This paper presents a non-isolated bidirectional soft-switching dc-dc converter for DC microgrid energy storage synchronization. To assist the soft switching of switches and diodes, the LCL resonant circuit is applied and an input end half-bridge boost converter is enforced. Using the voltage doubler circuit introduced on the output side, a voltage gain of 2X is achieved. Through the non-isolated circuit, the total voltage gain is obtained. The capacitive divider halves the voltage on the greater hand. The circuit performs a high frequency ripple of low output voltage. Diodes guarantee zero voltage Turn ON for switches and zero current turn ON and turn OFF during buck / boost operation Although no internal snubber circuits are available, the circuit ensures low voltage stress across semiconductor systems.
CITATION STYLE
G*, K., G, A., … S, Ravi. (2020). Bidirectional Resonant DC-DC Converter for Microgrid applications. International Journal of Recent Technology and Engineering (IJRTE), 8(5), 5338–5345. https://doi.org/10.35940/ijrte.e6704.018520
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