Development of Electrical Breakdown in Transformer Oil
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| Title | Development of Electrical Breakdown in Transformer Oil |
| Authors | |
| Abstract | Power transformers are key equipment for transfer and distribution of the electric power. Considering the significance of the power transformers in the electric system, their price and possible damages occurred by accidents, it is necessary to pay attention to their higher prevention. To prevent failure states of transformers, we perform different types ofmeasurements. They shall illustrate a momentary state of the measured equipment and if necessary to draw attention in advance to changes of parameters, which have specific relationship to no-failure operation of the equipment. The conditions under which breakdown of composite liquid/ solid insulation can occur, e.g. in transformer, play an important role in designing such insulation. The liquid, mainly mineral oil, generally constitutes the weakest part of insulation and a great amount of work has been devoted to the study of streamers, which appear in the gaseous phase, and most often are triggering the failure of insulation. |
| Publisher | Faculty of Electrical Engineering and Computer Science |
| Date | 2011-06-22 |
| Source | Advances in Electrical and Electronic Engineering Vol 5, No 1 - 2 (2006): March - June |
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