Qi Guo

Title: Innovations and Contributions of Inventor Qi Guo

Introduction

Qi Guo is a prominent inventor based in Changsha, China. He has made significant contributions to the field of power supply systems, particularly focusing on medium-voltage grid-connected devices. With a total of 2 patents, his work showcases innovative approaches to improving power supply quality and fault control.

Latest Patents

Qi Guo's latest patents include a "Power supply quality improvement-oriented and fault control-oriented economically-integrated medium-voltage grid-connected device with SiC module and adaptive control method therefor." This patent describes an adaptive control method for a fault control-oriented device that utilizes a silicon carbide (SiC) module. The method involves calculating modulation waves, obtaining circuit switching signals, and performing adaptive control based on the calculated data.

Another notable patent is the "Open-circuit fault diagnosis method for Si/SiC hybrid H-bridge inverter power device applicable to grid-source-storage-vehicle energy management system." This method outlines a systematic approach to diagnosing open-circuit faults in power devices. It includes steps for injecting switching sequences, collecting inverter data, and determining fault flags based on voltage residuals and current pulsation values.

Career Highlights

Qi Guo is affiliated with Hunan University, where he continues to advance research in power electronics and energy management systems. His work is characterized by a strong emphasis on practical applications and innovative solutions to complex engineering challenges.

Collaborations

Throughout his career, Qi Guo has collaborated with notable colleagues, including Fan Xiao and Liu Long. These collaborations have contributed to the development of cutting-edge technologies in the field of power systems.

Conclusion

In summary, Qi Guo is a distinguished inventor whose work in power supply systems has led to significant advancements in technology. His innovative patents and contributions to Hunan University highlight his commitment to improving energy management and fault diagnosis methods.