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ADSS

All Dielectric Self-supporting Aerial Cable (ADSS)

Description

ADSS cable is loose tube stranded. Fibres, 250μm, are positioned into a loose tube made of high modulus plastics. The tubes are filled with a water-resistant filling compound. The tubes (and fillers) are stranded around a FRP (Fibre Reinforced Plastic) as a non-metallic central strength member into a compact and circular cable core. After the cable core is filled with filling compound, it is covered with thin PE (polyethylene) inner sheath. After stranded layer of aramid yarns are applied over the inner sheath as strength member, the cable is completed with PE or AT (anti-tracking) outer sheath.

    Characteristics

    Can be installed without shutting off the power

    Excellent AT performance. The maximum inductive at the operating point of AT sheath can reach 25kv

    Light weight and small diameter reducing the load caused by ice and wind and the load on towers and backprop

    Large span lengths and the largest span is over 1000m

    Good performance of tensile strength and temperature

    The design life span is over 30 years

    Application

    The actual status of overhead power lines is taken into full consideration when ADSS cable is being designed. For overhead power lines under 110kV, PE outer sheath is applied. For power lines equal to or over 110kV, AT outer sheath is applied. Th dedicate design of aramid quantity and stranding process can satisfy the demand on various spans.

    Standards

    ADSS cable complies with Standard IEEE 1222 as well as IEC 60794-1.

    Structure Drawing 

    1.FRP Strength Member

    2.Fibre

    3.Tube Filling Compound

    4.Loose Tube

    5.Cable Filling Compound

    6.PE Inner Sheath

    7.Aramid Yarn

    8.PE/AT Outer Sheath

    Technical Parameters

    Ref. Outer Diameter

    (mm)

    Ref. Weight(kg/km)

    Rec. Daily Max. Working Tension

    (kN)

    Max Allowable Working Tension

    (kN)

    Break Strength

    (kN)

    Strenght Member

    CSA
    (mm2)

    Modulus of Elasticity
    (kN/mm2)

    Heat Expansion Coefficient

    ×10-6/K

    Suitable Span(m)
    (NESC Standard, m)

    (m)

    PE Sheath

    AT Sheath

    A

    B

    C

    D

    11.8

    117

    124

    1.5

    4

    10

    4.6

    7.6

    1.8

    160

    100

    140

    100

    12.0

    121

    129

    2.25

    6

    15

    7.6

    8.3

    1.5

    230

    150

    200

    150

    12.3

    126

    134

    3.0

    8

    20

    10.35

    9.45

    1.3

    300

    200

    290

    200

    12.6

    133

    141

    3.6

    10

    24

    13.8

    10.8

    1.2

    370

    250

    350

    250

    12.8

    138

    145

    4.5

    12

    30

    14.3

    11.8

    1.0

    420

    280

    400

    280

    13.1

    145

    153

    5.4

    15

    36

    18.4

    13.6

    0.9

    480

    320

    460

    320

    13.5

    155

    163

    6.75

    18

    45

    22.0

    16.4

    0.6

    570

    380

    550

    380

    13.8

    163

    171

    7.95

    22

    53

    26.4

    18.0

    0.3

    670

    460

    650

    460

    14.4

    177

    186

    9.0

    26

    60

    32.2

    19.1

    0.1

    750

    530

    750

    510

    14.6

    182

    191

    10.5

    28

    70

    33.0

    19.6

    0.1

    800

    560

    800

    560

    14.8

    195

    204

    12.75

    34

    85

    40.0

    20.1

    0.1

    880

    650

    880

    650

     

    Storage/Operating Temperature: -40℃-+70℃

    Optical Characteristics

    Type of Fiber

    Attenuation(+20℃)

    Bandwidth

    Numerical aperture

    Optical cable cut-off wavelength

    @850nm

    @1300nm

    @1310nm

    @1550nm

    @850nm

    @1300nm

    G.652

    ---

    ---

    ≤0.36dB/km

    ≤0.22dB/km

    ---

    ---

    ---

    ≤1260nm

    G.655

    ---

    ---

    ≤0.40dB/km

    ≤0.23dB/km

    ---

    ---

    ---

    ≤1450nm

    50/125µm

    ≤3.3dB/km

    ≤1.2dB/km

    ---

    ---

    ≥500MHz·km

    ≥500MHz·km

    0.200±0.015 NA

    ---

    62.5/125µm

    ≤3.5dB/km

    ≤1.2dB/km

    ---

    ---

    ≥200MHz·km

    ≥500MHz·km

    0.275±0.015 NA

    ---

     

    Note: 

    a. Only a part of ADSS cables are listed in the table, ADSS cables with other spans can be inquiry form sales people.

    b. Specifications in the table are got on condition that there is no height difference and installation sag is 1%

    c. Fibre count is 2 to 72, the identification of fibres complies with the national standard
     

    Application: Self-supporting Aerial

    Please submit your basic information, we will contact you as soon as possible!

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