Xianchao Guo

Title: Innovations by Xianchao Guo in VSC-HVDC Systems

Introduction

Xianchao Guo is a notable inventor based in Beijing, China. He has made significant contributions to the field of electrical engineering, particularly in the area of Voltage Source Converter-High Voltage Direct Current (VSC-HVDC) systems. His innovative approach to suppressing high-frequency resonance has garnered attention in the industry.

Latest Patents

Xianchao Guo holds a patent for a "Suppression method of high-frequency resonance for VSC-HVDC system based on nonlinear filter in voltage feed-forward control." This invention utilizes a nonlinear filter for the voltage feed-forward link in the current inner loop control. The method involves extracting each sequence component of the AC voltage, calculating the average value at N sample points, and comparing it with the previous output of the nonlinear filter. This process results in a fixed value that varies according to gradient, effectively suppressing high-frequency resonance without compromising the system's rapidity. The invention is particularly advantageous as it can be implemented in existing secondary control software without the need for additional equipment, making it a cost-effective solution.

Career Highlights

Throughout his career, Xianchao Guo has worked with various companies, including Berry Genomics Co., Ltd. His expertise in VSC-HVDC systems has positioned him as a valuable asset in the field of electrical engineering.

Collaborations

Xianchao Guo has collaborated with notable colleagues such as Yu Wang and Fengmei Cao. Their combined efforts have contributed to advancements in the technology surrounding VSC-HVDC systems.

Conclusion

Xianchao Guo's innovative patent and contributions to the field of VSC-HVDC systems highlight his role as a leading inventor in electrical engineering. His work not only addresses critical challenges in the industry but also paves the way for future advancements.