Electrical impedance as a technique for civil engineer structures surveillance : considerations on the galvanic insulation of samples
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hdl:2117/2865
Tipus de documentArticle
Data publicació2007
EditorInstitute of Physics
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
Since Electric Impedance Spectroscopy (EIS) has been widely used to determine physical properties of materials, it becomes necessary to evaluate different error contributions. In this work, it is studied the effect of the current leakage due to the lack of galvanic insulation from sample to ground, which could distort the results. In order to known the effects of ground coupling, an electric equivalent model is developed to distinguish between the contribution of the sample impedance and the stray impedance one. Model values agree with measured ones.
CitacióTorrents, J.M.; Juan-García, P.; Aguado, A. Electrical impedance as a technique for civil engineer structures surveillance : considerations on the galvanic insulation of samples. Measurement science technology, 2007, vol. 18, no. 7, p. 1958.
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