1.Uses: |
This product is suitable for oil-immersed transformers and other similar electrical appliances windings.
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2.Model
New Models |
Name |
ZB |
Paper Covered Flat Copper Wires |
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3.Production Range: |
a边0.80mm-5.60mm b边2.00mm-16.00mm |
5. Implementation Standards: |
GB/T7673-2008 |
5.Main Technical Requirements: |
Project Name |
Technical Requirements |
Test Method |
Conductor sizes and radiuses |
Complying with GB / T 7095.1 standard |
GB/T 4074.2 |
radiuses |
Insulation thickness
|
Insulation thickness A |
Deviation % |
GB/T 4074.2 |
≤0.20 |
-10 |
0.50<A<1.25 |
-7.5 |
>1.25 |
-5 |
DC Resistance
|
The per unit length of DC resistance R20 of conductors at 20 ℃ should comply with Article 5 of GB7095.1 standard.
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GB/T 3048.2 |
Elongation
|
Nominal Size |
Elongation % |
GB/T 4074.3 |
a≤2.50 |
≥30 |
a>2.50 |
≥32 |
Flexibility/Adhesion |
Determined through negotiations between supplying and demanding parties
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GB/T 4074.3 |
Springback Angle |
The springback angle of paper cover flat copper wires should not exceed 5°. |
GB/T 4074.3 |
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