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耐热铝合金绞线及耐热钢芯铝合金绞线
耐热铝合金绞线及耐热钢芯铝合金绞线
 详情说明
B:耐热铝合金绞线及耐热钢芯铝合金绞线
Thermal resistant aluminum alloy stranded conductors
and steel-reinforced aluminum alloy conductors.
 
本产品适用于架空电力线路及旧架空线路的改造。
The product is used in the field of aerial power line.
 
一、产品执行标准  Manufacturing standard
本产品执行企业标准。
This product is the enterprise standard 。
 
二、用途及特点Uses and charicteristicses:
适用于架空输电线路,长期工作温度可达150℃,在满负荷条件下,其传输容量可比普通产品提高60%。
The product is used in aerial transmission line .Max. continuous operating temperature can be 150℃.The transmission capacity of this product increases 60% than normal one.
 
三、性能  Properties
1、相对导电率:58%IACS(20℃时电阻率不大于0.029726Ω.mm2/m).
Relative conductance :58% IACS(Max.resistivity at 20℃: 0.029726Ω.mm2/m)
2、加热至230℃,保温1h,冷却至室温时,强度保持率不小于90%。
After heating to 230℃ for 1h ,and cooling to room temperature ,the tensile strength remained should not less than 90%.
3、线膨胀系数0.000023  1/℃
Longitudinal expansion coefficient 0.000023  1/℃
4、电阻温度系数0.0039  1/℃
Temperature coefficient of resistance 0.000023  1/℃
 
四、产品型号  Types
NR  LH   58   J
                        绞线;Stranded conductor
                        相对导电率58%; Relative conductance :58% IACS
                        铝合金;Aluminum alloy
                        耐热;Thermal resistan
 
NR  LH   58   GJ
                        钢芯绞线;Steel –reinforced stranded conductor
                        相对导电率58%; Relative conductance :58% IACS
                        铝合金;Aluminum alloy
                        耐热;Thermal resistant
 
五、产品的主要技术性能及规格Size and main technical performance of the product
1、耐热铝合金圆线应符合《导电率58%IACS耐热铝合金圆线》的规定。
Thermal resistant aluminum alloy round wire should be in accordance with the standard《Thermal resistant Aluminum Alloy Round Wire of Relative Conductance 58% IACS》.
2、镀锌钢丝应符合GB/T 3428《钢芯铝绞线用镀锌钢丝》的规定。
Galvanized steel wire should be in accordance  with the standard  GB/T3428《Galvanized steel wire which is used in Aluminum stranded conductors steel-reinforced 》.
3、耐热铝合金绞线的主要技术性能及规格(表5-1)
Size and main technical performance of the product for thermal resistant aluminum alloy stranded conductor(Table 5-1).

表5-1  Table 5-1

 

标称截面

Normal cross-section

 

mm2

结构(根数/直径)

Construction (No/diameter)

mm

计算截面

Calculated cross-sectional area

mm

外径

Outer diameter

 

mm

20℃直流

电阻不大于

DC.resistance

at 20℃ ≯

Ω/km

计算拉断力

Calculated

breaking load

N

计算重量

Calculate

d weight

 

kg/km

交货长度(不小于)

Delivery

Length ≮

m

35

7/2.50

34.36

7.50

0.8763

5125

94.2

2000

50

7/3.00

49.48

9.00

0.6085

7380

135.7

1500

75

7/3.60

71.25

10.80

0.4226

10289

195.4

1250

95

7/4.16

95.14

12.48

0.3165

13287

260.9

1000

120

19/2.85

121.21

14.25

0.2496

18079

334.0

1500

150

19/3.15

148.07

15.75

0.2043

21381

408.0

1250

185

19/3.50

182.80

17.50

0.1655

26396

503.7

1000

210

19/3.75

209.85

18.75

0.1442

30302

578.2

1000

240

19/4.00

238.76

20.00

0.1267

33343

657.9

1000

300

37/3.20

297.57

22.40

0.1019

42969

821.6

1000

400

37/3.70

397.83

25.90

0.07622

57447

1098.5

1000

500

37/4.16

502.90

29.12

0.06030

70230

1388.6

1000

630

61/3.63

631.30

32.67

0.04803

86362

1746.8

800

800

61/4.10

805.36

36.90

0.03765

106549

2228.4

800

 

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