Indian Journal of Science and Technology

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The aim of this paper is to present the design and analysis of a three level neutral point clamped grid connected inverter using fuel cell as a green energy source. Three different controllers that is a boost dc to dc converter, a power controller and a current controller were being modeled and simulated on matlab. The system was being investigated using a PI controller and a sliding mode controller. Simulation results show that the sliding mode controller shows a superior performance of the active power control and the voltage regulation capability as compared to a simple PI controller under voltage sag conditions.

Keywords

Distributed Power Generation, Fuel cells, Pulse Width Modulated Inverters, Power Control, Power Demand.
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