Model Predictive Control Based Reactive Power Compensation for Integration of Packed U Cell Inverter with Grid

Rapid exploration in the Renewable Energy Systems (RES) has augmented the way in which many Distributed Generation (DG) plants can be unified with the conventional plants. Voltage Source Inverters are used for integrating these DGs and pose several challenges related to power quality, exchange of active and reactive power, power factor, reactive power compensation and many more which needs to be addressed. This paper presents the design and analysis of Model Predictive Control (MPC) applied to the grid tied seven level Packed U Cell (PUC) inverter regulating the exchange of active and reactive power on the grid side. Reference current is generated using the d-q transformation for the decoupled control of active and reactive power. MPC appears to be a very promising control scheme for grid-connected inverters. Simulations are performed in the MATLAB®/Simulink environment and the results are validated on the experimental setup using TI 28335 DSP Board.

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