1050 O Aluminium Strips for Transformers Winding

1050 aluminum strip, known for its excellent electrical conductivity (over 60% IACS), is widely used in transformer windings. Also referred to as 1050 aluminum transformer foil, its primary applications include winding for dry-type and oil-immersed transformers.

The thickness of 1050 aluminum foil strip ranges from 0.2 mm to 3.0 mm, and the width ranges from 30 mm to 1600 mm. Single-layer or double-layer aluminum strips can be provided to effectively reduce coil leakage flux and enhance its insulation performance.

Specifications for 1050 Transformer Aluminum Strip

Features of 1050 Transformer Aluminum Strip

• 1. Conductivity and Thermal Conductivity: The 1050 aluminum strip has high electrical conductivity and excellent conductive performance, making it suitable for conductive materials in transformer windings. Additionally, it has good thermal conductivity, which effectively dissipates heat and further improves the transformer’s operational efficiency.
• 2. Corrosion Resistance: The 1050 aluminum strip has good corrosion resistance, making it suitable for use in transformer operating environments and effectively extending its service life.
• 3. Appearance: The 1050 aluminum strip has a smooth appearance and is easy to process, providing high-quality material for transformer windings.
• 4. Performance: Due to its excellent conductivity and thermal conductivity, the 1050 aluminum strip is often used as a supporting material for transformer windings. It effectively reduces transformer losses and enhances overall performance.

Applications of 1050 Transformer Aluminum Strip

In the transformer manufacturing process, the 1050 aluminum strip, with its excellent conductivity and high purity, is an ideal material for transformer windings, especially as a connection material for winding coils.

Winding Coils

• Material Selection: The 1050 O-type aluminum strip is chosen for winding transformer coils due to its excellent conductivity and good plasticity. The O-type treatment of the aluminum strip provides good ductility, suitable for precise winding on transformer coils.
• Winding Process: According to transformer design requirements, the 1050 aluminum strip is precisely wound onto the windings. This winding method effectively controls the values of inductance, mutual capacitance, and distributed capacitance to meet the performance requirements of the transformer.

Connection Methods

• Winding Connections: The aluminum strip is used not only for winding but also for connections between coil turns. The use of aluminum strips for connections ensures stable electrical and mechanical connections between windings.
• Other Connection Methods: In addition to using aluminum strips for connections, other methods such as tin soldering or welding can also be employed in transformer production. These methods can further ensure secure connections and electrical performance between windings.

1050 Aluminium Strip Chemical Composition

Mechanical Properties of 1050 Aluminum Foils and Strips for Transformers

Haomei Other Alloy Transformer Aluminium Strips

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  1060 Transformer Aluminium Strips

  Annealed or O-state 1060 aluminum strip has higher flexibility and ductility, and its conductivity is better than 61.5% IACS.

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  1070 Transformer Aluminium Strips

  1070 aluminum strip has a conductivity of more than 62.7% IACS, and its thickness is generally 0.1mm to 3.5mm, which can adapt to the design requirements of different transformer windings and provide flexible options.

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  1350 Transformer Aluminium Strips

  1350 aluminum foil strip has a conductivity better than 62% IACS. It is widely used in transformer windings, especially oil-immersed and dry transformers. Its high conductivity ensures the high efficiency and stability of the transformer.