Journal
2018 IEEE GREEN TECHNOLOGIES CONFERENCE (GREENTECH)
Volume -, Issue -, Pages 89-94Publisher
IEEE
DOI: 10.1109/GreenTech.2018.00025
Keywords
Battery energy storage system (BESS); bidirectional buck-boost DC-DC converter; charge/discharge battery operating modes; current control mode; Lyapunov stability; passivity-based control (PBC)
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Funding
- National Scholarship Program Doctorates of the Administrative Department of Science, Technology and Innovation of Colombia (COLCIENCIAS)
- PhD program in Engineering of the Universidad Tecnolgica de Pereira
- [727-2015]
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In this paper, a passivity-based control (PBC) theory is applied to control a battery energy storage system (BESS) under current control mode by employing a bidirectional buck-boost DC-DC converter. The proposed controller guarantees globally exponentially stability for the system under closed-loop conditions via proportional control design. An averaging model of the buck-boost DC-DC converter is employed to represent the dynamics of the system via port-Hamiltonian (pH) structure. Simulation results show that a unique control law can be used to the charging or discharging battery process. MATLAB/SIMULINK software is employed to validate the proposed control methodology.
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