Are you looking for the best aluminum transformers from China? Here’s a glimpse into the top transformer manufacturers in the country. From global giants to local specialists, China is home to some of the world’s leading transformer producers. Companies like TBEA, known for its massive annual transformer output and innovative solar and wind power solutions, and Baoding Tianwei Group Tebian Electric Co., Ltd., a state-owned enterprise with a strong focus on research and development, are setting the standards. Other notable players include

Copper Clad Aluminum for Transformers

Product Details: Copper Clad Aluminum (CCA) for transformers is designed to reduce both current and heat losses, aiming to decrease energy consumption and increase the lifespan of the transformer. It combines the benefits of copper and aluminum, with a thin layer of copper cladding over an aluminum core.

Pros:
– Cost savings: CCA is less expensive than solid copper wire due to the lower cost…
– Lightweight: CCA is lighter than solid copper wire, making it easier to install.
– Better conductivity than aluminum: The copper cladding improves electrical condu…
– Versatile: CCA can be used in various applications, including transformers, due…

Cons:
– Lower electrical conductivity than copper: CCA has lower electrical conductivity…
– Prone to mechanical fatigue: CCA is more likely to break or split due to its alu…
– Copper layer can peel off: Over time, the copper cladding can peel off, leading…

china Aluminum Foil for Transformer Winding_Aluminum Foil …

Product Details: The aluminum foil is described as super thin and highly extractive, with an excellent silvery white luster and beautiful appearance. It is thin and light, yet possesses high strength and has a round edge. The foil also exhibits high thermal conductivity.

Pros:
– Super thin and highly extractive
– Excellent silvery white luster and beautiful appearance
– Thin and light
– High strength
– Round edge
– High thermal conductivity

Transformer Winding Aluminum Wire

Product Details: Enamelled aluminum wire for transformers, made from bare aluminum wire coated with insulating paint and covered with a PBO fiber mesh layer. The diameter range is 0.20-6.0 mm, with temperature classes of 130, 155, 180, 200, and 220°C. The wire meets IEC, NEMA, GB, and JIS standards and is available in various colors. Packaging options include PT-25, PT-30, PT-60, PT-90, PT-200, and wooden bobbins as per customer requirements. The wire is used in dry-type and oil-immersed transformers, motors, welding, refrigeration compressors, and other electrical devices.

Pros:
– Reduces friction between conductors and is not easy to be bumped.
– Greater heat storage during short time overloads.
– Stronger moisture/corrosion resistance with higher insulation ratings.
– Dramatic eddy current reduction and better short circuit capacity.
– Better harmonic management with greater surface area to handle excess heating.
– Less mechanical stress due to easier conformation to the shape of the winding.

Cons:
– Greater electrical connection difficulty due to oxidation when exposed to air.
– Requires extra precautions to ensure airtight electrical connections.
– Additional material required due to larger wire sizes compared to copper.
– Additional maintenance needed as aluminum oxidizes more quickly.
– Poor connectivity and susceptibility to deformation and breakage under mechanica…

Aluminum Transformers Scrap Price in China – CNY / MT

Hydro Power Station Aluminum Core Transformers

Product Details: Aluminum transformers are used in various applications, including hydro power stations. They can have ratings from a few kVA to several MVA. Key features include the use of aluminum windings, which can be either wire-wound or sheet-wound, and various cooling methods such as ONAN, ONAF, or OFAF. These transformers can operate at different voltage levels and frequencies (50 or 60 Hz). They often include additional features like tap changers, liquid level gauges, and automatic pressure relief valves[1][3][4].

Pros:
– Lighter and easier to install and maintain compared to copper core transformers.
– More corrosion-resistant as aluminum forms a protective film through oxidation.
– Cheaper due to the lower cost of aluminum compared to copper.
– Better heat storage and reduced eddy currents.
– Less mechanical stress and better harmonic management.

Cons:
– Poorer electrical conductivity compared to copper, leading to higher power losse…
– Greater electrical connection difficulty due to expansion and oxidation.
– Requires more maintenance as aluminum oxidizes more quickly.
– Larger transformer size due to the larger wire sizes needed for aluminum.
– Higher environmental impact from production and processing.

Aluminium Transformer in China

Product Details: Aluminum wound transformers are used in various electrical applications, including power distribution and industrial control. They are available in single-phase and three-phase configurations, with capacities ranging from a few kilovolts to several hundred kilovolts. These transformers can be dry-type or oil-immersed and are designed to meet specific voltage and frequency requirements.

Pros:
– Greater heat storage: Aluminum windings can store approximately 2.3 times greate…
– Stronger moisture/corrosion resistance: Aluminum wire insulation is rated for hi…
– Dramatic eddy current reduction: Aluminum windings reduce eddy currents and impr…
– Better harmonic management: Aluminum provides a greater surface area to handle e…
– Less mechanical stress: Aluminum conforms easily to the winding shape, reducing…
– Stable pricing: Aluminum prices are generally more stable, making cost forecasti…
– Cost-effective: Aluminum is a budget-friendly option for large transformers.
– Lightweight: Aluminum reduces the overall weight and density of the transformer.

Cons:
– Greater electrical connection difficulty: Aluminum expands more than copper when…
– Additional material required: Aluminum wire sizes are larger than copper wire si…
– Additional maintenance: Aluminum oxidizes more quickly, requiring greater mainte…
– Oxidation issues: Aluminum oxidizes on surfaces exposed to air, requiring additi…
– Less suitable for compact spaces: The larger wire sizes of aluminum may not be s…

aluminium winding wire manufacturer in China

Product Details: Aluminum strips for transformer windings are made from grades such as 1050, 1060, 1070, and 1350, in temper O state. The thickness typically ranges from 0.2mm to 3.5mm, and the width can be customized from 10mm to 1600mm. These strips are used in dry type transformers, power distribution, and various electrical engineering applications[1][4][5].

