Flatness of the Three-Phase Grid Connected DC-AC Inverter with LCL Filter
Résumé
The three-phase inverter, connected to the grid by an LCL
filter, is vulnerable to multiple faults, therefore an active fault-tolerant
control is required to preserve the electrical power conversion between
renewable resources and the grid. In this work, we provide a flatness
analysis of the inverter and its LCL filter, the goal being to determine
whether the flatness-based control structure stays accurate under both
healthy and faulty circumstances.
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