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Particles and Moisture Effect on Dielectric Strength of Transformer Oil

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Particles and Moisture Effect on Dielectric Strength of Transformer Oil

Release date:2017-06-01 11:32 source:http://www.hlamec.com clicks:

             Particles and Moisture Effect on Dielectric Strength of Transformer Oil 

  The effect of particles and moisture on the 60 Hertz breakdown strength of transformer oil was investigated. Different sizes and concentrations of iron, copper and cellulose particles were used. The breakdown voltage was determined according to ASTM D1816 using VDE electrodes with an 80 mil (2 mm) gap. The breakdown strength of oil decreased approximately 25 percent when the moisture content was increased from 5 ppm to 20 ppm. A further reduction in the breakdown strength of oil occurred when iron, copper or cellulose particles were added to the oil. The transformer oil showed very low values of 60 Hertz breakdown strength as the result of the combined effects of moisture and particles' type, size and concentration.


Above analysis indicate the important of how to keep the transformer oil clean without water,particles and other impurity.In fact,choose a vacuum transformer oil purifier machine to do the on line work could solve all of the problems.Vacuum transformer oil purifier is specially designed for maintaining absolute cleanliness of transformer oil and insulating oils, it can separate water, gas, particles rapidly for recovery of oil’s properties,to improve the insulation performance of the transformer oil.transformer oil purifier is the most reliable, versatile, durable, and user-friendly machine in the industry today.


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