An isolated bidirectional half-bridge active-clamp current-fed push-pull DC/DC converter for DC microgrid applications

Schulz M, Ditze S, Diller M, Han Y, März M (2019)

Publication Language: English

Publication Type: Conference contribution, Conference Contribution

Publication year: 2019

Event location: Genova IT

DOI: 10.23919/EPE.2019.8914806

Abstract

This paper describes an isolated bidirectional half-bridge active-clamp current-fed push-pull DC/DC converter developed for a DC microgrid. A novel modulation scheme is introduced for step-down operation, which decreases the switching losses mainly on the higher voltage side of the converter. Also, the effect on step-up operation mode is analyzed in detail. A prototype of the converter is built with a nominal output power of 600 W exhibiting a peak efficiency of 96.8% in step-down operation. Measurements show a good agreement with the simulated key waveforms. The topology has also a highly efficient step-up operation mode with a peak efficiency of 96.2%.

Authors with CRIS profile

Yunchao Han Lehrstuhl für Leistungselektronik Martin März Lehrstuhl für Leistungselektronik

Involved external institutions

Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie (IISB) DE Germany (DE)

How to cite

APA:

Schulz, M., Ditze, S., Diller, M., Han, Y., & März, M. (2019). An isolated bidirectional half-bridge active-clamp current-fed push-pull DC/DC converter for DC microgrid applications. In Proceedings of the 2019 EPE ECCE Europe. Genova, IT.

MLA:

Schulz, Matthias, et al. "An isolated bidirectional half-bridge active-clamp current-fed push-pull DC/DC converter for DC microgrid applications." Proceedings of the 2019 EPE ECCE Europe, Genova 2019.

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