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Full-Text Articles in Engineering
A Bidirectional Soft-Switched Dab-Based Single-Stage Three-Phase Ac–Dc Converter For V2g Application, Dibaker Das, Nathan Weise, Kaushik Basu, Rohit Baranwal, Ned Mohan
A Bidirectional Soft-Switched Dab-Based Single-Stage Three-Phase Ac–Dc Converter For V2g Application, Dibaker Das, Nathan Weise, Kaushik Basu, Rohit Baranwal, Ned Mohan
Electrical and Computer Engineering Faculty Research and Publications
In vehicle-to-grid applications, the battery charger of the electric vehicle (EV) needs to have a bidirectional power flow capability. Galvanic isolation is necessary for safety. An ac-dc bidirectional power converter with high-frequency isolation results in high power density, a key requirement for an on-board charger of an EV. Dual-active-bridge (DAB) converters are preferred in medium power and high voltage isolated dc-dc converters due to high power density and better efficiency. This paper presents a DAB-based three-phase ac-dc isolated converter with a novel modulation strategy that results in: 1) single-stage power conversion with no electrolytic capacitor, improving the reliability and power …