PE-155-CTC Class 155 Polyester Enamelled Copper Continuously Transposed Conductor
PE-155-CTC, Class 155 Polyester Enamelled Copper Continuously Transposed Conductor, Class 155 Polyester Enameled Rectangular Copper CTC
Class 155 Polyester Enamelled Copper Continuously Transposed Conductor
PRODUCT DESCRIPTION
Class 155 Polyester Enamelled Copper Continuously Transposed Conductor is manufactured from multiple high-conductivity rectangular copper strands, each individually insulated with Class 155 polyester enamel and continuously transposed along the conductor length.
The product provides a balanced combination of electrical insulation, thermal performance, mechanical strength, dimensional consistency, and winding efficiency. It is designed for transformer manufacturers requiring a reliable CTC insulation system for conventional and industrial transformer applications.
APPLICATIONS
- Power transformer windings
- Distribution transformers
- Generator transformers
- Industrial transformers
- Traction transformers
- Dry-type transformer systems
- High-current electromagnetic equipment
STANDARDS
Manufactured with reference to:
- IEC 60317
- IEC 60317-0-2
- IEC 60317-13
- IEC 60076
- Customer-specific transformer specifications
CONSTRUCTION
| Component | Description |
|---|---|
| Conductor | High-conductivity copper |
| Strand Shape | Rectangular |
| Strand Arrangement | Multiple parallel strands |
| Transposition | Continuous transposition |
| Primary Insulation | Polyester enamel |
| Thermal Class | Class 155 |
| Surface | Smooth and uniform |
| Overall Form | Continuously transposed conductor |
TECHNICAL DATA
| Parameter | Typical Requirement |
|---|---|
| Conductor Material | Electrolytic copper |
| Copper Purity | ≥ 99.90% |
| Strand Shape | Rectangular |
| Insulation Type | Polyester enamel |
| Thermal Class | 155 |
| Strand Width | Customized |
| Strand Thickness | Customized |
| Number of Strands | Customized |
| Overall CTC Dimensions | Customized |
| Transposition Pitch | Customized |
| Breakdown Voltage | According to insulation grade |
| Electrical Resistance | According to conductor size |
| Elongation | According to applicable enamel specification |
| Adhesion | According to applicable standard |
| Winding Compatibility | Suitable for transformer winding operations |
FEATURES
- Class 155 thermal insulation
- High copper conductivity
- Consistent strand dimensions
- Continuous transposition
- Reduced additional winding losses
- Good mechanical strength
- Reliable enamel insulation
- Excellent winding processability
- Customized dimensions available
QUALITY CONTROL
Inspection may include:
- Copper dimensions
- Overall CTC dimensions
- Electrical resistance
- Enamel thickness
- Breakdown voltage
- Enamel adhesion
- Surface appearance
- Transposition accuracy
- Thermal performance
ORDERING INFORMATION
Specify:
- Copper grade
- Strand width
- Strand thickness
- Number of strands
- Class 155 insulation
- Insulation thickness
- Overall CTC dimensions
- Transposition pitch
- Coil length
- Packaging requirements
Q&A
Q: What does Class 155 mean?
A: Class 155 identifies the thermal class of the enamel insulation system, indicating suitability for applications requiring Class 155 thermal performance.
Q: Where is Class 155 Polyester Enamelled CTC commonly used?
A: It is commonly used in transformer windings and other electrical equipment requiring continuously transposed copper conductors.
Q: Can the conductor dimensions be customized?
A: Yes. Strand width, thickness, strand count, overall dimensions, and transposition pitch can be manufactured according to customer specifications.
Q: Is polyester enamel suitable for transformer winding applications?
A: Yes. The insulation system can be designed for transformer winding applications according to the required thermal and electrical requirements.
Q: Can different coil lengths be supplied?
A: Yes. Coil length and packaging can be customized.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.