電線類系列參數(shù)表,,,,,導(dǎo)體電阻算法,,,,,,,,,,單位換算,,,,,

"電鍍層厚度

計(jì)算公式=","D-d

2",1.50,"注:D為電鍍后外徑,

d為裸銅OD.",,20℃時(shí)的導(dǎo)電率→,,0.017241/0.017241*100,,,=,100,%,本表基數(shù)單位為mm,,1inches=,,25.4mm,,,

,,,,,"相當(dāng)

電阻率","體積電

阻率",?·mm2/m(μ?·m),,,0.017241,,,,,1,英寸=,25.4,,mm,

D=,5,,,,,,?·m,,,0.000000017241000,,,=,1.7241*10-8,1,mm=,0.039370079,,英寸,

d=,2,,,,,"質(zhì)量電阻

率",?·g/m2,,,0.15328,,,,,"1μ""=0.000001

inches=",,0.0000254,,mm,

,,,,,,,,,,,,,,,,,,,,,

,,,,,,,"體積電阻率

或質(zhì)量電阻率",,除以溫度系數(shù),,,,,,,,,,,

"導(dǎo)體集合直徑

計(jì)算公式=",D=N*1.155*d,D為集合直徑=,0.39,MM,,,?·Kg/m2,,,0.000153280000000,,,=,1.5328*10-4,,,,,,

,,,,,"實(shí)時(shí)溫度

單位長(zhǎng)度電阻值=",,0.017241,,除,,溫度系數(shù),=,0.017241,?,=,,0.0254,,μm,

N導(dǎo)體根數(shù)=,7,d單根導(dǎo)體直徑=,0.127,,,,,,,,1,,,,0.75,"μ""=",0.019050,μm,0.000019,mm

"導(dǎo)體截面積

計(jì)算公式=","S=N*∏*d2/4或

S=N*D2/4",=,0.08867,mm2,裸銅1mm長(zhǎng)度電阻值=,,體積電阻率/溫度系數(shù)/截面積,,,=,0.0001944,?,,,,,,,,

,,,,,裸銅1米長(zhǎng)度電阻值=,,體積電阻率/溫度系數(shù)/截面積,,,=,0.19443,?,,,"1μm=0.001

mm=",,39.37,,"μ""",

,,,,,溫度系數(shù)對(duì)照表,,,,,,,,,,,,,,,

,,,,,導(dǎo)體溫度,系數(shù)(20℃),導(dǎo)體溫度,系數(shù)(20℃),導(dǎo)體溫度,系數(shù)(20℃),1M錫銅(TXR)電阻值d=0.05-4.00,?,1M可焊性錫銅(TXRH)電阻值d=0.2-1.2,?,,,,,,

"多芯線OD

計(jì)算公式=","多芯線系數(shù)*芯線外徑+0.1mm(鋁箔厚度)

+0.48(編織厚度)+(外被厚度*2)",,,,,,,,,,,,,,1,μm=,0.001000,mm,39.37,"μ"""

,,,,,5℃,1.063,16℃,1.016,27℃,0.973,,,,,,,,,,

多芯線系數(shù)=,1,外被厚度=,0.5,,6℃,1.059,17℃,1.012,28℃,0.97,,,,,,,,,,

OD=,2.58,,,,7℃,1.054,18℃,1.008,29℃,0.966,0.05<d≤0.09,0.208742588,,0.208742588,,,,,,

,,,,,8℃,1.05,19℃,1.004,30℃,0.962,,,,,,,,,,

"多對(duì)線OD

計(jì)算公式=","多對(duì)線系數(shù)*芯線外徑+0.1mm(鋁箔厚度)

+0.48(編織厚度)+(外被厚度*2)",,,,,,,,,,0.09<d≤0.25,0.203216717,,0.20648713,,,,,,

,,,,,9℃,1.045,20℃,1,31℃,0.958,0.25<d≤0.5,0.199607985,,0.202201761,,,,,,

多芯線系數(shù)=,,外被厚度=,0.5,,10℃,1.041,21℃,0.996,32℃,0.955,0.5<d≤4.0,0.198480256,,0.200171849,,,,,,

OD=,1.58,,,,11℃,1.037,22℃,0.992,33℃,0.951,,,,,,,,,,

,,,,,12℃,1.033,23℃,0.989,34℃,0.948,,,,,,,,,,

"(卷線)長(zhǎng)度

計(jì)算公式=","L=∏(D-d)*

(L/d)+T1+T2",L為卷線長(zhǎng)度=,15,,,,,,,,,,,,,,,,,

,,,,,13℃,1.028,24℃,0.985,,,,,,,,,,,,

D卷線外徑=,50,d為電線OD=,2.1,"T1,T2為兩

端伸出長(zhǎng)度",14℃,1.024,25℃,0.981,,"1米長(zhǎng)1mm2銅絲可通電流4A

依此則可通過(guò)",,,0.354695229,A(可通過(guò)電流),,,,,,

T1=,30,T2=,30,,15℃,1.02,26℃,0.977,,,,,68.964,V(每mm2可通過(guò)電壓）,,,,,,

長(zhǎng)度=,1134.84,,,,20℃時(shí)銅密度→,,8.89g/cm3,,0.00889g/mm3,,可通過(guò)電壓,,611.53004,V,,,,,,

,,,,,1mm21米長(zhǎng)質(zhì)量等于,,"0.00889g/mm3

*1000mm",,銅的密度20℃時(shí)為8.89g/cm3,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,,,,

"以上表格單位為mm,藍(lán)底為結(jié)果,黃色為需輸入值!",,,,,,,,,,,,,,,,,,,,

,,,,,裸銅1mm長(zhǎng)質(zhì)量等于,,0.00078831,,g,,,,,,,,,,,

,,,,,裸銅1M長(zhǎng)質(zhì)量等于,,0.788310147,,g,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,,,,

,,,,,UL1015=,1.97,,,UL1007=,,1.21,,,,,,,,,

,,,,,,,,