Authors: Dr. Priyanka R. Menon, Mr. Ankit Das
Abstract: Bidirectional DC-DC converters are pivotal in modern energy systems, enabling energy flow in both directions between a DC source and load or storage device. They are extensively used in battery energy storage systems, electric vehicles, and renewable energy integration. This paper presents a comprehensive study of bidirectional converter topologies, control strategies,
design methodologies, and performance evaluation. Special attention is given to efficiency optimization, voltage and current stress reduction, and transient response improvement. Tables compare popular topologies, switching
strategies, and efficiency metrics, while figures illustrate typical circuit diagrams. Finally, challenges and future research directions, including wide-bandgap devices and advanced digital control, are discussed.
Keywords: Bidirectional DC-DC converter, energy storage, electric vehicle, pulse-width modulation, voltage-mode control, efficiency optimization
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