Dynamic analysis model of a class E2 converter for low power wireless charging links

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dc.contributor.author Bati, Akram
dc.contributor.author Luk, Patrick Chi-Kwong
dc.contributor.author Aldhaher, Samer
dc.contributor.author See, Chan H.
dc.contributor.author Abd-Alhameed, Raed A.
dc.contributor.author Excell, Peter S.
dc.date.accessioned 2019-04-02T14:38:01Z
dc.date.available 2019-04-02T14:38:01Z
dc.date.issued 2019-01-07
dc.identifier.citation Bati A, Luk PCK, Aldhaher S, et al., (2019) Dynamic analysis model of a class E2 converter for low power wireless charging links. IET Circuits, Devices and Systems, Volume 13, Issue 3, May 2019, pp. 399-405 en_UK
dc.identifier.issn 1751-858X
dc.identifier.uri https://doi.org/10.1049/iet-cds.2018.5091
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/14034
dc.description.abstract A dynamic response analysis model of a Class E2 converter for wireless power transfer applications is presented. The converter operates at 200 kHz and consists of an induction link with its primary coil driven by a class E inverter and the secondary coil with a voltage-driven class E synchronous rectifier. A seventh-order linear time invariant state-space model is used to obtain the eigenvalues of the system for the four modes resulting from the operation of the converter switches. A participation factor for the four modes is used to find the actual operating point dominant poles for the system response. A dynamic analysis is carried out to investigate the effect of changing the separation distance between the two coils, based on converter performance and the changes required of some circuit parameters to achieve optimum efficiency and stability. The results show good performance in terms of efficiency (90–98%) and maintenance of constant output voltage with dynamic change of capacitance in the inverter. An experiment with coils of the dimension of 53 × 43 × 6 mm3 operating at a resonance frequency of 200 kHz, was created to verify the proposed mathematical model and both were found to be in excellent agreement. en_UK
dc.language.iso en en_UK
dc.publisher IET en_UK
dc.rights Attribution-NonCommercial 4.0 International *
dc.rights.uri http://creativecommons.org/licenses/by-nc/4.0/ *
dc.subject coils en_UK
dc.subject invertors en_UK
dc.subject linear systems en_UK
dc.subject rectifiers en_UK
dc.subject eigenvalues and eigenfunctions en_UK
dc.subject inductive power transmission en_UK
dc.subject dynamic response en_UK
dc.subject state-space methods en_UK
dc.title Dynamic analysis model of a class E2 converter for low power wireless charging links en_UK
dc.type Article en_UK

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