Z-Source Inverter based DC-DC converter using SPWM technique for fuel cell application

The renewable energy based power generation like wind energy and solar energy is increasing at alarming rate and has been implemented at mass level worldwide. The DC voltage obtained from any renewable energy source like fuel cell and solar cell having low output voltage can meet the demand of end user loads having high voltage requirement. Due to the new inverter topology incorporated into the system that are up to the notch as compared to traditional inverters. Isolated DC-DC interface is included in the system for safety purpose so that low voltage output renewable energy sources at the input side gets decoupled from the converter side having high voltage output. The Z-Source Inverter is utilized at the input side of the converter as one of the striking feature of the topology used in this paper. The proposed topology is simulated in MATLAB Simulink and the desired results were obtained.

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