Continuously Transposed Copper Conductors for High Power Transformers, providing efficient and reliable electrical conductivity in transformer applications.

Manufacturing and sales of Continuously Transposed Copper Conductors for High Power Transformers, ensuring high-performance electrical conductivity and reliability.

Медные проводники с непрерывной транспозицией для мощных трансформаторов

Product Type: Continuously Transposed Copper Conductors
Voltage Rating: High Voltage Transmission (up to 110kV)
Conductor Material: High-Grade Copper
Construction Type: Continuously Transposed (CTC)
Standards: ANSI/IEEE, IEC, UL, CSA, RoHS
Certification: UL, cUL, CSA, CE, SGS
Application: High Power Transformers and Power Distribution Systems
Customization: Available for different voltage ratings and conductor configurations

In 2023, we successfully delivered Continuously Transposed Copper Conductors to a large-scale transformer project in Southeast Asia. These conductors, designed for high-performance and reliability, are ideal for use in high-power transformers operating in high-voltage transmission networks. The continuous transposition design reduces power losses and enhances the efficiency of transformers, making them an essential component for upgrading power infrastructure in both urban and rural areas.

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Continuous Transposed Conductors (CTC) Enameled Wire

Product Type: Continuous Transposed Conductors Enameled Wire (CTC)
Материал проводника: Медь или алюминий
Conductor Type: Solid (Rectangular Conductor)
Insulation Material: Enameled Wire (PEW, PIW, EIW, AIW, etc.)
Coating Material: Paper or Cotton Thread
Temperature Rating: 120°C
Applicable Standards: IEC, NEMA, GB, JIS

Product Overview:

Continuous Transposed Conductors (CTC) enameled wire is an essential component in the windings of transformers, reactors, and large power electrical equipment. CTC uses copper or aluminum as the conductor material, providing excellent electrical conductivity. Its unique “continuous transposition” structure effectively reduces eddy current losses, minimizes circulating losses caused by magnetic field leakage, and enhances the efficiency and reliability of the equipment. CTC is widely used in large oil immersed power transformers, сухие трансформаторы, and reactors, especially in devices requiring high power, high efficiency, and high stability.

Product Features:

Высокая эффективность: CTC conductors use a unique continuous transposition technology that significantly reduces eddy current losses, minimizing energy waste, and improving the overall efficiency of transformers and reactors.
High Mechanical Strength: High-strength copper or aluminum conductors, combined with special braiding techniques, enhance the mechanical strength of the windings, allowing them to withstand high temperatures and mechanical stress.
Excellent Insulation Performance: CTC enameled wire utilizes high-quality enamel insulation materials to ensure the conductor’s insulation performance, preventing electrical shorts and losses.
Space Saving: CTC improves winding space utilization through its compact arrangement and transposition design, reducing transformer volume and lowering costs.
High-Temperature Adaptability: Using high-temperature resistant insulation materials, such as Polyvinyl Alcohol (PVA) enameled wire, ensures CTC operates stably at high temperatures and is suitable for harsh environments.

Приложения:

Large Oil-Immersed Power Transformers: Ideal for power transmission and distribution systems, CTC effectively reduces losses and improves energy efficiency in high-voltage, high-capacity transformers.
Reactors: CTC is widely used in reactor windings within power systems, helping to control current and voltage fluctuations, thereby improving system stability.
Сухие трансформаторы: CTC is suitable for large-capacity dry-type transformers, where its excellent heat dissipation properties enhance operational efficiency and prolong equipment lifespan.
Large Inductors: In various power equipment, CTC reduces losses and enhances system stability, meeting the need for high performance.

Технические характеристики:

Материал проводника: Медь или алюминий
Conductor Dimensions:
- Individual Conductor Thickness: 0.90-3.15mm (Tolerance ±0.01mm)
- Individual Conductor Width: 2.50-13.00mm (Tolerance ±0.01mm)
- Width-to-Height Ratio: 2.0 < b/a < 9.0
Insulation Material: PEW, PIW, EIW, AIW, etc.
Coating Material: Paper or Cotton Thread
Maximum Outer Dimensions: Height: 120mm, Width: 26mm (Tolerance ±0.05mm)
Number of CTC Strands: 5-80 strands (odd or even count available)
Temperature Rating: 120°C
Стандарты: IEC, NEMA, GB, JIS

Schematic diagram of the production structure of Continuously Transposed Copper Conductors (CTC) for High Power Transformers, showcasing conductor materials, insulation layers, and transposition process.

Manufacturing Process:

CTC conductors are produced using advanced manufacturing techniques, including precise wire preparation, winding, transposition, coating, and molding. First, copper or aluminum conductor strips are cut and coated with enamel insulation. Then, the wires are arranged and stacked according to a specific transposition pattern, ensuring that each wire experiences a similar electromagnetic environment to minimize eddy and circulating losses. Finally, these wire bundles are tied together and undergo further insulation treatment to ensure safe operation under high-voltage conditions.

Quality Control and Testing:

Электрические испытания: Includes resistance testing, insulation testing, and electrical integrity checks to ensure the product meets conductivity and insulation specifications.
Mechanical Performance Testing: Tests include tensile strength, flexibility, and mechanical stability to ensure the product can withstand the mechanical stresses encountered during power equipment operation.
Thermal Performance Testing: Ensures CTC maintains good performance under long-term high-temperature operation, making it suitable for the high-temperature environments of transformers and reactors.

Преимущества:

Reduced Losses: The transposition design of CTC conductors significantly reduces eddy current and circulating losses caused by magnetic field leakage.
Improved Reliability: High mechanical strength and insulation performance make CTC suitable for demanding power environments, extending equipment service life.
Space and Cost Savings: The compact structural design improves winding space utilization, reduces transformer size, and lowers production and transportation costs.
Enhanced Cooling Performance: Superior heat conduction and dissipation properties help achieve efficient cooling of transformer windings.

Заключение:

Continuous Transposed Conductors (CTC) enameled wire is a high performance transformer winding material with broad application prospects. Its efficient electrical performance, outstanding mechanical strength, and excellent insulation properties make it an indispensable core component in high-voltage transformers, reactors, and other power equipment. If you need customized CTC conductors that meet specific application requirements, feel free to contact us. We will provide you with high-quality products and professional technical support.