科研之友
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摘要
Given the non-linearity of changes in the dielectric and mechanical properties of insulation, it is difficult to find neither a theoretical nor an experimental model for the aging mechanism. Hence, the need to model the evolution of mechanical properties of the XLPE material under thermal aging using new methods is necessary. The use of fuzzy logic is one of these methods and presents an original idea in high voltage prediction problems. Several factors were considered, namely the aging time and the level of applied temperature. The study of the impact of these parameters on the quality of the fuzzy algorithm is carried out. The characteristics of the modelling trapezoidal or triangular) and the number of membership functions partitions was also taken into consideration. The obtained results were encouraging. It has been proved that fuzzy logic is a powerful tool that can be used in predicting the properties of insulation. Furthermore, the analytical findings were in good agreement with the experimental results with an acceptable error margin.
- 出版日期2014
