How does humidity affect the operation of transformers?

Relative humidity is expressed as a percentage at a certain temperature. At high temperatures, if the relative humidity is high, it is prone to the proliferation of mold. These molds may have adverse effects on the paint on the surface of the transformer tank. Additionally, in situations of high temperature and high relative humidity, when the temperature drops, the relative humidity increases, leading to the condensation of water and a decrease in the surface resistance of the bushing. High humidity can also impact the corrosion of metals.

Generally, the design of products should take into account conditions where the relative humidity is 90% at 25°C. If there are specific requirements, they can be specified in the contract.

LuShan, est. 1975, is a Chinese professional manufacturer specializing in power transformers and reactors for 49 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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