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Piecewise Linear Model for Snubberless Dual Active Bridge Commutation.
- Source :
- IEEE Transactions on Industry Applications; Sep2015, Vol. 51 Issue 5, p4072-4078, 7p
- Publication Year :
- 2015
-
Abstract
- A dual active bridge (DAB) converter promises high power density. The highest power transfer can be achieved by phase shift modulation inside the zero-voltage switching boundaries. This paper analyzes the transients of DAB commutation. Although commutation has been previously analyzed for DAB with the linear turn-off snubbers, in today's industries, the output capacitors of the switches are utilized as the snubberless approach. The presence of these time-variant capacitors leads to nonlinear equations. This paper applies a piecewise linear model for analyzing the commutation of the ac-link current into the switches. The study is inspired by practical experiments, and the results are experimentally verified. [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 00939994
- Volume :
- 51
- Issue :
- 5
- Database :
- Complementary Index
- Journal :
- IEEE Transactions on Industry Applications
- Publication Type :
- Academic Journal
- Accession number :
- 109554673
- Full Text :
- https://doi.org/10.1109/TIA.2015.2434803