Characterization of ZVS Behavior and Optimal Operating Point for Three-Port Current Fed Dual Active Bridge Interlinking Converter

Kurm, Shashank ; Agarwal, Vivek (2021) Characterization of ZVS Behavior and Optimal Operating Point for Three-Port Current Fed Dual Active Bridge Interlinking Converter In: 2021 1st International Conference on Power Electronics and Energy (ICPEE), 2-3 Jan. 2021, Bhubaneswar, India.

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Official URL: http://doi.org/10.1109/ICPEE50452.2021.9358636

Related URL: http://dx.doi.org/10.1109/ICPEE50452.2021.9358636

Abstract

Current Fed Dual Active Bridge converter offers a multi port structure and can be used as an interlinking converter for connecting an LVDC microgrid with AC grid, along with the Energy storage system. Operation at the optimum point (d1, d2δ) can allow achieving multiple objectives like operation under Zero Voltage Switching (ZVS) and minimizing current stress along with controlling the power flow. While operating as a multi port converter, the electrical quantities are the voltages and currents at various ports, all of which determine occurance of ZVS and the resulting current stress. The optimal control value set (d1, d2, δ) depends on all these quantities, and determining it is a challange. In this paper ZVS behavior and current stress of CF-DAB converter are analyzed under various operating conditions pertaining to different source currents and load power. Based on the analysis, an algorithm has been proposed for determining the optimum (d1, d2δ) for the required power transfer and voltage gain. Simulation results performed on PLECS have been presented, which validates analysis and the proposed algorithm.

Item Type:Conference or Workshop Item (Paper)
Source:Copyright of this article belongs to Institute of Electrical and Electronics Engineers.
Keywords:Dual Active Bridge; CF-DAB; Zero Voltage Switching; Triple Phase Shift Control; PWM Plus Phase Shift.
ID Code:115636
Deposited On:22 Mar 2021 11:54
Last Modified:04 Nov 2022 09:28

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