Copper or Aluminum Fiberglass Covered Wire for Generators
Fiberglass covered wire
Fiberglass covered wire is a kind of winding wire,first, the ectrical round aluminum rod is extruded or drawed
into high quality aluminium conductor,then it is wrapped by the fiberglass,then it is insulated by the varnish and dried.They are mainly used in dry-type transformers,motors and generators coil.
Size:
Rectangular size: a:1.0mm-5.0mm &b:3.0mm-16mm
Round Size: 1-5mm
Materials of Conductor:
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.
Materials of insulation:
Polymide film and Glass Fibre
Name |
Double Layer Fiber Glass Covered copper Wire |
|||
Model |
GLELB-40/155 |
|||
Diameter |
4mm*6mm |
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Standard |
GB/T7672.3-2008 |
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Test Item |
Unit |
Technical Requirement |
Test Result |
|
Appearance |
|
Uniform color, no Impact of defects |
Ok |
|
Bare Conductor |
a |
mm |
±0.05 |
3.98 |
b |
mm |
±0.05 |
5.98 |
|
Thickness of insulation film |
mm |
0.32-0.40-0.48 |
0.41 |
|
resistance |
Ω/m |
≤0.02785 |
0.02774 |
|
Elongation |
|
≥17 |
31% |
|
adhesion |
|
10% No cracking |
no cracking |
|
Breakdown Voltage |
V |
560V |
910,850,830,900 |
|
Bending test |
|
a and b winding |
15b, 10a, no crack |
|
package |
|
Meet the export standards |
Ok |
|
Quality Control Result |
|
Ok |
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