Paper wrapped winding wire
The products are used in the windings of a variety of oil-immersed transformers, reactors and other electrical equipments.
Types and models of product
| Types of Product | Model |
| Paper wrapped round copper(aluminum)wire | Z(L) |
| Paper wrapped rectangular copper(aluminum) wire | Z(L)B |
| Paper insulated combined conductor | ZZB |
| Paper insulated enameled rectangular copper wire | ZBQQ |
| Paper insulated epoxy combined conductor | ZZBQQN |
| Film covered round copper(aluminum) wire | M(L) |
| Film covered rectangular copper (aluminum) wire | M(L)B |
Technical Parameter
|
Conductor Dimension (mm) |
a: 0.80≤a≤10.00 b: 3.00≤b≤24.00 φ: 1.00≤d≤10.00 |
Insulation Thickness (mm) |
0.30～5.95 | |
| Paper Layers | Max. 24 layers paper wrapping one time | |||
| Combination | Strands of Combination | ≤8 | ||
| Ways of Combining | Radial side combining | |||
| Axial side combining | ||||
| Cross type combining | ||||
| Copper | (Ω·mm2/m) Resistivity at 20℃≤0.017241 | |||
| Proof stress of semi-hard conductor Rp0.2(MPa)100-28 | ||||
| Aluminum | (Ω·mm2/m) Resistivity at 20℃ ≤0.0280 | |||
| Standard | IEC60317-27, GB/T7673 and mutual technical agreement | |||
Paper wrapped rectangular copper wire is the winding that with multilayer windings by using insulated paper on the surface.
The product is applicable to various oil-immersed transformer, reactor and other similar electrical equipment windings.
Main technique indicator:
Specification(mm): “a” side 1.12-3.35; “b” side 6.30 -22.00
Dimension of Paper-wrapped Rectangular Copper Wire (mm): W≤29.00；H≤15.00
Type of insulation: various insulated papers
Mode of paper-wrap: overlapping winding, interstitial winding, interlock winding and so on, can be negotiated.
Resistivity ρ20 (Ω·mm2/m) ：≤0.017241.
Proof strength of non-proportional Rp0.2（MPa）：80-200. （above 100 MPa is semi-hard wire）
Exceed above requirements, make mutual agreements by supplier and demander.
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