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Development and Optimization of a Pulsed Electroacoustic System with Temperature Controlled Electrodes

Hussain, Rashid and Hinrichsen, Volker (2019):
Development and Optimization of a Pulsed Electroacoustic System with Temperature Controlled Electrodes.
In: 26th Nordic Insulation Symposium on Materials, Components and Diagnostics, Tampere, Finnland, 12.06.19 - 14.06.19, [Online-Edition: https://www.ntnu.no/ojs/index.php/nordis/index],
[Conference or Workshop Item]

Abstract

This work presents the important steps in developing and optimizing a Pulsed Electroacoustic (PEA) system. The aim is to investigate silicone rubbers (LSR) with different amount of nanofillers. Therefore, the influence of the nanofillers on the acoustic behavior such as the acoustic impedance and the speed of sound is investigated. A detailed description of the acoustic detection unit is provided. To allow the measurement at different absolute temperatures and also at temperature gradients the electrodes are temperature controlled. Reference measurements are performed to give a better and more accurate temperature profile estimation inside the samples. The influence of temperature on the attenuation and dispersion factors of different LSR samples is outlined. A final procedure for signal processing is presented to determine the correct space charge distribution.

Item Type: Conference or Workshop Item
Erschienen: 2019
Creators: Hussain, Rashid and Hinrichsen, Volker
Title: Development and Optimization of a Pulsed Electroacoustic System with Temperature Controlled Electrodes
Language: English
Abstract:

This work presents the important steps in developing and optimizing a Pulsed Electroacoustic (PEA) system. The aim is to investigate silicone rubbers (LSR) with different amount of nanofillers. Therefore, the influence of the nanofillers on the acoustic behavior such as the acoustic impedance and the speed of sound is investigated. A detailed description of the acoustic detection unit is provided. To allow the measurement at different absolute temperatures and also at temperature gradients the electrodes are temperature controlled. Reference measurements are performed to give a better and more accurate temperature profile estimation inside the samples. The influence of temperature on the attenuation and dispersion factors of different LSR samples is outlined. A final procedure for signal processing is presented to determine the correct space charge distribution.

Divisions: 18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Institute for Electrical Power Systems > High Voltage Technology
18 Department of Electrical Engineering and Information Technology > Institute for Electrical Power Systems
Event Title: 26th Nordic Insulation Symposium on Materials, Components and Diagnostics
Event Location: Tampere, Finnland
Event Dates: 12.06.19 - 14.06.19
Date Deposited: 07 May 2019 10:54
Official URL: https://www.ntnu.no/ojs/index.php/nordis/index
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