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  • Optical Fiber Composite Overhead Ground Wire(OPGW)

Optical Fiber Composite Overhead Ground Wire(OPGW)

Optical fiber composite overhead ground wire(OPGW)

1. Application

OPGW is mainly applied in communication line of newly constructed high voltage transmit electricity system with 35 KV

or above, or replacement of existing ground wire of previous overhead high voltage transmit electricity system, adding

of communication lines and conduction of short-circuit current or provision of anti-lightning protection.

2. Advantage

☀ Diameter of the cable is small with a low additional load to the pole and tower.

☀ Design of stainless steel tube is reasonable and excess lengths of the fiber is correct.

☀ Stainless steel tube protects the fiber with powerful tensile strength.

☀ Optical unit of the stainless steel tube is the interlayer of the cable and it can resist twist and has good lateral pressure performance.

☀ With good safety performance and strong shooting resistance performance, not easy to be stolen

☀ Different armor combinations or meeting different combinations of electrical and mechanical property.

3. Section Diagram

OPGW cable has two constructions:

Central loose tube type---The fibers is placed loosely in a sealed and water resistant stainless steel tube filled with water blocking

gel. This tube provides protection to the fiber during installation and operation under severe environmental conditions. Aluminium

layer over the tube is optional. The stainless optical tube is located at the center of the cable protected by single or multiple layers

of aluminium clad steel and aluminium annoy wires. The aluminium clad steel wires are shaped trapezoidally around the optical

unit to provide compact construction. The metallic wires provide mechanical strength to withstand severe installation and operating

conditions, while achieving conductivity to control temperature rise during short circuit conditions.

This type can accommodate up to 48 fibers in a cable. Despite such a high fiber count in a single tube, each optical fiber is clearly

distinguishable utilizing a fiber identification system consisting of coloring and the number of ring marks on it. This compact design

features high mechanical strength and fault current rating within a smaller diameter. The smaller diameter also results in excellent sag

tension performance.

Multi loose tube type--- The fibers is placed loosely in a sealed and water resistant stainless steel tube filled with water blocking gel.

Two or three stainless steel optical tubes are helically stranded in the inner layer of a multiple-layer cable.
The multi loose tube type is designed mostly for very high fiber count requirement over 48 with the maximum fiber count reaching 144.

The multi loose tube type can meet the requirement of huge cross and large current capacity.

Construction:

6081576549139981.jpg-324157654916682.jpg

4. Standard

IEEE 1138

5. Packing

Iron wooden drum

6. Technical Specification

Central loose tube type:

Model

Structure(No.of wires*diameter/conductivity)

Cross section

Diameter

Unit weight

Rated breaking force

DC resistance

Short circuit current capacity

Central optical unit

Outer layer

Aluminum clad steel wire

Total

mm2

mm2

mm

Kg/km

KN

Ω/km

KA2S

OPGW-24B1-42[54;8.4]

1x3.0/24B1

6x3.0/20AS

42.41

42

9

309

54

2.03

8.4

OPGW-24B1-42[43.5;10.6]

6x3.0/27AS

42.41

42

9

281

43.5

1.53

10.6

OPGW-24B1-42[35.5;11.5]

6x3.0/30AS

42.41

42

9

268

35.5

1.37

11.5

OPGW-30B1-48[61.4;10.9]

1x3.2/30B1

6x3.0/20AS

48.25

48

9.6

348

61.4

1.78

10.9

OPGW-30B1-48[49.5;13.7]

6x3.0/27AS

48.25

45

9.6

315

49.5

1.34

13.7

OPGW-30B1-48[40.3;14.9]

6x3.0/30AS

48.25

48

9.6

3.1

40.3

1.21

14.9

OPGW-30B1-51[63.9;12.3]

1x3.3/30B1

6x3.3/20AS

51.32

51

9.9

368

63.9

1.68

12.3

OPGW-30B1-51[52.7;15.5]

6x3.3/27AS

51.32

51

9.9

333

52.7

1.26

15.5

OPGW-30B1-51[42.9;16.8]

6x3.3/30AS

51.32

51

9.9

318

42.9

1.14

16.8

OPGW-30B1-51[33.2;20.8]

