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Effect of Type of Aging Voltage on the Residual Breakdown Strength of Polypropylene Films with Natural and Synthetic Nanofillers

机译:老化电压类型对天然和合成纳米填料聚丙烯薄膜残余击穿强度的影响

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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 imaged samples to evaluate the effect of PD on the remnant breakdown strength of samples with and without nanocomposites.
机译:老化条件对样品的残余击穿强度起着重要的作用,因为局部放电特性会影响样品性能随老化电压的类型而急剧变化。在老化期间,引起局部放电特性变化的空间电荷的形成取决于老化期间施加的电场。在这项工作中,对天然和合成的纳米填充和未填充的PP在不同类型的电压曲线下老化时的残余击穿强度进行了研究。在该实验中使用了合成的(2,4和8 wt%)和天然的(0、2和6 wt%)有机粘土样品。纳米复合材料在不同的老化条件下老化。具有相同组成的样品要经受恒定电压老化,阶跃电压老化和斜坡电压老化。将各种类型的电压施加到纳米复合材料上,以观察它们在不同老化条件下的行为。对老化和成像的样品进行了击穿强度分析,以评估PD对有或没有纳米复合材料的样品的残余击穿强度的影响。

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