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Why need treat Transformer oil?
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Why need treat Transformer oil?

Views:0     Author:Site Editor     Publish Time: 2013-12-07      Origin:Site

The majority of power transformers in operation today are filled with mineral oil. The primary function of the oil is to provide a high dielectric insulating material and an efficient coolant. The effectiveness of the oil as an insulating material is reduced as the moisture level increases, while cooling is reduced as the oil oxidizes. Reduce gas content and eliminate impurities from oil. 

The oxidation of transformer oil begins as soon as the transformer is energized. A chemical reaction occurs when the oil is exposed to a combination of heat, oxygen, and core and coil components. As the process of oxidation progresses, acids and polar compounds are formed and in turn become sludge. This sludge will then coat heat transfer surfaces on the core/coil and the tank/radiators, reducing the heat transfer capacity of the system. The operational temperatures are increased, thus accelerating the degradation of the oil. 

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