99230 20230622083321.0 doi 10.1049/pel2.12030 sideral 122249 ART-2020-122249 eng Lope, I. Universidad de Zaragoza (orcid)0000-0003-4858-9734 First self-resonant frequency of power inductors based on approximated corrected stray capacitances 2020 Access copy available to the general public Unrestricted Inductive devices are extensively employed in power electronic systems due to their magnetic energy storage and power transfer capabilities. The current trend is towards increasing the frequency of operation in order to reduce the size of the magnetic components, but the main drawback is that the parasitic capacitance effect can become significant, and degrade the performance of the system. This work analyses the influence of this stray capacitance, and considers how to improve the performance of the device. In general, the impact of the stray capacitance on a magnetic component can be reduced by two methods: reducing the parasitic capacitance between turns of the winding or, alternatively, modifying the arrangement of the connection between turns. To evaluate the last option, an approximated expression of the first self-resonant frequency of the magnetic device is proposed. This gives a rapid assessment of the performance of different devices maintaining the overall equivalent inductance. The proposed expression accounts for the influence of the connection between turns in the bandwidth of the component. Finally, some numerical results are verified with planar coils manufactured on two-layer printed circuit boards. info:eu-repo/grantAgreement/ES/DGA/FSE info:eu-repo/grantAgreement/ES/MICINN-AEI/RTC-2017-5965-6 info:eu-repo/grantAgreement/ES/MICINN/PID2019-103939RB-I00 info:eu-repo/semantics/openAccess by http://creativecommons.org/licenses/by/3.0/es/ 2.641 2020 ENGINEERING, ELECTRICAL & ELECTRONIC 126 / 273 = 0.462 2020 Q2 T2 0.637 2020 Electrical and Electronic Engineering 2020 Q2 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Carretero, C. Universidad de Zaragoza (orcid)0000-0001-7901-9174 Acero, J. Universidad de Zaragoza (orcid)0000-0001-7207-5536 2002 385 Universidad de Zaragoza Dpto. Física Aplicada Área Física Aplicada 5008 785 Universidad de Zaragoza Dpto. Ingeniería Electrón.Com. Área Tecnología Electrónica 2002 247 Universidad de Zaragoza Dpto. Física Aplicada Área Electromagnetismo 14, 2 (2020), 257-267 IET power electron. IET Power Electronics 1755-4535 925986 http://zaguan.unizar.es/record/99230/files/texto_completo.pdf Versión publicada 2716013 http://zaguan.unizar.es/record/99230/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:99230 articulos driver 2023-06-21-15:03:04 ARTICLE