Analysis of Single-Stage 9 level Multilevel Current-Source Inverter for Fuel Cell applications to Grid
Abstract
Renewable energy sources can be used for electric power generation to supply specific devices in distributed systems such as smart grids. Hydrogen fuel cells have proven to be an effective solution to produce electrical energy with fairly good efficiency and minimum environmental pollution. A single-stage solution to interconnect a fuel cell with a low-voltage distribution system is proposed in this concept. The traditional boost dc/dc converter plus voltage source inverter is replaced by a single-stage multilevel current-source inverter (MCSI). The MCSI can both interconnect to the grid and perform the maximum power point tracking algorithm. This novel single-stage converter approach provides active power to the grid, power factor compensation, and reduction of the line current harmonic content. The synchronization, modulation, and control scheme are implemented on a field-programmable gate array board using a fast-simulationis high-level synthesis tool to reduce design time. The proposed concept can be implemented to 9 level multi current source inverter for fuel cell the simulation results are presented by using Matlab/Simulink software
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