As the “heart” of the power system, the transformer undertakes key tasks such as voltage conversion, power distribution and transmission. Its importance is self-evident. The insulation material is the “guardian” of the stable operation of the transformer. It is like a solid line of defense, isolating the different potential parts inside the transformer and ensuring that the current can flow in an orderly manner within the predetermined path. It is an indispensable key element for the normal operation of the transformer.
High-quality insulation materials can effectively prevent electrical breakdown of transformers under high voltage conditions and ensure the stable operation of the power system. Transformer devices with high insulation strength can reduce the risk of electric shock caused by electrical faults and ensure the safety of operators.
High-quality insulation materials can maintain their insulation properties in high temperature environments for a long time, preventing aging and damage. For example, polyimide (PI) is a high-temperature insulation material that is often used in high-temperature areas of dry type transformers and can withstand working conditions in high temperature environments.
High-quality insulation materials can withstand vibration and impact during transformer operation, and enhance the stability and safety of the transformer. For example, transformer insulation paperboard not only maintains good insulation performance at high temperatures, but also withstands certain tensile and torsional forces under mechanical stress.
The inside of the transformer is filled with transformer oil and other chemicals. These substances may react chemically with the insulation material, causing performance degradation or failure. Therefore, the insulation material needs to have stable chemical properties and be able to resist the erosion of these chemicals.
High-quality insulation materials usually have excellent chemical stability and can maintain stable performance under the action of various chemicals. They will not react with transformer oil or other chemicals, nor will they cause performance degradation or failure due to chemical reactions. This allows the transformer to maintain stable operating performance in various complex environments.
High-quality insulation materials can resist the influence of external environmental factors such as ultraviolet rays, humidity and oxidation, and extend the service life of the transformer. For example, glass fiber reinforced epoxy resin (GRP) has good weather resistance and is suitable for the insulation structure part of dry type transformers.
High-quality insulation materials can reduce the failure rate of equipment during operation, thereby improving the reliability and service life of the equipment. For example, the selection of high-quality insulating oil can effectively improve the insulation strength and stability of the transformer.
The use of high-quality insulation materials for transformers is an important means to ensure their performance, life and reliability. High-quality insulation materials have excellent electrical insulation performance, heat resistance and aging resistance, mechanical strength and other key performance indicators. They can maintain stable performance in various complex environments, ensuring the safety and stability of transformers under long-term and high-load operation. Therefore, when designing and manufacturing transformers, high-quality insulation materials should be given priority to ensure the safe and stable operation of the power system.
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