Model predictive control for Active-Bridge-Active-Clamp (ABAC) converter

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Chen, Ling, Tarisciotti, Luca, Costabeber, Alessando, Gottardo, Davide, Zanchetta, Pericle and Wheeler, Patrick (2018) Model predictive control for Active-Bridge-Active-Clamp (ABAC) converter. In: 9th International Conference on Power Electronics, Machines and Drives (PEMD 2018), 17-19 April 2018, Liverpool, UK.

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Abstract

The Dual-Active-Bridge is a well-established isolated, bidirectional DC/DC topology suitable for applications where high efficiency, galvanic isolation and large voltage conversion ratios are required. However, in low voltage high power cases, the output current ripple is significant and large filtering capacitance is needed. As an alternative to the standard Dual-Active-Bridge, the Active-Bridge-Active- Clamp (ABAC) converter is presented in this paper. The ABAC converter overcomes the current ripple limitation of Dual Active Bridge by presenting a current interleaved structure. An average switching model is developed for the ABAC converter by neglecting the dynamic on the high frequency link, and a Model Predictive Control (MPC) is proposed. The control features a reduced prediction horizon and a fixed switching frequency. Finally, simulation results for a 10kW ABAC converter are provided to validate the theoretical claims.

Item Type:

Conference or Workshop Item (Paper)

RIS ID:

https://nottingham-repository.worktribe.com/output/911421

Keywords:

DC/DC converter, Active-Bridge-Active-Clamp (ABAC), Model Predictive Control (MPC)

Schools/Departments:

University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering

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