Downsizing an electric actuator supplied with variable voltage using an interlaced high frequency boost converter for more electric aircrafts

Cuenot, Jeremy; Zaim, Sami; Nahid‐Mobarakeh, Babak; Meuret, Régis; Meibody‐Tabar, Farid

doi:10.1109/epe.2015.7311763

Cited by 1 publication

(1 citation statement)

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“…During the past 15 years, new transistor technologies enable to reduce switching losses and pushing chopping frequencies up to hundreds of kilohertz and thus reduce power electronic masses and volumes by decreasing passive components and heatsink sizes (Gerber et al , 2018). Compact and efficient DC/DC (Cuenot et al , 2015) and DC/AC converters can be created by this new wide bandgap transistors. One of the most promising application is the charger for a full electric vehicle (Xue et al , 2015).…”

Section: Introductionmentioning

confidence: 99%

Impacts of using wide bandgap transistors on electronics and motors

Gerber

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Espanet

et al. 2020

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Purpose The purpose of this paper is to study the high-frequency impacts of fast switching wide-bandgap transistors on electronic and motor designs. The high-frequency power converters, dedicated to driving high-speed motors, require specific models to design predictively electronic and motors. Design/methodology/approach From magnetic and electric models, the high-frequency parasitic elements for both electronics and motor are determined. Then, high-frequency circuit models accounting for of parasitic element extractions are built to study the wide bandgap transistors commutations and their impacts on motor windings. Findings The results of the models, for electronics and motors, are promising. The high-frequency commutation cell study is used to optimize the layouts and to improve the commutation behaviours and performances. The impact of the switching speed is highlighted on the winding voltage susceptibility. Then, the switching frequency and commutation rapidity can be both optimized to increase the performance of motor and electronics. The electronic model is validated by experimentations. Research limitations/implications The method can be only applied to the existing motor and electronic designs. It is not taken into account in an automized global high-frequency optimizer. Originality/value Helped by magnetic and electric FEA calculations where the parasitic element extractions are performed. The switching frequency and commutation rapidity can be both optimized to increase the performance of motor and electronics.

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Section: Introductionmentioning

confidence: 99%