Yingyun Sun

Title: Yingyun Sun: Innovator in Power System Analysis

Introduction

Yingyun Sun is a prominent inventor based in Beijing, China. He has made significant contributions to the field of power system analysis, particularly through his innovative methods for state estimation in electric power systems. His work is characterized by a robust approach that enhances the accuracy of estimations in power systems.

Latest Patents

Yingyun Sun holds a patent titled "Method for state estimation based on the measured data of the data-acquisition system in power system." This patent relates to the field of power system analysis techniques. The method involves distributing measured data into an operating power system to form a calculation model. It defines the injection power of link nodes as zero and takes the maximum active and reactive power outputs of the generator as constraints. The mathematical model constructed for estimation resolves the optimum solution of voltage amplitude and phase angle for each node. The estimated values of voltage, active power, and reactive power are calculated using the optimum solution of state variables. The estimation criterion provided by this invention is robust against bad data, significantly improving the correctness of the estimation.

Career Highlights

Yingyun Sun has worked with notable organizations, including Tsinghua University and Shanghai Municipal Electric Power Company. His experience in these institutions has allowed him to develop and refine his innovative methods in power system analysis.

Collaborations

Yingyun Sun has collaborated with esteemed colleagues such as Guangyu He and Shufeng Dong. Their joint efforts have contributed to advancements in the field of power systems.

Conclusion

Yingyun Sun's innovative contributions to power system analysis through his patented methods demonstrate his expertise and commitment to improving the accuracy of state estimations in electric power systems. His work continues to influence the field positively.