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Electrical Aging of the Insulation of Low Voltage Machines: Model definition and test with the Design of Experiments

Lahoud, Nadine and Faucher, Jérôme and Malec, David and Maussion, Pascal Electrical Aging of the Insulation of Low Voltage Machines: Model definition and test with the Design of Experiments. (2013) IEEE Transactions on Industrial Electronics, 60 (9). 4147-4155. ISSN 0278-0046

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Official URL: http://dx.doi.org/10.1109/TIE.2013.2245615

Abstract

The aim of this paper is to present a method for modeling the lifespan of insulation materials in a partial discharge regime. Based on the design of experiments, it has many advantages: it reduces the number of time-consuming experiments, increases the accuracy of the results and allows lifespan modeling under various stress conditions including coupling effects between the factors. Accelerated aging tests are carried out to determine the lifespan of these materials. The resulting model presents an original relationship between the logarithm of the insulation lifespan and that of electrically applied stress and an exponential form of the temperature. Results show that the most influential factors can be identified according to their effects on the insulation lifespan. Moreover, the lifespan model validity is tested either with additional points which have not been used for modeling or through statistical tests. Finally, it is shown that fractional plans are not suitable to reduce the number of experiments. This application of the experimental design is best used during the initial phase, before the final drive has been built and any on-line diagnostic.

Item Type:Article
Additional Information:Thanks to IEEE editor. The original publication is available at http://ieeexplore.ieee.org
HAL Id:hal-00845292
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Airbus (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Laboratory name:
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Deposited By: Pascal MAUSSION
Deposited On:16 Jul 2013 15:23

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