Overview


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.

Essential details

Place of Origin: Henan, China Brand Name LP CTC Cable
Model Number: Flat aluminium wire Type: Insulated
Application: Transformer, transmission line Conductor Material: Copper
Conductor Type: Solid Insulation Material: Enamelled​​​​​​
Product name: Continuously Transposed Conductor Type enameled wire: round or flat enameled wire
Insulation enamel: Polyvinyl acetal enamel 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
suggested ratio of width and thickness: 2.5<b/a<7.5 Max width: 26mm (excluding insulation)

Supply Ability

Supply Ability:   250 Ton/Tons per Month

Packaging & delivery

Packaging Details:
Continuously Transposed Conductor Standard packaging :PT-4--PT-200 Different size bobbin with export carton or wooden box on pallet or as customer requirement.
 
Port:
Qingdao,Shanghai,Tianjin,Hongkong
 
Picture Example:
 
 
Lead time:
 
Quantity(kilograms) 1 - 500 >500
Lead time (days) 15 To be negotiated
 

Product Description


Polyvinyl acetal enameled with paper insulation CTC

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.

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)




CTC Types

  • Polyvinyl acetal enameled with paper insulation CTC
  • Polyvinyl acetal enameled over coated bond able epoxy resin with paper insulation CTC
  • Polyvinyl acetal enameled with paper insulation 、hardened copper CTC
  • Polyvinyl acetal enameled over coated bond-able epoxy resin with paper insulation 、hard-ened copper CTC
  • Polyester net covered CTC
  • Polyestermide enameled with Nomex insula tion paper CTC
  • Polyester fibre non-weaving modified polyes-ter enameled CTC


 

CTC Manufacturing Process

Two type manufacturing process: 

1. 4-49 flat enameled copper or aluminum wire with paper covered
2. 4-49 flat enameled copper or aluminum wire with cotton wire

Application


Enamelled wire is used in many electrical products, usually for the purpose to generate electrical fields such as in transformers and motors. Special examples are voice coils made from selfbonding wire or enamelled aluminum wire for instance or injection valves made of enamelled brass wire.

Certifications


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