Dongguan Guanhong Optical Cable Co., Ltd.
Dongguan Guanhong Optical Cable Co., Ltd. FIBERPLAN--THE WAY OF COMMUNICATION,
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Reinforced With Aramid Yarn For Enhanced Tensile Strength ADSS
Description
The ADSS (All-Dielectric Self-Supporting) cable follows a construction sequence where fibers are housed
within a high modulus plastic loose tube and filled with a water-resistant compound. These tubes, along with
fillers, encircle a Fiber Reinforced Plastic (FRP) core, shaping a dense, circular cable core. Post-filling, a thin
PE (polyethylene) inner sheath is added to shield the core. Strengthening further, a layer of aramid yarns is
stranded over the inner sheath. Finally, the cable is finished with either a PE or AT (anti-tracking) outer sheath,
completing its construction.
Application
1 Consideration of Overhead Power Line Status: The design of the ADSS cable takes into full account the
actual condition and specifics of overhead power lines, ensuring compatibility and suitability.
2 Sheathing for Power Lines Below 110kV: ADSS cables intended for power lines under 110kV incorporate a
PE outer sheath, tailored to meet the requirements of these lower voltage lines.
3 Sheathing for Power Lines at or Above 110kV: Higher voltage power lines, equal to or exceeding 110kV, are
equipped with an AT (anti-tracking) outer sheath, providing enhanced insulation and protection against elec-
trical tracking.
4 Aramid Design for Varied Spans: The quantity of aramid and the stranding process are meticulously designed
to meet the demands posed by different spans, ensuring the cable's strength and reliability across varying dis-
tances.
Characteristics
1 ADSS cable design is customized to align with the current conditions of overhead power lines.
2 PE outer sheath is used for power lines below 110kV.
3 AT outer sheath is utilized for power lines at or above 110kV.
4 Tailored aramid quantity and stranding methods meet diverse span requirements effectively.
Cable construction details
| Number of fiber | 24-144 core | |||||||
| Filling rope | 2.0mm | |||||||
| Moisture Barrier | Water blocking system | |||||||
| Central strength member | material | FRP/FRP with PE | ||||||
| size | 2.1mm | |||||||
| Tube-filling | Tube filling compound | |||||||
| filler | PP tube/ PVC tube | |||||||
| Inner sheath | material | PE | ||||||
| Loose tube | material | PBT | ||||||
| diameter | Ф2.2mm(outer/inner) | |||||||
| Outer sheath | material | PE/HDPE | ||||||
| diameter | 11±0.2mm | |||||||
Fiber color
| Number of fiber 8 cores per tube | 1 | 2 | 3 | 4 | 5 | 6 |
| Blue | Orange | Green | Brown | Grey | White | |
| 7 | 8 | 9 | 10 | 11 | 12 | |
| Red | Black | Yellow | Violet | Pink | Aqua | |
| Color 13~24 will be marked with a black tracer. For black color no need marked black tracer, will use nature color instead. | ||||||
Cable Mechanical characteristic
| core | Cable diameter | Weight | |||||
| 2 core to 60core | 12±0.2mm | 140±3kg/km | |||||
| 72core | 13±0.2mm | 190±3kg/km | |||||
| 96core | 14.5±0.2mm | 220±3kg/km | |||||
| 144core | 16.5±0.2mm | 240±3kg/km | |||||
| Rec.daily max working tension | 88kN | ||||||
| Max. Allowable working tension | 32.7KN | ||||||
| Modulus of elasticity | 37KN/mm2 | ||||||
| Min Bending Radius(mm) | Operation | 240mm | |||||
| Installation | 390mm | ||||||
| Extra load | Extra load 0.5% ~ 0.7% | ||||||
| Ice | 5mm | ||||||
| Wind speed | 35m/s | ||||||
Fiber characteristic
| Fiber style | Unit | SM G652 | SM G652D | MM 50/125 | MM 62.5/125 | MM OM3-300 | |
| condition | nm | 1310/1550 | 1310/1550 | 850/1300 | 850/1300 | 850/1300 | |
| attenuation | dB/km | ≤ | ≤ | ≤ | ≤3.0/1.0 | ≤3.0/1.0 | |
| 0.36/0.23 | 0.34/0.22 | 3.0/1.0 | ---- | ---- | |||
| Dispresion | 1550nm | Ps/(nm*km) | ---- | ≤18 | ---- | ---- | Dispresion |
| 1625nm | Ps/(nm*km) | ---- | ≤22 | ---- | ---- | ||
| Bandwith | 850nm | MHZ.KM | ---- | ---- | ≧400 | ≧160 | Bandwith |
| 1300nm | MHZ.KM | ---- | ---- | ≧800 | ≧500 | ||
| Zero dispersion wavelength | nm | 1300-1324 | ≧1302, ≤1322 | ---- | ---- | ≧ 1295, ≤1320 | |
| Zero dispresion slope | nm | ≤0.092 | ≤0.091 | ---- | ---- | ---- | |
| PMD Maximum Individual Fibr | ≤0.2 | ≤0.2 | ---- | ---- | ≤0.11 | ||
| PMD Design Link Value | Ps(nm2*k m) | ≤0.12 | ≤0.08 | ---- | ---- | ---- | |
| Fibre cutoff wavelength λc | nm | ≧ 1180, ≤1330 | ≧1180, ≤1330 | ---- | ---- | ---- | |
| Cable sutoff wavelength λcc | nm | ≤1260 | ≤1260 | ---- | ---- | ---- | |
| MFD | 1310nm | um | 9.2±0.4 | 9.2±0.4 | ---- | ---- | ---- |
| 1550nm | um | 10.4±0.8 | 10.4±0.8 | ---- | ---- | ---- | |
| Numerical Aperture(NA) | ---- | ---- | 0.200±0.015 | 0.275±0. 015 | 0.200±0 .015 | ||
| Step(mean of bidirectional measurement) | dB | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.10 | ≤0.10 | |
| Irregularities over fiber length and point | dB | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.10 | ≤0.10 | |
| Dicontinuity | |||||||
| Difference backscatter coefficient | dB/km | ≤0.05 | ≤0.03 | ≤0.08 | ≤0.10 | ≤0.08 | |
| Attenuation uniformity | dB/km | ≤0.01 | ≤0.01 | ||||
| Core dimater | um | 50±1.0 | 62.5±2.5 | 50±1.0 | |||
| Cladding diameter | um | 125.0±0.1 | 125.0±0.1 | 125.0±0.1 | 125.0±0.1 | 125.0±0.1 | |
| Cladding non-circularity | % | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | |
| Coating diameter | um | 242±7 | 242±7 | 242±7 | 242±7 | 242±7 | |
| Coating/chaffinch concentrically error | um | ≤12.0 | ≤12.0 | ≤12.0 | ≤12.0 | ≤12.0 | |
| Coating non circularity | % | ≤6.0 | ≤6.0 | ≤6.0 | ≤6.0 | ≤6.0 | |
| Core/cladding conentricity error | um | ≤0.6 | ≤0.6 | ≤1.5 | ≤1.5 | ≤1.5 | |
| Curl(radius) | um | ≤4 | ≤4 | ---- | ---- | ---- | |
