PSpice modeling of the pulsed electroacoustic method for dispersive polymer sample application.
PSpice modeling of the pulsed electroacoustic method for dispersive polymer sample application.
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用于分散聚合物样品应用的脉冲电声方法的 PSpice 建模。
DOI：
10.1063/5.0009706
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
D. Payan
中科院分区：
文献类型：
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作者：
A. Pujol;L. Berquez;F. Baudoin;D. Payan
在空间应用中，电介质材料内部的空间电荷会导致不必要的现象，如击穿和静电放电。为了防止此类事件的发生，脉冲电声（PEA）装置被用来测量电介质样品的空间电荷。遗憾的是，目前大多数PEA信号处理方法在研究衰减和分散声波的电介质材料以及研究多层或薄样品时是不准确的。在PSpice软件下的一个模型，在这项工作中开发的目的是提高PEA信号处理。该模型是以前的工作，包括衰减和分散的聚合物样品使用近本地Kramers-Kronig关系的演变。该聚合物样品的模型被实现到PSpice中，作为使用Branin的特性模型方法的频率依赖传输线。一个模型模拟和实验从PTFE样品获得的PEA信号的比较。
In space applications, space charge inside dielectric materials can lead to unwanted phenomena such as breakdown and electrostatic discharge. To prevent such incidents, the pulsed electroacoustic (PEA) device is employed to measure the space charge of dielectric samples. Unfortunately, most of the current PEA signal processing methods are inaccurate in studying the dielectric materials that attenuate and disperse the acoustic wave, as well as studying multi-layer or thin samples. A model under the PSpice software is developed in this work with the aim of improving the PEA signal processing. This model is an evolution of previous works, including the attenuation and dispersion of a polymer sample using the nearly local Kramers-Kronig relation. This model of the polymer sample is implemented into PSpice as a frequency dependent transmission line using Branin's method of characteristics model. A comparison of a model simulation and an experimental PEA signal obtained from a PTFE sample is presented.