Epoxy resin three-phase dry-type transformer: guardian of stability under hot and cold shocks

Epoxy resin three-phase dry-type transformer, as the name suggests, is a dry-type transformer that uses epoxy resin as the insulating material and does not contain transformer oil. This kind of transformer is usually composed of iron core, coil, insulation layer, heat dissipation system and other parts. Its structural design fully considers the requirements of electrical performance, mechanical strength and heat dissipation performance.
Iron core: Made of stacked high-quality silicon steel sheets, it has the characteristics of low loss and low noise, and can effectively reduce the loss of energy during the conversion process.
Coil: It is wound with copper or aluminum wires and is insulated to ensure the safety and stability of the current during transmission.
Insulation layer: This is one of the most significant features of the epoxy resin three-phase dry-type transformer. Epoxy resin is used as the insulating material. Through impregnation, curing and other processes, a solid insulating layer is formed to effectively isolate the high and low voltage parts and prevent Electrical breakdown.
Heat dissipation system: Since dry-type transformers are oil-free, their heat dissipation methods mainly rely on natural cooling or forced air cooling. Through reasonable heat dissipation design, ensure that the temperature of the transformer is controlled within a safe range during operation.

The excellent stability of the epoxy resin three-phase dry-type transformer under hot and cold shock conditions is mainly due to the excellent performance of its insulating material - epoxy resin. Epoxy resin is a thermoset plastic with excellent thermal stability and mechanical strength, allowing it to maintain stable performance under extreme temperature conditions.
Thermal stability: The molecular structure of epoxy resin contains a large number of epoxy groups, which can form a stable cross-linked structure during the curing process, making epoxy resin have high thermal stability. Even in high-temperature environments, epoxy resin can maintain its original physical and chemical properties and will not undergo significant changes, such as softening, deformation or decomposition, due to rising temperatures. This thermal stability ensures the reliability and safety of the transformer under long-term high-temperature operation.
Mechanical strength: The insulation layer formed after curing of epoxy resin has high mechanical strength and can withstand large mechanical stress and impact force. In alternating hot and cold environments, epoxy resin can maintain its structural integrity and stability and will not crack, peel or deform due to temperature changes. This mechanical strength ensures stable operation of the transformer under extreme climatic conditions.
Weather resistance: Epoxy resin also has good weather resistance and can resist the effects of harsh environmental factors such as ultraviolet rays, moisture, and corrosion. For transformers operating outdoors or in harsh environments, the insulation layer can maintain its original performance for a long time and will not degrade or fail due to harsh environments.

Application advantages of epoxy resin three-phase dry-type transformers under hot and cold shock conditions
Strong adaptability: The epoxy resin three-phase dry-type transformer can operate stably under extreme temperature conditions, has strong adaptability, and can meet the needs of use in different regions and climate conditions.
High safety: Since it does not contain transformer oil, the epoxy resin three-phase dry-type transformer will not cause safety hazards such as fire or explosion during operation, greatly improving the safety of the power system.
Low maintenance costs: Epoxy resin three-phase dry-type transformers do not require regular replacement of transformer oil, which reduces maintenance costs and workload, and also reduces environmental pollution.
Environmental protection and energy saving: Epoxy resin three-phase dry-type transformer has low loss and noise, can effectively reduce energy consumption and environmental pollution, and meets the environmental protection requirements of modern power systems.

Application of epoxy resin three-phase dry-type transformers in specific fields
High-rise buildings: In high-rise buildings, due to limited space and high fire safety requirements, epoxy resin three-phase dry-type transformers are favored because of their oil-free, low noise, and high safety characteristics.
Data center: Data centers have extremely high requirements on the stability and reliability of the power system. Epoxy resin three-phase dry-type transformers can provide stable power supply to ensure the normal operation of the data center.
Rail transit: The power system in the rail transit system has extremely high requirements for transformers, which need to be able to withstand the impact of frequent starts and stops and heavy-load operation. Epoxy resin three-phase dry-type transformers are used for their excellent overload capacity and thermal and cold shock stability. Widely used in rail transit field.
New energy field: In the new energy field, such as wind power, photovoltaics, etc., due to the harsh environment and high requirements for equipment reliability and stability, epoxy resin three-phase dry-type transformers also play an important role.