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Extensive high resolution electro-optic Kerr field mapping measurements have been taken with transformer oil near 20°c using parallel plane electrodes and field strengths near 0.2 MV/m. Static field measurements have been extended to the transient period following the application of a step voltage. Significant space charge effects resulting in electrode fields being enhanced by a factor of up to 2...
As a result of our experiment the following outcomes are to be made: If c > 0.6 (x > 0.2) no spontaneous crystallization occurs and if c < 0.4 (x < 0.12) only the maximum of density is detected and for this concentration range crystalsization occurs always at temperatures higher than − 40°C. The replacement of 12 % water molecules by glycerol molecules seems sufficient for destroying the...
These two new experiments bring us more information about the behaviour of liquid dielectrics. We intend to develop them by studying more liquids and by analysing more precisely the main characters affecting the partial discharges.
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