Yufeng Zhao

Title: Yufeng Zhao: Innovator in HVDC Transmission Technology

Introduction

Yufeng Zhao is a prominent inventor based in Beijing, China. He has made significant contributions to the field of high voltage direct current (HVDC) transmission technology. With a total of three patents to his name, Zhao's work focuses on optimizing fault transient features and predicting commutation failures in AC/DC systems.

Latest Patents

Zhao's latest patents include a "Fault transient features optimization method and system of AC/DC system based on dissipated energy." This invention addresses the challenges faced during the restart of HVDC transmission systems after faults. It involves obtaining the output current and outlet bus voltage of the generator, calculating the cumulative value of dynamic dissipated energy, and selecting optimal control parameters to minimize energy loss.

Another notable patent is the "Commutation failure prediction method, device and storage medium based on energy accumulation features of inverter." This method predicts potential commutation failures by analyzing the instantaneous values of three-phase valve side current and calculating their derivatives. By determining the energy accumulation features of the inverter, Zhao's invention enhances the reliability of HVDC systems.

Career Highlights

Zhao has worked at North China Electric Power University, where he has contributed to research and development in electrical engineering. His expertise in HVDC technology has positioned him as a key figure in advancing the field.

Collaborations

Zhao has collaborated with notable colleagues, including Jing Yan Ma and Xiaogang Wang, who have contributed to his research endeavors.

Conclusion

Yufeng Zhao's innovative work in HVDC transmission technology showcases his commitment to enhancing the efficiency and reliability of electrical systems. His patents reflect a deep understanding of complex electrical phenomena and contribute significantly to the advancement of the field.