6x3.3/40AS

51.32

51

9.9

268

33.2

0.85

20.8

OPGW-36B1-54[67.8;13.9]

1x3.4/36B1

6x3.4/20AS

54.48

54

10.2

389

67.8

1.58

13.9

OPGW-36B1-54[55.9;17.5]

6x3.4/27AS

54.48

54

10.2

352

55.9

1.19

17.5

OPGW-36B1-54[45.5;19]

6x3.4/30AS

54.48

54

10.2

336

45.5

1.07

19

OPGW-36B1-54[35.2;23.4]

6x3.4/40AS

54.48

54

10.2

283

35.2

0.8

23.4

OPGW-40B1-58[69.6;15.6]

1x3.5/40B1

6x3.5/20AS

57.73

58

10.5

410

69.6

1.49

15.6

OPGW-40B1-58[59.2;19.6]

6x3.5/27AS

57.73

58

10.5

371

59.2

1.12

19.6

OPGW-40B1-58[48.3;21.3]

6x3.5/30AS

57.73

58

10.5

354

48.3

1.01

21.3

OPGW-40B1-58[37.3;26.3]

6x3.5/40AS

57.73

58

10.5

298

37.3

0.76

26.3

OPGW-48B1-61[73.7;17.5]

1x3.6/48B1

6x3.6/20AS

61.07

61

10.8

432

73.7

1.41

17.5

OPGW-48B1-61[62.7;22]

6x3.6/27AS

61.07

61

10.8

391

62.7

1.06

22

OPGW-48B1-61[51.1;23.8]

6x3.6/30AS

61.07

61

10.8

373

51.1

0.95

23.8

OPGW-48B1-61[39.5;29.5]

6x3.6/40AS

61.07

61

10.8

313

39.5

0.72

29.5

OPGW-50B1-65[76.6;19.5]

1x3.7/50B1

6x3.7/20AS

64.51

65

11.1

455

76.6

1.33

19.5

OPGW-50B1-65[66.2;24.5]

6x3.7/27AS

64.51

65

11.1

411

66.2

1

24.5

OPGW-50B1-65[53.9;26.6]

6x3.7/30AS

64.51

65

11.1

392

53.9

0.9

26.6

OPGW-50B1-65[41.7;32.9]

6x3.7/40AS

64.51

65

11.1

329

41.7

0.68

32.9

OPGW-54B1-68[80.8;21.7]

1x3.8/54B1

6x3.8/20AS

68.05

68

11.4

478

80.8

1.26

21.7

OPGW-54B1-68[69.8;27.3]

6x3.8/27AS

68.05

68

11.4

432

69.8

0.95

27.3

OPGW-54B1-68[56.9;29.6]

6x3.8/30AS

68.05

68

11.4

412

56.9

0.86

29.6

OPGW-54B1-68[44;36.6]

6x3.8/40AS

68.05

68

11.4

346

44

0.64

36.6

OPGW-60B1-75[86.7;26.6]

1x4.0/60B1

6x4.0/20AS

75.4

75

12

527

86.7

1.14

26.6

OPGW-60B1-75[77.4;33.5]

6x4.0/27AS

75.4

75

12

476

77.4

0.86

33.5

OPGW-60B1-75[63;36.3]

6x4.0/30AS

75.4

75

12

453

63

0.77

36.3

OPGW-60B1-75[48.7;44.9]

6x4.0/40AS

75.4

75

12

380

48.7

0.58

44.9

Multi loose tube type:

Model

Structure(No.of wires*diameter/conductivity)

Cross section

Diameter

Unit weight

Rated breaking force

DC resistance

Short circuit current capacity

Centre layer

Inner layer

Central optical unit

Outer layer

AA

Aluminum clad steel wire

Total

mm2

mm2

mm2

mm

Kg/km

KN

Ω/km

KA2S

OPGW-24B1-103[103;62.5]

1x2.5/27AS

5x2.4/27AS

1x2.4/24B1

10x3.1/27AS

0

103

103

13.5

640

105.7

0.63

62.5

OPGW-24B1-103[103;75.9]

