Paper Covered Square Aluminium Wire

Paper Covered Square Aluminium Wire

Paper wrapped wires are special materials, It is mainly used for oil immersed Transformer, Reactor, Generator and other electric devices.. The application temperature index after impregnation is 105°C. NOMEX wrapping materials whose temperature index is 200°C are used to produce dry type...

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Paper wrapped wires are special materials, It is mainly used for oil immersed Transformer, Reactor, Generator and other electric devices.. The application temperature index after impregnation is 105°C. NOMEX wrapping materials whose temperature index is 200°C are used to produce dry type transformers, According to the requirements of users, it can apply phone print paper, cable paper, high tension cable paper, interturn insulation paper and Dane release paper, etc.and Dane release paper, etc.  

 

Product Instruction :

Paper wrapped  winding wire is made up of bare from oxygen free copper rod or electrical aluminum rod by drawing or extruding processing and wrapped by insulation materials.paper covered single wire , with insulation wrapping in the outside layer 

 

Product classification
As per Conductor Material:Copper , aluminum 
As per Inner Conductor: Paper wrapped bare  

Insulation thickness:Double paper covered (DPC) orTriple Paper Covered (TPC) ,According to Customer’s requirements   

              

Production Scope
Conductor of Paper wrapped  wire 
Bare wire   Round Wire:Φ1.00mm—Φ5.00mm
Rectangular Wire thickness  a:1.00mm—5.60mm
                                    Width b:2.00mm—16.00mm
Conductor of Composite wires 
Max wrapping layers once: 24 layers for paper covered wire
                                         4 layers per wire and 16 layers outside for composite wires
We could offer products of special requirements on conductor size, insulation layer thickness, or wire number of the composite.

 

Conductor Materials :
Resistivity :Soft copper wire  ≤ 0.017241Ω•mm²/m  at 20°C
Soft aluminum wire  ≤ 0.028000Ω•mm²/m  at 20°C
Proof stress Rp0.2:soft < 100 N/ mm2,Semi-hard 100-300 N/ mm²,
The deviation of Proof stress Rp0.2 could be +0-20 N/ mm².

 





Product name: Paper Covered Aluminum Flat Wire



Specification: 5.00*13.00 mm


Test subject

Technical requirement

Test result

Appearance

Tightness, uniformity, smooth

Qualified

Size

a side

5.00mm+0.05mm

4.97mm

     b side

13.00mm+0.10mm

13.01mm

Radius

1.00mm±25%

Qualified

Film thickness

0.40-0.54 mm

0.47mm

Maximum A side size

5.59mm

5.45 mm

Wrapping

Overlapping

   >2.0mm

3.0mm

Gap

<  2.0mm

----

Elongation

>  17%

31%

Resilience

< 5º

----

Flexibility & adhesiveness

No crack,no rip

Qualified

Conductor resistance(20º C)

≤0.0004806 Ω/m

0.0004291Ω/m

Appraisal result

Qualified

Remark


 

Insulation Materials:
Wrapping materials:  Power Cable Paper, High Density Insulation Paper, heat-resistant insulating paper, clupak paper, Nomex 410, all kinds of self-adhesive paper and other special insulation materials


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