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MATLAB Implementation of 3 MW Grid connected Solar PV System

MATLAB Implementation of 3 MW Grid connected Solar PV System

Introduction to the PV System

By introducing the solar PV system setup, which utilizes a specific PV model with 11 panels connected in series and 1,300 panels in parallel. This configuration allows us to achieve a maximum power output of approximately 3.04 MW, making it a robust solution for grid connectivity.



Designing the Boost Converter

The next step involves the design of a boost converter, which is crucial for stepping up the voltage to match grid requirements. Using an RLC branch configuration, we integrate IGBT switches to facilitate efficient power conversion. To maximize the power extraction from the PV panels, we implement a Maximum Power Point Tracking (MPPT) algorithm. This sophisticated method ensures that the system operates at peak efficiency, regardless of changing environmental conditions.

Inverter Setup and Control Logic

Once the DC-DC conversion is established, we shift our focus to the inverter design. We utilize a universal bridge for the DC to AC conversion process. Here, control logic is critical, as it ensures stable voltage and current outputs. By employing DQ transformation methods, we can accurately manage the power flow and maintain system stability during operation.

Simulation and Performance Measurement

With the model complete, we proceed to simulate its performance. During this phase, we measure essential parameters, including grid voltage, inverter voltage, and overall power outputs. Notably, the system consistently produces power near the targeted 3 MW, showcasing its effectiveness and reliability in a real-world scenario.

Effects of Changing Irradiance Levels

Finally, we examine how fluctuations in solar irradiance impact system performance. By varying the irradiance levels, we can observe changes in power generation and grid contributions. This analysis highlights the importance of adaptive systems in solar energy generation, as they can respond effectively to environmental changes.

Conclusion

Implementing a 3 MW grid-connected solar PV system involves multiple stages, from the initial design to performance monitoring. By following this guide, you can gain a comprehensive understanding of the processes involved and the technologies used to optimize solar energy production.

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