Muhammed Yibre Worku is a notable inventor based in Dhahran, Saudi Arabia. He has made significant contributions to the field of autonomous microgrids, holding a total of four patents. His work focuses on improving the efficiency and stability of microgrid systems, which are essential for modern energy management.

Latest Patents

One of his latest patents is a method for stabilizing an autonomous microgrid that includes an active load. This innovative method enhances the performance of an autonomous microgrid by integrating a plurality of inverter-based distributed generations. Each of these generations is equipped with a power droop controller, a voltage controller, and a current controller. Additionally, the system features a constant power load (CPL) that is connected to one of the inverter-based distributed generations. The CPL is designed with a phase locked loop (PLL), a DC voltage controller, and an AC current controller. The optimization of power-sharing coefficients and controller parameters is achieved through a particle swarm optimization technique.

Another significant patent addresses voltage control and grid synchronization of microgrids in real time. This system and method facilitate the synchronization of a utility grid with a microgrid that includes a diesel generator, a photovoltaic array, and a wind turbine. In grid-connected mode, the microgrid's voltage, frequency, and phase angle are managed by a grid side converter. This converter generates a preset reference power at the utility grid frequency and supplies real and reactive power to various loads. In island mode, the diesel generator maintains a constant speed to produce power at the reference frequency, which is communicated to the wind turbine. The microgrid then provides the necessary power to the loads. During resynchronization, a switched capacitor bank is charged to ensure the voltage required for reconnecting the microgrid to the utility grid.

Career Highlights

Muhammed Yibre Worku is affiliated with King Fahd University of Petroleum and Minerals, where he continues to advance his research in energy systems. His work has garnered attention for its practical applications in enhancing energy efficiency and reliability.

Collaborations

He collaborates with esteemed colleagues, including Mohammad Ali Abido and Mohamed A Hassan, who contribute to his research endeavors.

Conclusion

Muhammed Yibre Worku's innovative patents and research in autonomous microgrids position him as a key figure in the field of energy management. His

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