电力电缆铜重量计算

2025-03-14 16:59:21
推荐回答(2个)
回答(1):

每千米铜电缆重量计算公式
  1、每千米导体重量:(Kg/Km)=d2×0.7854×G×N×K1×K2×C
  d=铜线径
G=铜比重
N=条数
K1=铜线绞入率
K2=芯线绞入率
C=绝缘芯线根数
  2、每千米绝缘重量:(Kg/Km)=(D2-d2)×0.7854×G×C×K2
  D=绝缘外径
d=导体外径
G=绝缘比重
K2=芯线绞入率
C=绝缘芯线根数
  3、每千米外被重量:(Kg/Km)=(D12-D2)×0.7854×G
  D1=完成外径
D=上过程外径
G=绝缘比重
  4、每千米包带重量:(Kg/Km)=D2×0.7854×t×G×Z
  D=上过程外径
t=包带厚度
G=包带比重
Z=重叠率(1/4Lap=1.25)
  5、每千米缠绕重量:(Kg/Km)=d2×0.7854×G×N×Z
  d=铜线径
N=条数
G=比重
Z=绞入率
  6、每千米编织重量:(Kg/Km)=d2×0.7854×T×N×G/cosθ
  θ=atan(2×3.1416×(D+d×2))×目数/25.4/T
  d=编织铜线径
T=锭数
N=每锭条数
G=铜比重
  7、每千米铜电缆重量(Kg/Km)=铜导体重量+绝缘体重量+外被重量+包带重量+缠绕物重量+编织物重量

回答(2):

电缆的铜一般都是圆形的。
所以计算公式就是计算每米的铜重量。
比如截面积1000平方毫米的电缆
那么计算公式就是用
计算出一米电缆的体积
然后在乘以铜的密度就可以了。
希望我的回答可以对你有所帮助。

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