Oil-immersed All-Copper Transformer

Oil-immersed pole-mounted transformer is a device that converts electrical energy from one voltage level to another. The transformer is cooled by insulating oil.

Oil-immersed all-copper transformers are used as main transformers in high-voltage power systems. This transformer is generally used in various large and medium-sized power plants, substations and industrial and mining enterprises.

The main purpose of the oil-immersed all-copper transformer is: as the main power supply to provide electric energy to the load equipment, to meet the requirements of various electrical equipment with different voltage levels, and to meet the requirements of large-capacity power system operation; as a basic electrical component, it is widely used It is used in industrial and mining enterprises, national key construction projects and large engineering projects, such as nuclear power plants, thermal power plants, large hydropower stations and railway electrification.

Oil-immersed all-copper transformers are important equipment in point systems. With the development of the provincial economy and science and technology, and the application of computer technology and digital technology in power systems, oil-immersed all-copper transformers will be further developed.

1.The transformer core is stacked with imported cold-rolled silicon steel sheets, which greatly reduces no-load loss and no-load current. 2.The core is tied to ensure the tightness of the core and reduce noise.

3.The high and low voltage windings are made of oxygen-free copper. The low-voltage windings of 500kVA and below adopt a double-layer cylindrical structure. The low-voltage windings of 630kVA and above adopt a double-helical or quadruple-helical structure. The high-voltage windings adopt a multi-layer cylindrical structure.

4.The transformer connection group uses Dynl to reduce the impact of harmonics on the power grid and improve the quality of power supply.

5.The transformer has a fully sealed structure, which extends its service life and requires no hanging or maintenance.

6.The measured noise value is lower than the standard.

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