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High-efficiency, high step-up DC-DC converters
Abstract
Many applications call for high step-up DC-DC converters that do not require isolation. Some DC-DC converters can provide high step-up voltage gain, but with the penalty of either an extreme duty ratio or a large amount of circulating energy. DC-DC converters with coupled inductors can provide high voltage gain, but their efficiency is degraded by the losses associated with leakage inductors. Converters with active clamps recycle the leakage energy at the price of increasing topology complexity. A family of high-efficiency, high step-up DC-DC converters with simple topologies is proposed in this paper. The proposed converters, which use diodes and coupled windings instead of active switches to realize functions similar to those of active clamps, perform better than their active-clamp counterparts. High efficiency is achieved because the leakage energy is recycled and the output rectifier reverse-recovery problem is alleviated.
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Cited by
Forouzesh, M., Siwakoti, Y. P., Gorji, S. A., Blaabjerg, F., & Lehman, B. (2017) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2017.2652318 · Cited by 2,123
Review of Nonisolated High-Step-Up DC/DC Converters in Photovoltaic Grid-Connected Applications
Li, W., & He, X. (2011) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2010.2049715 · Cited by 1,423
Overview of High-Step-Up Coupled-Inductor Boost Converters
Liu, H., Hu, H., Wu, H., Xing, Y., & Batarseh, I. (2016) · IEEE Journal of Emerging and Selected Topics in Power Electronics · doi:10.1109/jestpe.2016.2532930 · Cited by 432
Fardahar, S. M., & Sabahi, M. (2020) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2019.2932325 · Cited by 102
A novel non-isolated bidirectional DC-DC converter for high voltage gain applications
Reddy, S. R. P., Naik, B. S., & Umanand, L. (2017) · 2017 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) · doi:10.1109/appeec.2017.8308944 · Cited by 8
Metadata
- Authors
- Zhao, Q., & Lee, F. C.
- Venue
- IEEE Transactions on Power Electronics
- Published
- 2003-01
- Volume
- 18
- Issue
- 1
- Pages
- 65-73
- ISSN
- 0885-8993 (ISSN-L)
- 1941-0107
- OpenAlex
- W2099506463
- Cited by
- 1,015
- References
- 0
- FWCI
- 9.72
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhao, Q., & Lee, F. C. (2003). High-efficiency, high step-up DC-DC converters. IEEE Transactions on Power Electronics. https://doi.org/10.1109/tpel.2002.807188
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