The modulation strategy, proposed in the technical literature to control the three-switch double-input bidirectional DC-DC converter, forces the converter itself to work in Continuous Conduction Mode at low-load and therefore efficiency drops significantly. In this paper, a novel modulation strategy, exploiting Discontinuous Conduction Mode at low-load, is proposed. Converter efficiency increase is evaluated with simulations in MATLAB/Simulink Plecs environment. Finally, the control is validated with experimental tests.
An improved control strategy for an innovative DC-DC converter for interfacing energy storage systems
Marchesoni M.;Passalacqua M.;Vaccaro L.
2020-01-01
Abstract
The modulation strategy, proposed in the technical literature to control the three-switch double-input bidirectional DC-DC converter, forces the converter itself to work in Continuous Conduction Mode at low-load and therefore efficiency drops significantly. In this paper, a novel modulation strategy, exploiting Discontinuous Conduction Mode at low-load, is proposed. Converter efficiency increase is evaluated with simulations in MATLAB/Simulink Plecs environment. Finally, the control is validated with experimental tests.
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