Exploring the Boundaries and Effects of the Discontinuous Conduction Mode in H-Bridge Inverter with Dead-time

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Dead-time of an H-bridge inverter can cause nonlinear error on the inverter output. In different switching cycles during a fundamental period, the effect of dead-time might be different. The H-bridge inverter in different switching cycles can operate in three kinds of modes, including soft-switching continuous
conduction mode, discontinuous conduction mode and hard-switching continuous conduction mode. In addition, the discontinuous conduction mode can be further classified into four different types, which have not been fully studied in previous research. In this paper, four different kinds of switching cycle in the discontinuous conduction mode are investigated. The effect of the dead-time on the voltage error is elaborated and the boundaries of each kind of switching cycle are determined by a series of constraint functions. Based on the analysis, a complete mathematical expression of the voltage error in a fundamental period is given and it yields a better accuracy compared to previous publications.
Originele taal-2Engels
Titel2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)
UitgeverijInstitute of Electrical and Electronics Engineers
StatusGeaccepteerd/In druk - 2020
Evenement2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe) - https://epe-ecce-conferences.com/epe2020/, Lyon, Frankrijk
Duur: 7 sep 202011 sep 2020

Congres

Congres2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)
Verkorte titelEPE'20 ECCE Europe
LandFrankrijk
StadLyon
Periode7/09/2011/09/20

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  • Citeer dit

    Yu, Q., Lemmen, E., Wijnands, C. G. E. K., & Vermulst, B. J. D. (Geaccepteerd/In druk). Exploring the Boundaries and Effects of the Discontinuous Conduction Mode in H-Bridge Inverter with Dead-time. In 2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe) Institute of Electrical and Electronics Engineers.