Optimal design of a high-efficiency bidirectional isolated DC-DC converter across a wide range of power transfer

Nadia Mei Lin Tan, Takahiro Abe, Hirofumi Akagi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper discusses an optimal operating frequency range and optimal switching dead times for a 6-kW, full-bridge, bidirectional isolated dc-dc converter with focus on improving converter efficiency. The optimal frequency of the dc-dc converter is defined by making its frequency-dependent loss equal to its frequency-independent loss. The maximum efficiency of the dc-dc converter operating at 4 kHz is measured at 98.1% during battery charging and at 98.2% during battery discharging. The converter maintains a high efficiency of more than 97% in a wide range of power transfer.

Original languageEnglish
Title of host publicationPECon 2012 - 2012 IEEE International Conference on Power and Energy
Pages22-27
Number of pages6
DOIs
Publication statusPublished - 2012
Event2012 IEEE International Conference on Power and Energy, PECon 2012 - Kota Kinabalu, Malaysia
Duration: 02 Dec 201205 Dec 2012

Other

Other2012 IEEE International Conference on Power and Energy, PECon 2012
CountryMalaysia
CityKota Kinabalu
Period02/12/1205/12/12

Fingerprint

DC-DC converters
Charging (batteries)
Optimal design

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Fuel Technology

Cite this

Tan, N. M. L., Abe, T., & Akagi, H. (2012). Optimal design of a high-efficiency bidirectional isolated DC-DC converter across a wide range of power transfer. In PECon 2012 - 2012 IEEE International Conference on Power and Energy (pp. 22-27). [6450213] https://doi.org/10.1109/PECon.2012.6450213
Tan, Nadia Mei Lin ; Abe, Takahiro ; Akagi, Hirofumi. / Optimal design of a high-efficiency bidirectional isolated DC-DC converter across a wide range of power transfer. PECon 2012 - 2012 IEEE International Conference on Power and Energy. 2012. pp. 22-27
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Tan, NML, Abe, T & Akagi, H 2012, Optimal design of a high-efficiency bidirectional isolated DC-DC converter across a wide range of power transfer. in PECon 2012 - 2012 IEEE International Conference on Power and Energy., 6450213, pp. 22-27, 2012 IEEE International Conference on Power and Energy, PECon 2012, Kota Kinabalu, Malaysia, 02/12/12. https://doi.org/10.1109/PECon.2012.6450213

Optimal design of a high-efficiency bidirectional isolated DC-DC converter across a wide range of power transfer. / Tan, Nadia Mei Lin; Abe, Takahiro; Akagi, Hirofumi.

PECon 2012 - 2012 IEEE International Conference on Power and Energy. 2012. p. 22-27 6450213.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - This paper discusses an optimal operating frequency range and optimal switching dead times for a 6-kW, full-bridge, bidirectional isolated dc-dc converter with focus on improving converter efficiency. The optimal frequency of the dc-dc converter is defined by making its frequency-dependent loss equal to its frequency-independent loss. The maximum efficiency of the dc-dc converter operating at 4 kHz is measured at 98.1% during battery charging and at 98.2% during battery discharging. The converter maintains a high efficiency of more than 97% in a wide range of power transfer.

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Tan NML, Abe T, Akagi H. Optimal design of a high-efficiency bidirectional isolated DC-DC converter across a wide range of power transfer. In PECon 2012 - 2012 IEEE International Conference on Power and Energy. 2012. p. 22-27. 6450213 https://doi.org/10.1109/PECon.2012.6450213