，漏電保護器為 DZ47LE60/60。 、鋼筋調(diào)直切斷機導(dǎo)線及開關(guān)箱內(nèi)電氣設(shè)備選擇 根據(jù)計算負荷，知鋼筋調(diào)直切斷機計算電流為： Ij2 = Kx Pe/( Ue cosφ) = (1)選擇 BLX3 16+2 16，安全載流量為 52A≥ 。 (2)選擇開關(guān)箱內(nèi)開關(guān)為 HR5100/4，其熔體額定電流為 Ir = 4A ≥ ，漏電保護器為 DZ15LE40/6。 、鋼筋切斷機導(dǎo)線及開關(guān)箱內(nèi)電氣設(shè)備選擇 根據(jù)計算負荷，知鋼筋切斷機計算電流為： Ij3 = Kx Pe/( Ue cosφ) = 19 (1)選擇 BLX3 16+2 16，安全載流量為 52A≥ 。 (2)選擇開關(guān)箱內(nèi)開關(guān)為 HR6160/6，其熔體額定電流為 Ir = 6A ≥ ，漏電保護器為 DZ15LE40/6。 、鋼筋彎曲機導(dǎo)線及開關(guān)箱內(nèi)電氣設(shè)備選擇 根據(jù)計算負荷，知鋼筋彎曲機計算電流為： Ij4 = Kx Pe/( Ue cosφ) = (1)選擇 BLX3 16+2 16，安全載流量為 52A≥ 。 (2)選擇開關(guān)箱內(nèi)開關(guān)為 HR6160/6，其熔體額定電流為 Ir = 6A ≥ ，漏電保護器為 DZ15LE40/6。 、鋼筋彎曲機導(dǎo)線及開關(guān)箱內(nèi)電氣設(shè)備選擇 根據(jù)計算負荷，知鋼筋彎曲機計算電流為： Ij5 = Kx Pe/( Ue cosφ) = (1)選擇 BLX3 16+2 16，安全載流量為 52A≥ 。 (2)選擇開關(guān)箱內(nèi)開關(guān)為 HR6160/6，其熔體額定電流為 Ir = 6A ≥ ，漏電保護器為 DZ15LE40/6。 、木工圓鋸導(dǎo)線及開關(guān)箱內(nèi)電氣設(shè)備選擇 根據(jù)計算負荷，知木工圓鋸計算電流為： Ij6 = Kx Pe/( Ue cosφ) = (1)選擇 BLX3 16+2 16，安全載流量為 52A≥ 。 (2)選擇開關(guān)箱內(nèi)開關(guān)為 HR6160/6，其熔體額定電流為 Ir = 6A ≥ ，漏電保護器為 DZ15LE40/6。 、鋼筋套絲機導(dǎo)線及開關(guān)箱內(nèi)電氣設(shè)備選擇 根據(jù)計算負荷，知鋼筋套絲機計算電流為： Ij7 = Kx Pe/( Ue cosφ) = (1)選擇 BLX3 16+2 16，安全載流量為 52A≥ 。 (2)選擇開關(guān)箱內(nèi)開關(guān)為 HR6160/6，其熔體額定電流為 Ir = 6A ≥ ，漏電保護器為 DZ15LE40/6。 、對焊機導(dǎo)線及開關(guān)箱內(nèi)電氣設(shè)備選擇 根據(jù)計算負荷，知對焊機計算電流為： Ij8 = Kx Pe/( Ue cosφ)