MATLAB Implementation of Single Stage Three Phase Grid-connected PV Systems

MATLAB Implementation of Single Stage Three Phase Grid-connected PV Systems

Step-by-step implementation of a state-of-the-art grid-connected photovoltaic (PV) system. We will design a 100 kilowatt (kW) grid-connected PV system, detailing the entire process from setting up the PV array to connecting the inverter.

MATLAB Implementation of Single stage three Phase Grid connected PV systems

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Simulation and Tuning

Simulation Setup:

Implement the PV array, MPPT algorithm, and inverter control in a simulation tool.

Set sample time and solver configuration.

Tuning the PID Controller:

Use a PID tuner to identify the plant and tune the PID controller parameters.

Simulate the model and adjust parameters to minimize oscillations and harmonics.

Results and Analysis

Power Output:

Verify that the system generates close to 100 kW under standard test conditions (STC).

Current and Voltage Quality:

Ensure that the output current and voltage are within acceptable harmonic distortion levels.

Measure the total harmonic distortion (THD) to ensure it is below 5%.

Dynamic Response:

Test the system's response to changes in irradiation levels to ensure stability and reliability.

Conclusion

This step-by-step implementation guide provides a comprehensive approach to designing and simulating a 100 kW grid-connected PV system. By following these steps, you can ensure efficient power generation and high-quality output suitable for grid integration.