Are you looking for the best transformer wire manufacturers in China? With China’s robust manufacturing sector, especially in electrical equipment, it’s crucial to identify the top performers. Let’s dive into the leading transformer wire factories in China, highlighting their strengths, product ranges, and what sets them apart in the global market. From Guangdong to Henan, we’ll explore the key players that are driving innovation and quality in the industry.

Annealed bared copper electric wire for Cable transformer …

Product Details: Bare pure copper wire with 99.99% purity, available in diameters from 0.04mm to 2.5mm. It is used for electrical wiring, electric cables, electrical appliances, electronics, communication, and various other applications such as parallel double core telephone lines, computer LAN access network cables, medical equipment cables, aviation and spacecraft cables, high-temperature electron lines, and automobile and motorcycle special cables.

Pros:
– Very high conductivity
– Good tensile strength
– High elongation
– Excellent windability
– Good weldability and solderability

Cons:
– Requires careful handling to avoid damage during storage and use
– Must be stored in a ventilated warehouse away from dust, direct sunlight, and hi…
– Prohibit mixed storage with organic solvents, strong acids or alkalis

Liz Wire Transformer Supplier in China

Product Details: Litz wire is composed of many thin copper wire strands individually insulated and twisted or woven together. It is designed to reduce skin effect and proximity effect losses in high-frequency applications. The wire is specified in a format such as XX AWG N / YY, where XX is the equivalent wire gauge, N is the number of strands, and YY is the wire gauge of each strand. Litz wire is versatile and reliable, often used in inverters, relays, power supplies, and converters.

Pros:
– Reduces skin effect and proximity effect losses, minimizing resistance and heat…
– Allows for low-resistance, high-current conductors to operate at high frequencie…
– Increases flexibility, making it easier to form into various shapes and improvin…
– Enhances efficiency and reduces fringing of the magnetic field between windings.

Cons:
– The packing factor can be a drawback, as it affects how tightly the wires can be…
– Parasitic capacitance between strands can become a significant issue at frequenc…

Transformer Winding Aluminum Wire

Product Details: Enameled aluminum wire is used as an electrical conductor in transformer windings. It is available in various diameters (0.20mm to 8.0mm) and meets production standards such as IEC60317, NEMA MW1000, and JIS C3202. The wire is insulated with different materials like Polyurethane, Polyester, Polyesterimide, and Polyimide, suitable for various thermal classes (e.g., 130°C, 155°C, 180°C, 200°C, 240°C)[3][5].

Pros:
– Lower initial cost compared to copper
– Greater malleability and easier to weld, reducing manufacturing costs
– Lighter weight, making it suitable for applications where weight is a critical f…
– Better harmonic management and reduced eddy currents
– Higher heat storage capacity during short-time overloads
– Stronger moisture/corrosion resistance with higher insulation ratings

Cons:
– Lower electrical conductivity compared to copper (about 61% of copper’s conducti…
– Greater electrical connection difficulty due to oxidation and expansion
– Requires more manual work and precautions for ensuring airtight connections
– Additional material required due to larger wire sizes needed for equivalent cond…
– Higher maintenance needs due to quicker oxidation
– May result in a larger transformer size due to the need for larger wire sizes

China Cable Current Transformer

Product Details: Baoding Hewei Power Technology Co., Ltd. is a specialized manufacturer of wall bushing, transformer bushing, and cable current transformers. Their cable current transformers are designed for various applications, including measurement and monitoring in complex installation environments.

Pros:
– Easy to install without puncture, stable performance, and high precision.
– Cost-effective.
– Suitable for all kinds of complex installation environments.

Cons:
– The accuracy of open core current transformers, which include cable current tran…
– The iron core being separated can affect the accuracy of the current transformer…

Low Frequency Transformer

Product Details: Low-frequency transformers operate at 50 or 60 Hz frequencies and are used in various applications such as industry, vending machines, and lighting where power conversion is required. They can be customized with different primary and secondary voltages (e.g., 230V, 3x400V, 12V, 24V) and power ratings (50 W – 2,000,000 W). These transformers can be single-phase or three-phase, with options for laminate and toroid core solutions, and they often feature air-type cooling and high insulation levels[1][3][5].

Pros:
– Robust and reliable, with strong overload capacity and impact resistance
– Ability to handle high surge currents and power heavy-duty appliances like motor…
– Better power quality with lower Total Harmonic Distortion (THD) and pure sinewav…
– Tolerant of higher and lower voltage fluctuations and spikes
– Provides galvanic isolation between the primary and secondary windings

Cons:
– Bulky and heavier due to the larger transformers
– Generally more expensive compared to high-frequency transformers
– Lower efficiency, with rated load efficiency typically between 80%-90%
– Higher no-load power consumption and iron losses
– More complex to repair due to the presence of a transformer

Chinese transformers in critical electric sector confirmed by …

Product Details: Chinese transformers, particularly large power transformers (LPTs), are widely used in the U.S. and Chinese energy sectors. These transformers are crucial for changing the voltage of electrical energy to enable efficient transmission and distribution. Key players include JiangSu HuaPeng Transformer Co., Siemens AG, ABB Ltd., General Electric Company, and Mitsubishi Electric Corporation. The transformers are essential for high-voltage transmission networks and distribution systems, with a focus on technological development, energy efficiency, and sustainability[1][2][3].

