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31 August 2015 Effect of type of aging voltage on the residual breakdown strength of polypropylene films with natural and synthetic nanofillers
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Abstract
The aging conditions play a prominent role on the remnant breakdown strength of the samples as the partial discharge characteristics which affect the sample performance change drastically with the type of aging voltage. During aging, the formation of space charge that causes change in partial discharge characteristics depends on the electric field applied during aging. In this work, an investigation into remnant breakdown strength of natural and synthetic nanofilled and unfilled PP is done when aged under different types of voltage profiles. Synthetic (2, 4 and 8 wt-%) and natural (0, 2 and 6 wt-%) organoclay samples were used in this experiment. The nanocomposites were aged under different aging conditions. Samples of same composition were exposed to constant voltage aging, step voltage aging, and ramp voltage aging. The various types of voltages were applied to the nanocomposites to observe how they would behave under different aging conditions. Breakdown strength analyses was done on aged and unaged samples to evaluate the effect of PD on the remnant breakdown strength of samples with and without nanocomposites.
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Charles M. Taylor Jr., Antwarn Watson, Rohitha Dhara, and Prathap Basappa "Effect of type of aging voltage on the residual breakdown strength of polypropylene films with natural and synthetic nanofillers", Proc. SPIE 9558, Nanostructured Thin Films VIII, 955819 (31 August 2015); https://doi.org/10.1117/12.2196407
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