Jiewen Li

Title: Jiewen Li: Innovator in DC Converter Technology

Introduction

Jiewen Li is a prominent inventor based in Guangzhou, China. He has made significant contributions to the field of electrical engineering, particularly in the area of DC converter technology. With a total of 2 patents, his work focuses on improving the efficiency and reliability of DC transmission systems.

Latest Patents

Jiewen Li's latest patents include a method for solving for converter valve states and valve currents based on valve-side current timing characteristics. This invention discloses a calculation method for a converter valve state and a valve current based on temporal features of a valve side current. The process involves collecting three-phase AC currents, DC currents on a valve side of a converter, and trigger pulses of converter valves. It establishes a node current equation and judges the conducting and blocking states of valve states, ultimately calculating the converter valve currents.

Another notable patent is the DC converter valve state detection method based on temporal features of converter terminal currents. This method includes steps for collecting three-phase AC currents and defining a base value for valve conducting and blocking currents. It constructs a valve conducting state and compares time intervals of valve conducting states to determine normal operation, providing reliable detection of valve states and locating abnormal valves.

Career Highlights

Jiewen Li is affiliated with the South China University of Technology, where he continues to advance research in electrical engineering. His innovative approaches have garnered attention in the academic and industrial sectors, contributing to the development of more efficient DC transmission systems.

Collaborations

Jiewen Li has collaborated with notable colleagues, including Xiaohua Li and Shanshan Yin. Their combined expertise enhances the research and development efforts in their field.

Conclusion

Jiewen Li's contributions to DC converter technology through his patents and research at the South China University of Technology highlight his role as an influential inventor. His work not only advances the field but also provides practical solutions for modern electrical engineering challenges.