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Hot Sale Kraft Paper Coated Wire Insulated Double Paper Covered (DPC)
Paper Covered Wire Cable paper covered wire is the winding wire and its condutor is made of oxygen-free copper rod or electrical round aluminum rod through a certain specifications of the extrusion mould or after drawing wire and annealing treatment, and then the copper (aluminum) conductor is wrapped on two or more than two layers of insulating paper (including telephone paper, cable paper, high voltage cable paper, turn-to-turn insulation paper), suitable for oil-immersed transformer coil and other similar electrical winding thread.
| Place of Origin: | Henan, China | Brand Name | LP Industry |
| Model Number: |
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Type: | Insulated |
| Application: | oil-immersed transformer windings | Conductor Material: | Copper or Aluminum |
| Conductor Type: | Solid | Insulation Material: | Paper,telephone,3M paper |
| Name: | Paper Covered Aluminum Wire | Diameter(flat): | a:1-10mm;b:3-35mm |
| Standard: | IEC,NEMA,JIS,GB | Size(Round): | 2-7mm |
| Centifications: | SGS,UL,RoHS,ISO | Conductor: | Aluminum /Copper |
| Thermal Class: | 105,220c | Advantages: | High Resistance,Voltage |
| Shape: | round and flat | Delivery time: | 7-30days |
| Quantity(kilograms) | 1 - 500 | >500 |
| Lead time (days) | 15 | To be negotiated |
Telephone cable paper covered aluminum wire, also known as plain paper covered insulated aluminum, according to customer requirements, in the aluminum conductor winding three or more layers of cable paper or telephone paper. Plain paper covered wire is oil immersed transformer coil and similar electrical coil of special material, after the immersion using temperature index of 105℃. According to customer requirements, and can be divided into phone paper, cable paper, high voltage cable paper, paper and other winding insulation.
| Project Name | Standard | Test tool |
| Conductor size and R corner radius | Follow standard of GB/T7673.1-87 | Micrometer and R type |
| Bend | The specimen is not cracked, no crack, no obvious sticking out of the paper according to the standard curve. | Experimental round rod and flat wire bending apparatus |
| Paper Covered Round Wire Insulation Thickness | ||||||
| Standard Insulation Thickness(mm) | 0.3 | 0.45 | 0.80 | 1.20 | 1.80 | 4.25 |
| Tolerance(mm) | ±0.05 | ±0.05 | ±0.10 | ±0.12 | ±0.15 | ±0.30 |
| Paper Covered Flat Wire Insulation Thickness | ||||||||
| Standard Insulation Thickness(mm) | 0.45 | 0.60 | 0.95 | 1.35 | 1.60 | 1.95 | 2.45 | 2.95 |
| Maximum Insulation Thickness(A-a) | 0.57 | 0.74 | 1.14 | 1.56 | 1.84 | 2.23 | 2.77 | 3.32 |
| Minimum Insulation Thickness(B-b) | 0.40 | 0.53 | 0.85 | 1.20 | 1.45 | 1.80 | 2.30 | 2.75 |
Papers are applied with butt intercalation in the following manners :
*2 papers- double butt intercalation- advanced 40-60%.
*3 papers- triple butt intercalation-advance 28-38%.
Papers are lapped in the following manners :
*One paper applied with 47-49% overlap-equivalent to 2 papers.
* One paper applied with 64-66% overlap-equivalent to 3 papers.
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