Communications - Scientific Letters of the University of Zilina 2010, 12(2):49-52 | DOI: 10.26552/com.C.2010.2.49-52
Methods of Humidityanalysis in Transformer Oil
- 1 Department of Measurements and Applied Electrical Engineering, University of Zilina, Slovakia
- 2 Department of Physics, University of Zilina, Slovakia
To prevent failure states of transformer, we performed different types of measurements. We made measurements of a frequency dependence of capacity of test transformer immersed in tank with transformer oil. The capacity illustrates a momentary state of the measured equipment and its variations to indicate the changes in the transformer oil. Water content in the transformer oil causes deterioration of its insulation and, finally, thermal defect of solid insulation.
Keywords: humidity, transformer, insulation resistance, dissipation factor
Published: June 30, 2010 Show citation
References
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