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Measuring Coupling Coefficient of Windings With Dissimilar Turns' Number or Tight Coupling Using Resonance

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Measuring Coupling Coefficient of Windings With Dissimilar Turns' Number or Tight Coupling Using Resonance

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dc.contributor.author	Gilabert Palmer, David
dc.contributor.author	Sanchis Kilders, Esteban
dc.contributor.author	Esteve Gómez, Vicente
dc.contributor.author	Ferreres Sabater, Agustín
dc.contributor.author	Ejea Martí, Juan Bautista
dc.contributor.author	Maset Sancho, Enrique
dc.contributor.author	Jordán Martínez, José
dc.contributor.author	Dede García-Santamaría, Enrique
dc.date.accessioned	2023-11-24T14:31:28Z
dc.date.available	2023-11-24T14:31:28Z
dc.date.issued	2018
dc.identifier.uri	https://hdl.handle.net/10550/91421
dc.description.abstract	Multiple coupled inductors are used in power electronics to improve the dynamic cross regulation and to reduce mass and volume, mainly in high performance application, such as space or defense, where manufacturing cost is not the main driver. These elements can be modeled with its inductance matrix which is a symmetric and positive semidefinite matrix. The inductance matrix eases circuit analysis, many known circuital models are directly related to it and it can be used in SPICE simulation via its coupling coefficient component, which can be identified as the normalized matrix of the inductance matrix. Therefore, a precise and correct measurement technique of the inductance matrix or coupling coefficient matrix is needed. This paper analyzes different measuring techniques described in the technical literature and proposes a new method to measure the coupling coefficient or inductance matrix of tight coupled or dissimilar turns' number windings, where other methods fail. A discussion follows, to know the influence of parasitic elements in the accuracy of the new proposed method called resonance (RE) method. The paper adds three experimental examples to verify the theoretical study and concludes that the RE method provides correct values of the coupling coefficient k of tight coupled or dissimilar turns' number windings compared to other measurement techniques.
dc.language.iso	eng
dc.relation.ispartof	IEEE Transactions on Power Electronics, 2018, vol. 33, num. 11, p. 9790-9802
dc.source	D. Gilabert-Palmer et al., "Measuring Coupling Coefficient of Windings With Dissimilar Turns’ Number or Tight Coupling Using Resonance," in IEEE Transactions on Power Electronics, vol. 33, no. 11, pp. 9790-9802, Nov. 2018, doi: 10.1109/TPEL.2018.2794621.
dc.subject	enginyeria elèctrica
dc.title	Measuring Coupling Coefficient of Windings With Dissimilar Turns' Number or Tight Coupling Using Resonance
dc.type	journal article
dc.date.updated	2023-11-24T14:31:28Z
dc.identifier.doi	10.1109/TPEL.2018.2794621
dc.identifier.idgrec	128857
dc.rights.accessRights	open access