The insulation class and the maximum withstand temperature of a transformer are closely related. The insulation class is typically used to indicate the ability of the transformer's insulation system to withstand voltage stress and prevent insulation material damage. The maximum withstand temperature refers to the highest temperature that the transformer's insulation system can tolerate, beyond which it may lead to aging, cracking, or failure of the insulation material.

Here is the relationship between insulation class and maximum withstand temperature:

Choice of Insulation Material: The insulation class determines which insulation material is used and its quality requirements. Generally, transformers with higher insulation classes require insulation materials that can withstand higher temperatures to ensure that the system does not fail under high-voltage conditions.

Temperature Rise: Transformers generate a certain temperature rise during operation due to energy losses caused by current resistance in the windings. The insulation class and maximum withstand temperature need to consider this temperature rise to ensure that the transformer does not exceed the temperature limits of the insulation material under rated load.

Lifespan and Reliability: Higher insulation classes often imply higher insulation quality and longer lifespan. Choosing the appropriate insulation class can extend the transformer's lifespan and enhance its reliability.

Environmental Conditions: The relationship between insulation class and maximum withstand temperature is also influenced by the environmental conditions in which the transformer operates. If the transformer needs to work in high-temperature or harsh environments, it is necessary to select insulation materials and classes with higher maximum withstand temperatures.

In summary, the relationship between insulation class and maximum withstand temperature is essential to ensure that the transformer operates stably under various conditions and can withstand potential insulation damage. Choosing the right insulation class is crucial for the performance and safety of the transformer.

LuShan, est. 1975,  is a Chinese professional manufacturer specializing in power transformers and reactors for 48 years. Leading products are single-phase transformer, three-phase transformers, DC inductors, AC reactors, filtering reactor, expoxy resin high-voltage transformer and intermediate, high-frequency products. Our transformers and reactors are widely used in 10 application areas: rapid transit, construction machinery, renewable energy, intelligent manufacturing, medical equipment, coal mine explosion prevention , excitation system, vacuum sintering, central air conditioning.

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