Influence on oil and copper ion in recent years by electric power enterprises and researchers, and analyze the influence of different valence states of copper on the performance of transformer oil, transformer oil insulation is an important medium for power transmission equipment of power system, its quality relates to the safe and stable operation of power equipment.
Due to the inevitable contact with metal copper during the operation of transformer oil, a small amount of copper element is often contained in the insulation oil of the transformer.
Copper and its ions can promote the oxidation of oil and influence its oxidation stability, and copper ions have a strong negative effect on the dielectric properties of oil products.
Copper sulphide in transformer oil, which has been running for several decades, has been traced and traced. It is found that copper sulfide has a great influence on the thermal stability of transformer oil.
Filter transformer oil has two important functions:
1, filter out the impurities in the transformer oil to keep the transformer oil pure, easy to smooth the transformer oil in the heat cycle, and facilitate the heat dissipation of the transformer.
2, filter out the water in the transformer oil, prevent the transformer oil deterioration, and keep the insulation performance of the transformer oil well. To avoid the transformer oil oil deterioration caused by the transformer internal charged part of the core and box discharge caused by short circuit caused by explosion.
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