Diameter Expanded Hollow Wire for Electric Station

Type

Name

LGJKK

Diameter expanded hollow steel-core aluminum wire

LGSJK

Sparse stranded diameter expanded steel-core aluminum wire

Type

LGJKK-600

LGJKK-900

LGJKK-1400

Nominal outer diameter of conductor mm

50.60

49.00

57.00

Nominal cross section mm²

600

900

1400

Calculated cross section

mm²

Al

653.60

906.20

1387.60

Steel

54.50

84.80

106.00

Amount

708.10

991.00

1493.60

Construction Number diameter mm

Support center metallic flexible pipe

Outer diameter

37.0₀^-0.5

27.0₀^-0.5

27.0₀^-0.5

Inner diameter

31.0±0.5

21.0±0.5

21.0±0.5

Inner layer

Al

30/3.4

18/3.0

15/3.0

Steel

6/3.4

12/3.0

15/3.0

Second inner layer Al

/

/

28/4.0

Second Outer layer Al

/

28/4.0

34/4.0

Outer layer Al

42/3.4

34/4.0

40/4.0

D.C. resistance 20℃Ω/km

0.04500

0.03247

0.02139

Current carrying 70℃A

900

1030

1300

Construction weight kg/km

2841

3705

5264

Type

LGSJK-630

LGSJK-800

LGSJK-1000

LGSJK-1250

LGSJK-1400

Nominal outer diameter of conductor mm

48.0

49.0

51.0

52.0

51.0

Nominal cross section mm²

630

800

1000

1250

1400

Calculated cross section mm²

Al

635.43

813.32

1001.27

1258.99

1399.40

Steel

152.80

152.80

152.80

152.80

134.29

Amount

788.23

966.12

1154.07

1141.79

1533.69

Construction Number diameter mm

Center steel

19/3.20

19/3.20

19/3.20

19/3.20

19/3.00

Inner layer

4/4.55

4/4.60

4/4.55

4/4.60

13/4.50

Second inner layer  Al

4/4.55

4/4.60

4/4.55

18/4.47

19/4.50

Second Outer layer  Al

12/3.70

24/3.80

27/4.30

26/4.47

25/4.50

Outer layer Al

35/3.70

36/3.80

33/4.30

32/4.47

31/4.50

Calculated compositive tensile force KN

244

268

295

332

338

Flexible modulus KN/mm²

68.50

65.20

62.50

60.05

54.68

Wire expansible modulus10/℃

16.80

17.20

18.10

22.50

20.39

D.C. resistance 20℃ Ω/km

0.04704

0.03654

0.02956

0.02314

0.02121

Current carrying 70℃ A

820

940

1040

1150

1280

Construction weight kg/km

3039

3529

4051

4724

4970