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Closed Form Solution for Minimum Conduction Loss Modulation of DAB Converters
Abstract
An optimal modulation scheme that enables minimum conduction and copper losses is presented for a bidirectional dual active bridge (DAB) dc-dc converter. The considered converter system is employed for an automotive application and comprises of a high voltage (HV) port with port voltageV1, 240V ≤V1≤ 450 V, and a low voltage (LV) port with port voltageV2, 11 V ≤V2≤ 16 V; the rated output power is 2 kW. The closed-form expressions for the optimal control parameters are derived and implementation details are presented in order to facilitate the direct application to a given DAB converter. The paper further details the properties of the presented modulation scheme with respect to switching losses. Experimental results confirm a considerable increase of the converter efficiency achieved with the proposed optimal modulation scheme, compared to the efficiency obtained with conventional phase shift modulation. The efficiency increase is most distinct atV1=450V andV2= 11V with an increase from 78.6% to 90.6% at 1 kW output power and from 85.9% to 90.7% at rated output power as compared to conventional phase shift modulation.
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Citations
Cited by
Zhao, B., Song, Q., Liu, W., & Sun, Y. (2014) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2013.2289913 · Cited by 1,886
Minimum-Current-Stress Scheme of Dual Active Bridge DC-DC Converter With Unified-phase-shift Control
Hou, N., Song, W., & wu, M. (2016) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2016.2521410 · Cited by 369
Design and Demonstration of a 3.6-kV–120-V/10-kVA Solid-State Transformer for Smart Grid Application
She, X., Yu, X., Wang, F., & Huang, A. Q. (2014) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2013.2293471 · Cited by 324
Bidirectional Onboard Chargers for Electric Vehicles: State-of-the-Art and Future Trends
Wouters, H., & Martinez, W. (2024) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2023.3319996 · Cited by 280
Weise, N. D., Castelino, G., Basu, K., & Mohan, N. (2014) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2013.2293112 · Cited by 223
Metadata
- Authors
- Krismer, F., & Kolar, J. W.
- Venue
- IEEE Transactions on Power Electronics
- Published
- 2012-01
- Volume
- 27
- Issue
- 1
- Pages
- 174-188
- ISSN
- 0885-8993 (ISSN-L)
- 1941-0107
- OpenAlex
- W2014599897
- Cited by
- 635
- References
- 0
- FWCI
- 10.92
- Type
- journal article
- Language
- en
- Open access
- closed
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- Krismer, F., & Kolar, J. W. (2012). Closed Form Solution for Minimum Conduction Loss Modulation of DAB Converters. IEEE Transactions on Power Electronics. https://doi.org/10.1109/tpel.2011.2157976
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