Insulation Paper Winding Wire
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Paper-insulated magnet wire, also known as paper-covered wire, Paper-insulated Magnet Wire,Paper-covered Winding Wire is a type of electromagnetic wire widely used in electrical applications.
Conductive Core:Aluminum / Copper
Insulation Paper Types:NOMEX Paper / Kraft Paper
Forms:Round / Flat (Rectangular)
Name:Insulation Paper Winding Wire
Dimension:
- Copper Flat Wire:a: 0.90-5.60mm b: 2.00-16.00mm
- Aluminum Rectangular Wire:Thickness(a): 1.0~8.0mm; Width(b): 3.0~25.0mm
Insulation Paper type:Kraft electrical paper / Nomex paper / HPI-Green / Mark paper etc.
Insulation thickness:Single, double or according to your requirement
Standard:IEC,NEMA,GB,JIS
Packing:30kg~150kg Poly-wooden spool, can custom the packagingof wires
Application:Oil-immersed transformer windings; medium and large substation
Paper-insulated flat wires are manufactured as individual conductor or as multi-conductor (twin or triple). Technical specification should be according to IEC60317-27, GB/T7673
Material
Conductor material is used according to GB/T5584 or DIN EN 13601. Cu-ETP or Cu-OF are used predominantly and if requested, can be delivered with increase strength.
conductor can be bare rectangle copper or enamel rectangle copper or bare rectangular aluminum
| CPR1 | Rp0.2 ≤ 180N/mm2 | tolerance 0 +20% |
| CPR2 | 180 < Rp0.2 ≤ 220N/mm2 | tolerance 0 +20% |
| CPR3 | 220 < Rp0.2 ≤ 260N/mm2 | tolerance 0 +20% |
Insulated Paper
We can manufacture with basically any type of insulated paper available such as: Cellulose paper, compound paper, paper with adhesive coating. Kraft paper
Wrapping Method
In order to meet different customer and application demands, we can use different
wrapping methods according to the paper insulation layer construction.
Method 1: Butt-wound Wrapping
Method 2: Overlapped Wrapping
Method 3: Interlocked Wrapping
| Number of Wire | Specification/mm | Inner Insulated Layer | Conductor Outside Insulated Layer |
| 1 | Width 4.00~18.50 | 3×4 layers | |
| Thickness 1.00~10.00 | |||
| 2 | Width 4.00-18.50 | 4 layers | 3×4 layers |
| Thickness 1.00-4.00 | |||
| 3 | Width 4.00~18.50 | 4 layers | 3×4 layers |
Advantages of Insulation Paper winding wire
Insulating Paper: The insulation provided by high-grade paper which offers excellent dielectric properties. This ensures effective protection against electrical conductivity and minimizes the risk of short circuits.
Thermal Stability: Paper insulation provides good thermal stability, making paper-covered wire suitable for applications where temperature variations are a concern. This feature contributes to the wire's reliability and longevity.
Flexibility: Robust construction and certain flexibility are advantageous during installation processes and when the wire is subjected to bending or winding within electrical components.
Winding Efficiency: The smooth surface of the paper insulation facilitates efficient winding during the manufacturing process. This results in coils with uniform layers, optimizing the performance of electromagnetic components such as transformers and inductors.
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