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Customerized 0.68 / 7*19 Paper Unsulation Covered Litz Copper Wire For Transformer

Categories High Frequency Litz Wire
Brand Name: Rvyuan
Certification: IEC/NEMA/JIS/RoHS/ISO
Place of Origin: China
MOQ: Different types with differet MOQ
Price: Negotiation
Payment Terms: Negotiation
Supply Ability: Satisfy your demand
Delivery Time: 2-15 workding days
Packaging Details: Spool with carton
Product Name: Paper Litz wire
Insulation: Paper
Diameter: 0.68/7*19
Color: White
Material: Copper
Thermal Class: 130/155/180/200/220
Certificates: ROHS/UL/SGS/ISO9001:2008
Breakdown Voltage: Over 3KV
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Customerized 0.68 / 7*19 Paper Unsulation Covered Litz Copper Wire For Transformer

customerized 0.68/7*19 paper unsulation covered litz copper wire for transformer


Product Description

The manufacture process is as follows: Strips of mutual insulated round copper wire transpose, strand, roll into rectangular section wire in the same direction at certain pitch, then insulating film and insulating composite materials is wrapped from inside to outside.


Here are three types:

1.Paper insulated polyvinyl-acetal enameled Continuously Transposed copper wire

2.Paperless Insulated Netting-type Continuously Transposed copper wire

3.Heat Resistant Continuously Transposed enameled copper wire


Features:

1.Reduce additional circulation current loss

2.Eddy-current loss caused by leaking magnet field

3. Improve the mechanical strength of coil


Application:


Coil winding of large oil-immersed power transformer and reactor, large capacity dry type transformers.


Specifications:


Test ItemTechnical RequirementTest Result
AppearanceBare Stranded WireSmooth Surface, no scratch, oil pollution, oxide layer or glitch, strand should be close and tidy and no broken strand or missing strandQualified
Paper CoverPaper cover should be tight and uniform, smoothly winded on the bare stranded wire. No cracking, wrinkle, and leakingQualified
SizeDia. of stranded wire10.00-10.20mm10.10mm
Overall diameter15.70-16.70mm16.20mm
Wrapping Sort

Overlap width

innermost layer

≥10mm12mm
Outmost Layer≥10mm12mm
Gap Width__
DCR VALUE≤0.01724Ω(at 20℃ mm²/m)0.017068Production
Elongation≥25%30.8%
BendingDiameter of pole is 112mm,, no cracking, leak, no obvious warping.Qualified
Remark


Product Tags:

served litz wire

  

rectangular litz wire

  
Cheap Customerized 0.68 / 7*19 Paper Unsulation Covered Litz Copper Wire For Transformer for sale
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