Wenbo Liu

Title: The Innovations of Wenbo Liu

Introduction

Wenbo Liu is a prominent inventor based in Shenzhen, China. He has made significant contributions to the field of power electronics, particularly in the development of advanced modulation methods and controllers for AC-DC converters. With a total of 2 patents, his work is recognized for its innovative approach to improving power factor correction and voltage regulation.

Latest Patents

Wenbo Liu's latest patents include groundbreaking technologies that enhance the efficiency and functionality of AC-DC converters. One of his notable inventions is a variable gain modulation method and controller for AC-DC converters with power factor correction. This controller utilizes control logic to manage a rectifier circuit that converts AC input voltage into DC output voltage. It operates in multiple modes, selecting the appropriate one based on the AC input voltage and the required DC output voltage. This innovation allows for a wide range of DC output voltage while maintaining power factor correction.

Another significant patent involves methods and circuits for sensing isolated power converter output voltage across the isolation barrier. This control circuit features a sensing mechanism that monitors the secondary side output voltage and generates a pulse width modulation (PWM) signal. The PWM signal is then transferred across the isolation barrier to the primary side, where it is used to regulate the secondary side output voltage. This invention is crucial for maintaining stable voltage levels in isolated power converters.

Career Highlights

Wenbo Liu is affiliated with Queen's University at Kingston, where he continues to advance his research in power electronics. His work has garnered attention for its practical applications in various industries, contributing to the development of more efficient power conversion technologies.

Collaborations

Wenbo Liu collaborates with esteemed colleagues, including Yan-Fei Liu and Binghui He. Their combined expertise fosters an environment of innovation and research excellence.

Conclusion

Wenbo Liu's contributions to the field of power electronics through his patents and research at Queen's University at Kingston highlight his role as a leading inventor. His innovative solutions are paving the way for advancements in AC-DC conversion technology.