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Optical fiber composite overhead ground wire (OPGW-layer twisted type)

Fiber Composite Overhead Ground Wire (OPGW) is a kind of overhead ground wire containing optical fiber. It has multiple functions such as overhead ground wire and optical communication. It is mainly used for communication lines of 110kV, 220kV, 500kV, 750k∨ and new overhead high-voltage power transmission systems. It can also be used to replace the existing ground wire of the old overhead high-voltage power transmission system, increase optical communication lines, conduct short-circuit current and provide anti-lightning protection. Special structures can be customized according to user needs.
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Product description

Features

• Large cable diameter, can design large fiber cores

• Stable structure and high reliability

• Large tensile strength and short-circuit current capacity, which can achieve the best balance of mechanical and electrical performance

• Optimal twisting design to obtain secondary fiber excess length

• Two or three layers of strands can be designed

• Monofilament can be a combination of aluminum-clad steel wire and / or aluminum alloy wire and aluminum wire

 

Fiber characteristics

 

Fiber attenuation

bandwidth

Polarization mode dispersion

@850nm

@1300nm

@1310nm

@1550nm

@850nm

@1300nm

Single fiber

Link value(M=20, Q=0.01%)

G652D

—

—

≤0.35dB/km

≤0.21dB/km

—

—

≤0.20ps/ km

≤0.1ps/ km

G655

—

—

—

≤0.22dB/km

—

—

≤0.20ps/ km

≤0.1ps/ km

50/125μm

≤3.0dB/km

≤1.0dB/km

—

—

≥600MHz.km

≥1200MHz.km

—

—

62.5/125μm

≤3.5dB/km

≤1.0dB/km

—

—

≥200MHz.km

≥600MHz.km

—

—

 

 

Structure and performance parameters

 

Types of

material

Value

 

 

structure

optical fiber

G652D / G655, etc.

2 ~ 144 cores

Protective tube

stainless steel pipe

1.5~6mm

Twisted single wire

Aluminum clad steel / aluminum alloy / aluminum rod

1.5~6mm

Maximum outer diameter

30mm

Maximum cross-sectional area

500mm2

 

 

Mechanical behavior

Meet the standard DL / T 832-2016

Pull force (RTS) (kN)

700

Crushing force (N / 100mm)

3000

Short circuit current capacity (40 ℃ ~ 200 ℃) (kA2s)

2000

Minimum bending radius (dynamic)

20D

Minimum bending radius (static)

15D

Environmental performance

Installation temperature range (℃)

-10~+50

Operating and storage temperature range (℃)

-40~+65

Note: D is the OPGW cable diameter

 

Specific models and technical parameters

Serial number

Technical Parameters

Product number

Optical cable structure

Number of fibers

(core)

Aluminum clad steel

(mm2)

Outer diameter

(Mm)

Unit length Mass

(Kg / km)

Rated breaking force

(KN)

20 ℃ DC resistance

(Ω / km)

Allowable short circuit current capacity

(40-200 ℃ kA2.s）

 

1

OPGW-48B1.3-90- [112;45]

1/2.6/20AS＋4/2.5/20AS＋

11/2.8/20AS，Light unit2/2.5

48

≈90

13.2

≤641

≥112

≤0.98

≥45

 

2

OPGW-48B1.3-90- [57;67]

1/2.6/40AS＋4/2.5/40AS＋

11/2.8/40AS，Light unit2/2.5

48

≈90

13.2

≤457

≥57

≤0.52

≥67

 

3

OPGW-24B1.3-100-[118;50]

1/2.6/20AS＋5/2.5/20AS＋

11/2.8/20AS，Light unit1/2.5

24

≈100

13.2

≤674

≥118

≤0.93

≥50

 

4

OPGW-24B1.3-100-[60;74]

1/2.6/40AS＋5/2.5/40AS＋

11/2.8/40AS，Light unit1/2.5

24

≈100

13.2

≤479

≥60

≤0.49

≥74

 

