Solid-State Transformer Architecture Using AC–AC Dual-Active-Bridge Converter
Abstract
Modern development of semiconductor power-switching devices has promoted the use of power electronic converters as power transformers at the distribution level. This paper presents an ac-ac dual-active-bridge (DAB) converter for a solid-state transformer. The proposed converter topology consists of two active H-bridges and one high-frequency transformer. Four-quadrant switch cells are used to allow bidirectional power flow. Because power is controlled by the phase shift between two bridges, output voltage can be regulated when input voltage changes. This paper analyzes the steady-state operation and the range of zero-voltage switching. It develops a switch commutation scheme for the ac-ac DAB converters. Experimental results from a scaled-down prototype are provided to verify the theoretical analysis.
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Single-stage SST topology uses the phase shift angle between the secondary and primary bridges to control the direction and magnitude of power transfer.
“Single-stage topology uses the phase shift angle between the secondary and the primary bridges to control the direction and magnitude of power transfer.”
From State of the Art of Solid-State Transformers: Advanced Topologies, Implementation Issues, Recent Progress and Improvements (2020) · cites this paper as [27]
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References 45 · Cited by 310
- Authors
- Qin, H., & Kimball, J. W.
- Affiliations
- Missouri University of Science and Technology (US)
- ORCID
- Kimball, Jonathan W.
- Venue
- IEEE Transactions on Industrial Electronics
- Published
- 2013-09
- Volume
- 60
- Issue
- 9
- Pages
- 3720-3730
- ISSN
- 0278-0046 (ISSN-L)
- 1557-9948
- OpenAlex
- W2086262575
- Cited by
- 310
- References
- 45
- Citations by year
- 2026: 12 · 2025: 20 · 2024: 19 · 2023: 19 · 2022: 42 · 2021: 31 · 2020: 32 · 2019: 26 · 2018: 24 · 2017: 18 · 2016: 17 · 2015: 27 · 2014: 20 · 2013: 3
- FWCI
- 10.22
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Transactions on Industrial Electronics (publishedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced DC-DC Converters
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Wireless Power Transfer Systems
- Keywords
- solid-state transformer, dual active bridge converter, AC-AC converter, bidirectional power flow, four-quadrant operation, zero-voltage switching, high-frequency transformer, phase shift control
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