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Combination Paper-covered Electric-potientials Continuously Transposed Conductor


Continuously transposed cable (CTC) is a type of winding wires weaved by certain number of strips of enameled rectangular wires in two ranks according to special tectonics and wrapped by special insulation material. It is mainly used for large-scale oil-immersed power transformers, reactors and large-capacity dry type transformers.
CTC conductor can improve using rate of winding space, min-ish volume and reduce cost, most of all, it decline the loss of circumference and eddy loss caused by leaking of magnetic field and also has advantages of improving machine strength of winding and saving winding time.
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  • Place of Origin:Jiangsu, China
  • Brand Name: Baiwei Electric

  • Model :Continuously Transposed Conducto

  • Type: insulated

  • Application:PowerTransformer, transmission line

  • Conductor Material:Copper or aluminum

  • Conductor Type:Solid

  • Insulation Material:Enameled

  • Product name:Continuously Transposed Conductor

  • Type enameled wire:round or flat enameled wire

  • Insulation enamel:PEW, PIW, EIW, AIW, EI/AIW

  • Covered material:paper or cotton wire

  • Temperature class:120

  • Standard:IEC,NEMA,GB,JIS

  • Usage:large transformer or transmission and distribution lines

  • Feature:high strength, high temperature,

Transposed wire is mainly used in the winding of large oil immersed power transformers,reactors and large capacity dry-type transformers.

Continuously Transposed conductors(CTC)is the important material for transformer winding.It has the advantage of well using of space, low eddy current loss, high mechanical strength and less time of coil winding.

Production Scope

CTC strips:5-80(odd or even).

Max overall dimension :height : 120mm , width 26mm ( tolerance ± 0.05mm )

Dimension of enameled wire:

Single conductor : Thickness a:0.90-3.15mm(tolerance±0.01mm ),

Width b:2.50-13.00mm (tolerance±0.01mm)

Suggested width/thickness ration of single conductor:2.0<b/a<9.0.

Suggested thickness of enamel insulation : 0.08-0.12mm;thickness of bondable epoxy resin:0.03-0.05mm .

Product Scope

Polyvinyl acetal enameled CTC with paper insulation

Polyvinyl-adhesive acetal enameled CTC with paper insulation

Polyvinyl-adhesive acetal semi-hard acetal enameled CTC with paper insulation

Polyvinyl acetal enameled CTC with special binded

Composite CTC with step

Composite CTC with screen wire inside

Polyesterimide enameled CTC

Polyvinyl alcohol enameled CTC with PET film insulation

number of strips: 7-49
single dimension: thickness of conductor a : 1.00-3.15mm width of conductor b : 3.00-12.50mm
suggested ratio of width and thickness: 2.5 < b/a <7.5
please connect us if your dimension is out of above range Insulation layers: 24
layers at one time. Max thickness of CTC: 80mm (excluding insulation)
max width: 26mm (excluding insulation)
Max.Height of CTC bundles: 80mm (excluding paper insulation)
Max. Width of CTC bundles: 26mm (excluding paper insulation)

Combination Paper-covered Electric-potientials Continuously Transposed Conductor

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