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Bibliographic record number: 886617

Journal

Authors: Miličević, Kruno; Biondić, Ivan; Vulin, Dragan
Title: Measurement uncertainty of the instantaneous characteristics of nonlinear coil obtained by Dommel method
Source: Iet science measurement & technology (1751-8822) 11 (2017), 8; 1049-1057
Paper type: article
Keywords: Coils, Measurement, Modeling, Nonlinearities, Uncertainty, Monte Carlo methods
Abstract:
The characteristics of coil are obtained through the following measurement: the root mean square (RMS) coil current, as a function of RMS coil voltage, and the coil loss, as a function of RMS coil voltage. These values were then transformed, using Dommel's method, into instantaneous characteristics of nonlinear coil, in a form of a nonlinear inductance, representing saturation effect ; in parallel with the nonlinear resistance representing coil loss. The instantaneous characteristics are composed of peak values of resistance current and voltage, and inductance current and flux. The uncertainties of the characteristics are defined through the uncertainty of the peak values. The uncertainty of instantaneous characteristics is calculated on an example of a coil realized as unloaded iron-cored toroid transformer with a strip- wounded core made of oriented transformer sheets (M5- type) using the adaptive Monte Carlo method (MCM) and uncertainty framework of “Guide to the expression of uncertainty in measurement” (GUM). Results reveal the peculiarities of both methods and the impact of the uncertainty of measured values on the uncertainty of instantaneous characteristics.
Original language: ENG
Citation databases: Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Category: Znanstveni
Research fields:
Mathematics,Physics,Electrical engineering
URL: http://digital-library.theiet.org/content/journals/10.1049/iet-smt.2016.0426
Broj citata:
Altmetric:
DOI: 10.1049/iet-smt.2016.0426
URL cjelovitog rada:
Google Scholar: Measurement uncertainty of the instantaneous characteristics of nonlinear coil obtained by Dommel method
Contrib. to CROSBI by: Ivan Biondić (ivan.biondic@etfos.hr), 18. Srp. 2017. u 09:15 sati



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