PhD Reasearch Projects

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Advanced control methods on three-phase inverters in distributed energy resources

This research is an endeavor to apply new and well-established control methodologies to improve transient response, stability and reliability of three-phase inverters in grid-connected and isolated mode of operation as Grid-Forming Inverters. In the course of studying the effect of these methodologies, model-based control is introduced and is extensively applied which is relatively a new approach. Further experiments on Software-in-the-Loop (SIL), Processor-in-the-Loop (PIL) have been applied to verify the operation of the control structure. In addition, the application of this concept has been studied on developing “Grid-Forming” controls to allow wind and solar inverters to support voltage and frequency levels like traditional synchronous generators.