1x2.5/20AS

5x2.4/20AS

10x3.1/40AS

0

103

103

13.5

552

83.8

0.49

75.9

OPGW-24B1-103[103;87.4]

1x2.5/20AS

5x2.4/20AS

10x3.1/AA

75.5

27.5

103

13.5

405

57.3

0.39

87.4

OPGW-24B1-89[89;46.4]

1x2.6/27AS

5x2.5/27AS

1x2.5/24B1

12x2.5/27AS

0

88.8

89

12.6

545

91.1

0.73

46.4

OPGW-24B1-89[89;50.3]

1x2.6/30AS

5x2.5/30AS

12x2.5/30AS

0

88.8

89

12.6

518

74.2

0.66

50.3

OPGW-24B1-89[89;62.9]

1x2.6/20AS

5x2.5/20AS

12x2.5/AA

58.9

29.9

89

12.6

376

55.4

0.47

62.9

OPGW-24B1-98[98;60.9]

1x2.6/30AS

5x2.5/30AS

1x2.5/24B1

11x2.8/30AS

0

97.6

98

13.2

567

81.6

0.6

60.9

OPGW-24B1-98[98;77.1]

1x2.6/20AS

5x2.5/20AS

11x2.8/AA

67.7

29.9

98

13.2

371

58

0.42

77.1

OPGW-24B1-110[110;71.7]

1x2.6/27AS

5x2.5/27AS

1x2.5/24B1

10x3.2/27AS

0

110.3

110

14

672

113.1

0.59

71.7

OPGW-24B1-110[110;77.7]

1x2.6/30AS

5x2.5/30AS

10x3.2/30AS

0

110.3

110

14

639

92.2

0.53

77.7

OPGW-24B1-110[110;86.9]

1x2.6/20AS

5x2.5/20AS

10x3.2/40AS

0

110.3

110

14

590

90

0.46

86.9

OPGW-24B1-110[110;100]

1x2.6/20AS

5x2.5/20AS

10x3.2/AA

80.4

29.9

110

14

434

61.7

0.36

100

OPGW-28B1-112[112;80.6]

1x2.75/30AS

5x2.7/30AS

1x2.7/28B1

11x3.0/30AS

0

112.3

112

14.15

650

93.9

0.52

80.6

OPGW-28B1-112[112;88.7]

1x2.75/20AS

5x2.7/20AS

11x3.0/40AS

0

112.3

112

14.15

609

94.2

0.46

88.7

OPGW-28B1-112[112;102.1]

1x2.75/20AS

5x2.7/20AS

11x3.0/AA

77.8

34.6

112

14.15

458

66.9

0.36

102.1

OPGW-28B1-103[103;68.4]

1x2.8/30AS

5x2.7/30AS

1x2.7/28B1

12x2.7/30AS

0

103.5

103

13.6

601

86.5

0.56

68.4

OPGW-28B1-103[103;85.6]

1x2.8/20AS

5x2.7/20AS

12x2.7/AA

68.7

34.8

103

13.6

435

64.6

0.4

85.6

OPGW-28B1-131[131;110]

1x2.85/30AS

5x2.7/30AS

1x2.7/28B1

10x3.5/30AS

0

131.2

131

15.25

756

109.7

0.45

110

OPGW-28B1-131[131;123.2]

1x2.85/20AS

5x2.7/20AS

10x3.5/40AS

0

131.2

131

15.25

697

106.7

0.39

123.2

OPGW-28B1-131[131;141.8]

1x2.85/20AS

5x2.7/20AS

10x3.5/AA

96.2

35

131

15.25

511

72.9

0.3

141.8

OPGW-28B1-120[120;92.3]

1x2.85/30AS

5x2.8/30AS

1x2.7/28B1

11x3.1/30AS

0

120.2

120

14.65

706

100.5

0.49

92.3

OPGW-28B1-120[120;114.1]

1x2.85/40AS

5x2.8/40AS

11x3.1/40AS

0

120.2

120

14.65

587

77.6

0.36

114.1

OPGW-28B1-120[120;116.8]

1x2.85/20AS

5x2.8/20AS

11x3.1/AA

23

37.2

120

14.65

497

71.8

0.34

116.8



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