0102030405
China Suppliers Factory for Large Oil Immersed Power Transformer CTC Conductors with Paper Insulation
Production Scope
CTC strips: 5-80 (odd or even).
Max overall dimension: height: 120mm, width 26mm (tolerance ± 0.05mm).
Single conductor dimension: Thickness a: 0.90-3.15mm (±0.01mm), Width b: 2.50-13.00mm (±0.01mm).
Suggested width/thickness ratio of single conductor: 2.0
Suggested thickness of enamel insulation: 0.08-0.12mm; thickness of bondable epoxy resin: 0.03-0.05 mm.
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
Product Description
| 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 |
| Special dimensions: | Please contact 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) |
Frequently Asked Questions (FAQ)
1. What is the production range for CTC strips?
We can produce CTC with 5 to 80 strips, including both odd and even numbers.
2. What are the standard conductor dimensions available?
The single conductor thickness (a) ranges from 0.90mm to 3.15mm, and the width (b) ranges from 2.50mm to 13.00mm, with a tolerance of ±0.01mm.
3. What types of insulation materials do you offer for CTC?
We offer various insulation options including paper insulation, PET film, polyvinyl acetal enamel, and bondable epoxy resin.
4. What is the maximum dimension for CTC bundles?
The maximum height of CTC bundles is 120mm and the maximum width is 26mm, excluding paper insulation.
5. Do you provide composite CTC with special configurations?
Yes, we provide specialized configurations such as composite CTC with steps and composite CTC with screen wire inside.
6. What is the recommended width-to-thickness ratio for conductors?
For optimal performance, we suggest a width/thickness ratio (b/a) between 2.0 and 9.0 for single conductors.