Pros:
– Excellent electrical and thermal conductivity, reducing transformer losses and i…
– High flexibility, allowing for thin sheets and various shapes[1].
– Good adhesion between layers, facilitating coil formation[1].
– Greater heat storage during short time overloads[5].
– Stronger moisture and corrosion resistance, with higher insulation ratings[5].
– Dramatic reduction in eddy currents and better short circuit capacity[5].
– Better harmonic management due to greater surface area[5].
– Less mechanical stress on the coils[5].

Cons:
– Prone to fire hazards if installed incorrectly or if the wires corrode[2].
– Insurance companies are skeptical, leading to higher premiums[2].
– Compatibility issues that may increase installation costs[2].
– Higher replacement rate due to faster depreciation compared to copper[2].
– Difficulty in installation and potential for system failures due to more joints[…
– Greater electrical connection difficulty due to oxidation and expansion[5].
– Additional material required, leading to larger transformers[5].
– Additional maintenance needed due to quicker oxidation[5].

Is the aluminum coil transformer good?

Product Details: The Sz11 is a 400kVA, 10/0.4kV on-load regulating oil-immersed power transformer. It features a Dyn11/Yyn0 winding connection and is designed for medium and small-sized transformer substations, supplying power distribution and illumination for industrial and agricultural use. The transformer has maximum no-load losses of 620W and maximum on-load losses of 3.74kW.

Pros:
– Manual or automatic polar voltage regulation without power failure
– High-strength insulating cylinder for improved short-circuit resistance
– Low coil heating and strong overload capacity
– Low noise and reliable operation
– Simple installation
– Meets international quality standards including ISO 9001:2015, ISO 14001:2015, a…

Cons:
– Specific application limitations to medium and small-sized transformer substatio…
– Requires careful handling and installation due to its oil-immersed design
– Production time can vary from 2-6 weeks depending on the style

Aluminum Transformers Scrap Price History & Chart – China

Product Details: Aluminum coil transformers are widely used as an alternative to copper transformers due to their cost-effectiveness and technological advancements. They have been adopted globally, especially in Europe, America, and Japan, and are recognized by international standards. The use of aluminum coils has helped address the shortage of copper materials and reduced energy consumption.

Pros:
– Significantly lower cost compared to copper transformers, with aluminum prices b…
– Better thermal expansion compatibility with epoxy resin, enhancing safety in epo…
– Advanced welding technology ensures high-quality welding of aluminum, often bett…
– Aluminum enameled wires have better corrosion resistance and longer shelf life c…
– Larger cross-sectional area of aluminum conductors can result in lower load loss…

Cons:
– Aluminum transformers are slightly larger in size than copper transformers of th…
– Aluminum has only 61% of the conductivity of copper, which can lead to higher en…
– Requires larger-sized conductors to achieve equivalent strength and efficiency t…
– Potential for business ethics issues if aluminum is substituted for copper witho…

Solar Power Station Aluminum Transformers

Product Details: The aluminum Core transformer is dedicated to photovoltaic power generation systems. These transformers are used as temporary construction transformers in hydropower stations, characterized by their long construction periods, harsh environments, and numerous electrical equipment. They are crucial for ensuring personnel safety, construction progress, and reducing power loss.

Pros:
– Strength and durability: Aluminum Core transformers are lighter in weight, have…
– Economical: Compared with copper transformers, aluminum transformers have lower…
– Easy to install and carry: Aluminum transformers are light in weight and easy to…

Cons:
– Lower electrical conductivity: Aluminum has only 62% of the electrical conductiv…
– Installation challenges: Aluminum is typically more difficult to install than co…
– Long-term reliability: Copper generally provides more long-term reliability due…

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Aluminum Transformers Factories in China

What are the key locations for transformer factories in China?

You’ll find many of China’s transformer factories concentrated in the eastern coastal areas, central, and north-eastern provinces, as well as the southwestern provinces. For example, CHINT has major factories in Wuhan and Shanghai, which are strategic locations for efficient global distribution and technological innovation.

What is the manufacturing process for transformers in Chinese factories?

The process starts with design and planning, where engineers create detailed plans based on customer requirements. This is followed by material preparation, core processing, and coil winding. Each step is meticulous, with high precision in cutting and assembling components to ensure the transformer’s structural integrity and performance.

How do Chinese transformer factories ensure environmental sustainability?

Chinese transformer factories, such as CHINT’s in Wuhan and Shanghai, are committed to green manufacturing. They incorporate advanced technologies and sustainable practices, including the use of natural ester-insulating oil transformers and adherence to stringent environmental regulations. These efforts help reduce the environmental footprint and promote sustainability.

What types of transformers are produced in Chinese factories?

Chinese factories produce a wide range of transformers, including power transformers, distribution transformers, and special transformers. These can range from ultra-high voltage transformers (up to 1000kV) to lower voltage models (down to 35kV), catering to various industries such as energy, industrial, and infrastructure.

What drives the growth and innovation in China’s transformer industry?

The growth in China’s transformer industry is driven by increasing energy demand, government initiatives, and technological advancements. The focus on energy efficiency, adoption of renewable energy sources, and government support for smart transformers are key factors. Additionally, investments in power generation, transmission, and distribution networks further fuel the industry’s expansion.