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Telephone Cable Paper Wire

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Telephone Cable Paper covered insulated aluminium wire
 
Product Details:
Product Name:  Telephone Paper Covered Aluminium wire
Products: Paper covered wire  by Electrical Aluminium Pole extrusion die by a certain size or drawn wire after annealing, and then in the aluminum conductor wrapped more than two or two insulating paper (including paper, telephone, cable paper, high voltage cable paper, turn insulation paper) of the winding wire, suitable for oil-immersed transformers and other electrical winding with a similar wire. Produced by the extrusion process electrical bare aluminum wire is wrapped production of the cable wire is the best material.



Production Range :
1.Telephone Cable Paper covered Flat Aluminum wire
 Thickness: 1mm--7mm
 Width: 3.0--20mm
2.Telephone Cable Paper covered Round Aluminum wire
 Diameter: 1.9mm--10.0mm
If required special size, please contact us.
 
Standard : IEC,NEMA,GB, JIS
Package : 30kg/50kg/150kg wooden spool or according to customers requirements
 
Cable wrapped round (flat) line of insulation thickness shall conform to the following requirements or the provisions negotiated by the supply and demand :
Paper covered round wire cable unit: m
Nominal diameter of 1.000 ≤ d ≤ 5.00
Nominal Insulation Thickness (mm) 0.30 0.45 0.80 1.20 1.80 4.25
Tolerance (mm) ± 0.05 ± 0.05 ± 0.10 ± 0.12 ± 0.15 ± 0.30
Note: between the thickness between the two specifications, taking the deviation of the corresponding large size.
Material:
Aluminium flat wire shall comply with the provisions of GB5584.3-2009, 20 °C when the resistivity is not more than 0.0280Ωmm2 / m.
 
Curved line telephone cable wrapped round wire wrapped cable unit standard: mm
Insulation Thickness / mm diameter test rod experiments
0.30 ≤ σ ≤ 0.80 winding 100
1.20 ≤ σ ≤ 4.25 150
Wrapped flat wire cable unit: mm
Insulation Thickness / mm diameter test rod experiments
0.30 ≤ σ ≤ 0.80 broadside bending 150
1.20 ≤ σ ≤ 4.25 200 

 
Product Name and Type

Product Name Type Product Name Type
Telephone Cable Paper covered round copper wire strip Z Telephone Cable Paper covered flat 
copper wire strip
ZB
Telephone Cable Paper covered round aluminum wire strip ZL Telephone Cable Paper covered flat 
aluminum wire strip
ZLB
500KV transformer interturn insulation Telephone Cable Paper
 covered round copper wire
ZA 500KV transformer interturn insulation 
Telephone Cable Paper covered flat 
copper wire
ZAB
500KV transformer interturn insulation Telephone Cable Paper
 covered round aluminum wire strip
ZAL 500KV transformer interturn insulation 
Telephone Cable Paper covered flat 
aluminum wire strip
ZALB

Standard:
Project Name Standard Test tool
Conductor size and R corner radius Follow standard of GB/T7673.1-87 Micrometer and R type
Bend The specimen is not cracked, no crack, 
no obvious sticking out of the Telephone Cable Paper, 
according to the standard curve.
Experimental round rod and 
flat wire bending apparatus
 
Telephone Cable Paper Covered Round Wire Insulation Thickness
Standard Insulation Thickness(mm) 0.3 0.45 0.80 1.20 1.80 4.25
Tolerance(mm) ±0.05 ±0.05 ±0.10 ±0.12 ±0.15 ±0.30
Telephone Cable Paper Covered Flat Wire Insulation Thickness
Standard Insulation Thickness(mm) 0.45 0.60 0.95 1.35 1.60 1.95 2.45 2.95
Maximum Insulation Thickness(A-a) 0.57 0.74 1.14 1.56 1.84 2.23 2.77 3.32
Minimum Insulation Thickness(B-b) 0.40 0.53 0.85 1.20 1.45 1.80 2.30 2.75
 
 
Application of Telephone Cable Paper covered aluminum wire :
 
Telephone Cable Paper covered aluminum wire is used in oil-immersed transformer and other similar electrical coil windings.
 
Specifications :
 
Telephone Cable Papers are applied with butt intercalation in the following manners :
*2 Telephone Cable Papers- double butt intercalation- advanced 40-60%.
*3 Telephone Cable Papers- triple butt intercalation-advance 28-38%.
 
Telephone Cable Papers are lapped in the following manners :
*One Telephone Cable Paper applied with 47-49% overlap-equivalent to 2 Telephone Cable Papers.
* One Telephone Cable Paper applied with 64-66% overlap-equivalent to 3 Telephone Cable Papers.
*Two Telephone Cable Papers each applied in one of the above manners.
 
Note: If the maximum dimensions do not exceed the maximum size conductor with the specified maximum insulation thickness, insulation thickness allowed to exceed the specified value.




 

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