5

OPGW-24B1.3-110-[133;63]

1/2.6/20AS＋5/2.5/20AS＋

10/3.2/20AS，Light unit1/2.5

24

≈110

14

≤760

≥133

≤0.83

≥63

 

6

OPGW-24B1.3-110-[140;68]

1/2.8/20AS＋5/2.7/20AS＋

11/3.05/20AS，Light unit1/2.6

24

≈110

14.3

≤791

≥140

≤0.80

≥68

 

7

OPGW-24B1.3-110-[67;95]

1/2.9/20AS＋5/2.8/20AS＋

12/2.8/AA，Light unit1/2.7

24

≈37

≈74(AA)

14.1

≤473

≥67

≤0.40

≥95

 

8

OPGW-36B1.3-120-[145;73]

1/3.0/20AS＋5/2.9/20AS＋

12/2.9/20AS，Light unit1/2.8

36

≈120

14.6

≤820

≥145

≤0.77

≥73

 

9

OPGW-36B1.3-120-[95;98]

1/3.0/30AS＋5/2.9/30AS＋

12/2.9/30AS，Light unit1/2.8

36

≈120

14.6

≤700

≥95

≤0.55

≥98

 

10

OPGW-36B1.3-120-[74;110]

1/3.0/40AS＋5/2.9/40AS＋

12/2.9/40AS, 光单元1/2.8

36

≈120

14.6

≤582

≥74

≤0.42

≥110

 

11

OPGW-72B1.3-120-[147;76]

1/3.2/20AS＋4/3.0/20AS＋

12/3.0/20AS, Light unit2/2.9

72

≈120

15.2

≤832

≥147

≤0.76

≥76

 

12

OPGW-72B1.3-120-2[96;101]

1/3.2/30AS＋4/3.0/30AS＋

12/3.0/30AS, Light unit2/2.9

72

≈120

15.2

≤711

≥96

≤0.53

≥101

 

13

OPGW-72B1.3-120-[74;114]

1/3.2/40AS＋4/3.0/40AS＋

12/3.0/40AS, Light unit2/2.9

72

≈120

15.2

≤591

≥74

≤0.40

≥114

 

14

OPGW-36B1.3-130-[155;85]

1/3.2/20AS＋5/3.0/20AS＋

12/3.0/20AS, Light unit1/2.9

36

≈130

15.2

≤879

≥155

≤0.72

≥85

 

15

OPGW-36B1.3-130-[102;114]

1/3.2/30AS＋5/3.0/30AS＋

12/3.0/30AS, Light unit1/2.9

36

≈130

15.2

≤751

≥102

≤0.50

≥114

 

16

OPGW-36B1.3-130-[79;137]

1/3.2/40AS＋5/3.0/40AS＋

12/3.0/40AS, Light unit1/2.9

36

≈130

15.2

≤624

≥79

≤0.40

≥137

 

17

OPGW-36B1.3-140-[175;100]

1/3.3/20AS＋5/3.2/20AS＋

12/3.2/20AS, Light unit1/3.1

36

≈140

16.1

≤995

≥175

≤0.65

≥100

 

18

OPGW-36B1.3-140-[115;140]

1/3.3/30AS＋5/3.2/30AS＋

12/3.2/30AS, Light unit1/3.1

36

≈140

16.1

≤850

≥115

≤0.45

≥140

 

19

OPGW-36B1.3-145-[86;170]

1/3.3/20AS＋5/3.2/20AS＋

12/3.2/AA, Light unit1/3.1

36

≈49

≈96(AA)

16.1

≤611

≥86

≤0.31

≥170

 

20

OPGW-48B1.3-150-[182;123]

1/3.4/20AS＋5/3.3/20AS＋

12/3.3/20AS, Light unit1/3.2

48

≈150

16.6

≤1055

≥182

≤0.60

≥123

 

21

OPGW-48B1.3-150-[122;165]

1/3.4/30AS＋5/3.3/30AS＋

12/3.3/30AS, Light unit1/3.2

48

≈150

16.6

≤901

≥122

≤0.42

≥165

 

