Special Wire Winding For Grade 155 Oil-Immersed Transformer
Excellent heat dissipation performance
-Support for higher load capacity and longer overload time.
Excellent heat dissipation performance
-Support for higher load capacity and longer overload time.
Product Details
Enameled rectangular wire is made of electrical aluminum rod, which are drawn or extruded by the specification mould, it is the baked winding wire with multiple -layers of insulating paint after annealing softening treatment, They are mainly used in the winding of electrical equipment such as transformer, reactor and etc.Soft aluminum rectangle wire of enameled rectangle wire complies with the provisions of GB5584.3-2009.when 20'C.
resistivity<0.02801 Q-mm2/m, According to different insulation requirements,can choose thin film from 0.06 to 0.11 mm or thick film from 0.12 to 0.17mm, The thickness of hot adhesive enameled rectangle wire self-adhesive layer is generally 0.03 to 0.06mm. Our company monitor the thickness with dielectric loss meter.The thickness of hot adhesive enameled rectangle wire self-adhesive layer is generally from 0.03 to 0.06mm.Our company monitor the thickness with dielectric loss meter.
Production Range
Wire thickness 0.80~5.60mm, Conductor width ratio 20:1
Wire width 2.00~16.00mm ,Implementation standard GB/T 7095.5-2008/IEC 60851
If the selected specifications exceed the above range, please contact us. We can customize according to customer's technical requirements.Can be customized according to customer technical requirements.
| Paint film | Min. breakdown voltage value(effective value):V | |
| Room temperature | High temperature | |
| Grade1 | 1000 | 750 |
| Grade2 | 2000 | 1500 |
Technical Parameter
| Enameled wire category | Thermal level | Performance | Standard | Experimental basis |
| Polyvinylacetal/Selfadhes iveacetal | 120 | Good performance of resistance to transformer oil and scratch.Excellent flexibility&adhesion,and good hydrolysis resistance In addition to the properties of acetal wire,the product adhesive strength can be reinforced by heating | GBJ 7095.2-2008 IEC60317-18:2004 GBfF 6758.1-2007 IEC 60851-5 | GB/T4074 IEC 60851 GB/T4074 IEC 60851 |
| Polyester | 130 | High mechanical strength,good scratch resistance.Good electrical performance | GBAT 7095.7-2008 IEC60317-11:2005 | GB/T4074 IEC 60851 |
| Modifiedpolyester | 155 | Good shock resistance.High mechanical strength,good electrical&solvent resistance | GBfF 7095.3-2008 IEC60317-16:1990 | GB/T4074 IEC 60851 |
| Polyesterimide | 180 | High hear resistance, good chemical solvent resistance,and heat shock resistance | GBfT 7095.4-2008 IEC60317-28:1990 | GB/T4074 IEC 60851 |
| Polyesterimide/polyamide imidecompositelayer | 200 | Good comprehensive properties,such as refrigerant resistance,solvent resistance and radiation resistance | GB/T 7095.6-2008 IEC60317-29:1990 | GB/T4074 IEC 60851 |
| Polyamideimide | 220 | Good chemical solvent resistance | GB/T 7095.1 | GB/T4074 IEC 60851 |
If you have other customization requirements, please contact us！
Product Characteristics
1. Excellent heat dissipation performance
-Support for higher load capacity and longer overload time.
2. High insulation reliability
-Combine with insulating paper or epoxy resin coating to form a multilayer insulation barrier suitable for high voltage grade applications .
3. Strong mechanical stability
-Seismic design adapted to harsh environment.
4. Overload resistance and aging resistance
-High temperature resistant materials support short time overload operation.
5. Noise reduction and environmental protection
-Modern environmentally friendly insulating oils can be degraded to reduce the risk of leakage and pollution.
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