Pros:
– High demand and growth driven by expansion of transmission and distribution syst…
– Technological advancements, including the development of smart transformers, amo…
– Government support and subsidies for renewable energy projects, which boost the…
– Significant investments in power generation, transmission, and distribution netw…

Cons:
– Security risks associated with the use of Chinese-made components in critical in…
– Dependence on foreign-made transformers and key components poses a national secu…
– Challenges in tracing the origin of subcomponents, which could be sourced from a…
– Fluctuating raw material prices, competition from overseas manufacturers, and en…

China Flat Wire Power Transformer Manufacturers …

Product Details: The Flat Wire Power Transformer is made with copper wire winding, featuring lower DC resistance, extremely small capacitance distribution, and excellent heat dissipation. It is a perfect replacement for traditional transformers due to its efficient design.

Pros:
– Lower DC resistance
– Extremely small capacitance distribution
– Excellent heat dissipation
– Higher filling factor of 93%~95%, allowing for better space utilization
– Better efficiency at higher frequencies due to reduced skin effect
– Increased surface area, supporting better skin effect and higher current solutio…

Cons:
– Higher cost compared to traditional transformers
– Complexity in winding conductor coils around the toroidal core, increasing produ…

Home – EES CABLE

Nantong Yili transformer Co., Ltd. Contact Details

Product Details: Nantong Yili Transformer Co., Ltd. produces a range of transformers, including dry-type transformers and oil-immersed power transformers. Their product range covers transformers with various voltage ratings, such as 110kv-220kv. The dry-type transformers are characterized by their iron cores and windings not being immersed in insulating oil, while the oil-immersed transformers use oil for insulation and cooling[1][3][5].

Pros:
– Good fire resistance, no flammable resin, no toxic gas, flame retardant and self…
– Low loss and low noise
– No pollution, no maintenance
– Good insulation performance, no partial discharge, strong lightning shock resist…
– Good mechanical strength, strong resistance to temperature changes and short cir…
– Moisture resistance, can operate under high humidity
– Economical installation, can be installed with the load center without special f…
– Small size and light weight
– Automatic temperature monitoring and protection

Cons:
– High cost
– Poor ability to withstand harsh environments, generally can only be installed in…
– If the dry-type transformer coil is damaged, it will be scrapped directly
– Once the winding fails, the whole setup needs to be changed

Continuously Transposed Cable Manufacturing Equipment

Product Details: Continuous Transposed Cable (CTC) manufacturing equipment is designed to produce CTCs used primarily in the windings of large power transformers. It consists of a group of enameled rectangular wires transposed to create a rectangular strand. The equipment includes components such as a wring cage, taping head, traction system, and take-up stand. The production line can handle flat wire thicknesses from 1.1 to 3.15mm and widths from 3 to 12.5mm, with the number of wires ranging from 5 to 96[1][2][5].

Pros:
– Reduces electrical losses and eddy current losses, improving transformer efficie…
– Increases mechanical strength of the windings and optimizes the size of the wind…
– Enhances flexibility in winding, allowing for better adaptation to transformer d…
– Reduces the volume and cost of transformers by using smaller cross-section wires…
– Improves thermal stability with better heat dissipation.

Cons:
– May require retrofitting or altering existing infrastructure due to compatibilit…
– Vulnerable to material shortages and supply chain disruptions, particularly for…
– Potential concerns regarding mechanical strength, sag resistance, vibration damp…

Comparison Table

Frequently Asked Questions (FAQs)

What are the main locations of transformer manufacturers in China?

Transformer manufacturers in China are primarily located in provinces such as Guangdong, Zhejiang, Jiangsu, Shanghai, and Fujian. These regions offer significant advantages in terms of product quality and supply chain efficiency, making them ideal for the production of transformers.

What types of transformers do Chinese manufacturers produce?

Chinese manufacturers produce a wide range of transformers, including power transformers, distribution transformers, furnace transformers, rectifier transformers, and special transformers like traction and dry-type transformers. These transformers cater to various industries, including power generation, transmission, distribution, and industrial applications.

What is the manufacturing process for transformers in China?

The manufacturing process involves several key steps: design and planning to meet customer requirements, material preparation including sourcing high-quality iron cores and coils, core processing, coil winding, assembly and wiring, impregnation with insulating oil, and thorough testing and debugging to ensure quality and reliability.

What certifications and standards do Chinese transformer manufacturers adhere to?

Chinese transformer manufacturers often adhere to international standards such as ISO 9001 for quality management, ISO 14001 for environmental management, and OHSAS 18001 for occupational health and safety. Additionally, they may hold certifications like CE, ensuring their products meet global quality and safety standards.

How can I ensure the quality of transformers from Chinese suppliers?

To ensure the quality of transformers from Chinese suppliers, you should ask about their experience in supplying to large retailers, if they have completed third-party audits, and their compliance with international standards. Visiting the factory and building a rapport with the supplier can also provide valuable insights into their quality control processes and overall reliability.