22

OPGW-48B1.3-150-[95;195]

1/3.4/40AS＋5/3.3/40AS＋

12/3.3/40AS, Light unit1/3.2

48

≈150

16.6

≤747

≥95

≤0.33

≥195

 

23

OPGW-72B1.3-150-[172;110]

1/3.4/20AS＋4/3.3/20AS＋

12/3.3/20AS, Light unit2/3.2

72

≈150

16.6

≤998

≥172

≤0.64

≥110

 

24

OPGW-72B1.3-150-[116;147]

1/3.4/30AS＋4/3.3/30AS＋

12/3.3/30AS, Light unit2/3.2

72

≈150

16.6

≤853

≥116

≤0.45

≥147

 

25

OPGW-48B1.3-170-[198;150]

1/3.6/20AS＋5/3.5/20AS＋

12/3.5/20AS, Light unit1/3.4

48

≈170

17.6

≤1190

≥198

≤0.54

≥150

 

26

OPGW-72B1.3-170-[199;156]

1/3.8/20AS＋4/3.6/20AS＋

12/3.6/20AS, Light unit2/3.5

72

≈170

18.2

≤1187

≥199

≤0.54

≥156

 

27

OPGW-48B1.3-180-[252;125]

1/3.8/14AS＋5/3.6/14AS＋

12/3.6/14AS, Light unit1/3.5

48

≈180

18.2

≤1372

≥252

≤0.72

≥125

 

28

OPGW-48B1.3-180-[211;175]

1/3.8/20AS＋5/3.6/20AS＋

12/3.6/20AS, Light unit1/3.5

48

≈180

18.2

≤1255

≥211

≤0.50

≥175

 

29

OPGW-48B1.3-180-[147;234]

1/3.8/30AS＋5/3.6/30AS＋

12/3.6/30AS, Light unit1/3.5

48

≈180

18.2

≤1071

≥147

≤0.35

≥234

 

30

OPGW-48B1.3-180-[113,262]

1/3.8/40AS＋5/3.6/40AS＋

12/3.6/40AS, Light unit1/3.5

48

≈180

18.2

≤888

≥113

≤0.28

≥262

 

31

 

OPGW-48B1.3-235-[268;243.4]

1/2.7/20AS＋4/2.5/20AS＋

12/2.5/20AS+13/3.8/20AS,

Light unit1/3.5

 

48

 

≈235

 

20.3

 

≤1594

 

≥268

 

≤0.38

 

≥243.4adw

 

Mechanical and environmental performance testing

project

Test Methods

Acceptance Criteria

 

 

pull

GB/T 7424.2-E1

Load: change according to the structure of optical cable Sample length: not less than 10m; link not less than 100m Duration: 1min

 

40% RTS fiber has no obvious strain (0.01%), and the fiber has no significant additional attenuation (0.03dB).

60% RTS fiber strain ≤0.25%, fiber additional attenuation ≤0.05dB (after the tension is cancelled, the fiber has no significant residual additional attenuation (0.03dB)).

 

Squash

GB/T 7424.2-E3

Load: According to the above table, test 3 points Duration: 10min

 

After the test, the additional attenuation of the single-mode fiber at the wavelength of 1550nm should not be greater than 0.05dB / fiber, and OPGW has no mechanical damage.

 

 

Seepage

GB/T 7424.2-F5

Time: 1 hour Sample length: 0.5m Water height: 1m

 

Impervious to water.

 

 

 

Temperature cycling

GB/T 7424.2-F1

Sample length: not less than 500m Temperature range: -40 ℃ ~ + 70 ℃ Number of cycles: 2 Holding time: not less than 12h

 

After the test, the additional attenuation of the single-mode fiber at a wavelength of 1550 nm should not be greater than 0.1 dB.
 
Keyword:
24 core opgw cable
24 core opgw optical fiber cable
2.5mm electric cable
wire and cable
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