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Split-Capacitor Dual-Active-Bridge Converter
IEEE Transactions on Industrial Electronics, 2021In this article, a split-capacitor (SC) dual-active-bridge (DAB) converter is proposed. In the proposed converter, dc-link capacitors in both the input and output are split, and primary and secondary windings of the transformer are connected to midpoints of the input and output dc links, respectively.
Kisu Kim, Honnyong Cha
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Complete ZVS Analysis in Dual Active Bridge
IEEE Transactions on Power Electronics, 2021Zero-voltage-switching (ZVS) has been widely applied in widebandgap devices based on high-switching-frequency converters, for instance, dual-active-bridge isolated dc–dc converter, which consists of two H-bridges. To secure ZVS for all eight switches, previous literature mostly focuses on half-bridge to analyze switching transitions, which, however, is
Yu Yan, Handong Gui, Hua Bai
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Dual active bridge buck-boost converter
2009 IEEE Energy Conversion Congress and Exposition, 2009A novel isolated bidirectional dc/dc converter suitable for high power applications is proposed. The proposed converter has bidirectional power flow capability with low device ratings for a wide source voltage range. The converter is controlled by varying the duty cycle and phase of the firing pulses, to achieve power flows in both directions and ...
null Sangtaek Han, D. Divan
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Dual Switching Frequency Operation of Dual Active Bridge Converter
2019 IEEE Energy Conversion Congress and Exposition (ECCE), 2019This paper presents a dual switching frequency (DSF) control method for the dual active bridge (DAB) converter to operate the primary-side and secondary-side full bridges with two different switching frequencies. In the DSF control, the switching frequency of active switches at the secondary side is halved via alternately retaining and skipping the ...
Changjiang Sun, Xin Zhang, Xu Cai
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Fault analysis of dual active bridge converters
IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society, 2012The reliability of bidirectional dc-dc converters is a critical issue in many applications where the power flows from or to energy storage systems regularly, such as automotive applications and standalone power systems. This paper addresses dual active bridge converters faulty operation and proposes a fault detection method.
E. Ribeiro +2 more
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Battery Emulation Using Dual-Active Bridge Converter
2019 National Power Electronics Conference (NPEC), 2019A Battery Emulator(BE) is a platform that can mimic the behavior of an actual battery in real-time. In a typical BE system, a discretized battery model running on a digital platform controls a power interface hardware capable of transferring power to a device connected to it.
Suraj Dash, Mukul Chandorkar
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IEEE Transactions on Circuits and Systems I: Regular Papers
Hybrid-bridge based dual-active-bridge (DAB) converter comprised of three-level (3L) and two-level (2L) full-bridge (FB) is promising to be a good candidate for medium voltage DC (MVDC) grids. By applying a corresponding modulation strategy proposed in this paper with multiple working patterns, a wide voltage conversion gain can be obtained.
Jiahui Wu +5 more
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Hybrid-bridge based dual-active-bridge (DAB) converter comprised of three-level (3L) and two-level (2L) full-bridge (FB) is promising to be a good candidate for medium voltage DC (MVDC) grids. By applying a corresponding modulation strategy proposed in this paper with multiple working patterns, a wide voltage conversion gain can be obtained.
Jiahui Wu +5 more
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A Novel Dual Phase Shift Modulation for Dual-Active- Bridge Converter
2019 IEEE Energy Conversion Congress and Exposition (ECCE), 2019The isolated dual active bridge (DAB) dc-dc converter with conventional dual-phase-shift (DPS) modulation exhibits large variations of currents under a small change of phase shift ratio at light load and larger peak current and reactive power at non-heavy load. To solve this problem, this paper proposes a novel dual phase shift (NDPS) modulation method
Song Chi +4 more
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