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.
Place of Origin: | Henan, China | Brand Name | LP CTC Cable |
Model Number: | 7 Stranded Enameled Copper Wire | Type: | Insulated |
Application: | Transformer, transmission line | Conductor Material: | Copper |
Conductor Type: | Solid | Insulation Material: | Enamelled |
Product name: | 7 Stranded Enameled Copper Wire | 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) |
Quantity(kilograms) | 1 - 500 | >500 |
Lead time (days) | 5 | To be negotiated |
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) |
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
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.
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