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Unified Models for Coupled Inductors Applied to Multiphase PWM Converters

Author(s): Chen, Minjie; Sullivan, Charles

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dc.contributor.authorChen, Minjie-
dc.contributor.authorSullivan, Charles-
dc.date.accessioned2023-12-24T15:04:20Z-
dc.date.available2023-12-24T15:04:20Z-
dc.date.issued2021-06-09en_US
dc.identifier.citationChen, Minjie, Sullivan, Charles. (2021). Unified Models for Coupled Inductors Applied to Multiphase PWM Converters. IEEE Transactions on Power Electronics, 36 (12), 14155 - 14174. doi:10.1109/tpel.2021.3088083en_US
dc.identifier.issn0885-8993-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1r20rw6k-
dc.description.abstractCircuit models for multiphase coupled inductors are summarized, compared, and unified. Multiwinding magnetic structures are classified into parallel-coupled structures and series-coupled structures. For parallel-coupled structures used for multiphase inductors, the relationships between a) inductance-matrix models, b) extended cantilever models, c) magnetic-circuit models, d) multiwinding transformer models, e) gyrator-capacitor models, and f) inductance-dual models are examined and discussed. These models represent identical physical relationships in the multiphase coupled inductors, but emphasize different physical aspects and offer distinct design insights. The circuit duality between the series-coupled structure and the parallel-coupled structure is explored. Design equations for interleaved multiphase buck converters based on these models are streamlined and summarized, and a simplified equation showing the relationships between current ripple with and without coupling is presented. The models and design equations are verified through theoretical derivation, SPICE simulation, and experimental measurements.en_US
dc.format.extent14155 - 14174en_US
dc.language.isoen_USen_US
dc.relation.ispartofIEEE Transactions on Power Electronicsen_US
dc.rightsAuthor's manuscripten_US
dc.titleUnified Models for Coupled Inductors Applied to Multiphase PWM Convertersen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1109/tpel.2021.3088083-
dc.identifier.eissn1941-0107-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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