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Determination of the Power Balance for Thin Ag-SnO2 Electrodes Submitted to an Electric Arc Based on IR Thermography

Abstract : The objective of the work presented here is to estimate the characteristics of the power balance, i.e. the power and the surface power density that the electric arc brings to Ag-SnO 2 electrodes. This work is first based on an experimental study carried out using an IR camera with which we measured the temperature in a zone close to the area impacted by the arc, but not flashed by it. In a second step, the temperature distributions obtained are compared with the results of a numerical model of the electrode heating. The model input parameters are the power P and the surface power density Q. Solving this inverse problem thus makes it possible to estimate values of P and Q leading to measured and calculated heating (temperature distribution) that are as similar as possible. Such a method has been applied for Ag-SnO 2 cathodes and anodes and for various intensities of the arc current in a range 80-200 A.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-03800996
Contributor : Frédéric Houzé Connect in order to contact the contributor
Submitted on : Thursday, October 6, 2022 - 5:05:19 PM
Last modification on : Thursday, October 13, 2022 - 3:09:40 AM

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Romaric Landfried, Mohamed Boukhlifa, Frédéric Houzé, Thierry Leblanc, Philippe Teste. Determination of the Power Balance for Thin Ag-SnO2 Electrodes Submitted to an Electric Arc Based on IR Thermography. IEEE Transactions on Components, Packaging and Manufacturing Technology, 2022, ⟨10.1109/TCPMT.2022.3212471⟩. ⟨hal-03800996⟩

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