Passivity-Based Control of Dual Active Bridge Converter in Constant Power Load Condition

Jianguo Li (), Yuming Zhao, Xuezhi Wu, Yajing Zhang and Jiuhe Wang
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Jianguo Li: School of Automation, Beijing Information Science and Technology University, Beijing 100192, China
Yuming Zhao: Shenzhen Power Supply Corporation, Shenzhen 518048, China
Xuezhi Wu: National Active Distribution Network Technology Research Center, Beijing Jiaotong University, Beijing 100044, China
Yajing Zhang: School of Automation, Beijing Information Science and Technology University, Beijing 100192, China
Jiuhe Wang: School of Automation, Beijing Information Science and Technology University, Beijing 100192, China

Energies, 2022, vol. 15, issue 18, 1-13

Abstract: This paper presents a passivity-based control (PBC) based on the Euler–Lagrange (EL) model for dual active bridge (DAB) converters in the constant power load (CPL) condition. The EL model, which is derived from Kirchhoff’s current equations at the input and output nodes, is first presented in the DAB application, and the bidirectional CPL is considered in the theoretical analysis, simulation, and physical verification. The PBC has strong robustness to large-signal disturbance and negative incremental resistance load, and it is suitable for DAB converters in the CPL condition. In this paper, the DAB’s EL model, passivity analysis, stability analysis, and controller design are described in detail. The simulation results based on SIMULINK are also given in this paper. Finally, a DAB converter prototype is built to demonstrate the validity and feasibility of the proposed approach.

Keywords: dual active bridge; passivity-based control; constant power load (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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