Weiqiang Chen

Title: Weiqiang Chen: Innovator in Zero-Voltage Detection Technology

Introduction

Weiqiang Chen is a notable inventor based in Richmond, VA (US). He has made significant contributions to the field of electrical engineering, particularly in the development of innovative technologies for power management systems. His work focuses on enhancing the efficiency and reliability of inverters, which are crucial components in various electronic applications.

Latest Patents

Weiqiang Chen holds a patent for a "System and method for zero-voltage detection in resonant pole inverters." This invention includes a zero voltage detection device that features a voltage divider to scale down a first voltage to a second voltage. It utilizes a comparator to compare the second voltage to one or more voltage thresholds, outputting a first set of signals indicative of the first voltage approaching a zero-voltage instant. The design compensates for time delays from the voltage divider and incorporates a flip flop to control the switching operation of a switching device. Additionally, a control system is integrated to manage the switching device's operation, thereby limiting turn-on losses.

Career Highlights

Weiqiang Chen is currently associated with Abb Schweiz AG, where he continues to apply his expertise in electrical engineering. His role involves working on advanced technologies that improve energy efficiency and system performance in various applications.

Conclusion

Weiqiang Chen's innovative contributions to zero-voltage detection technology exemplify his commitment to advancing electrical engineering. His patent reflects a significant step forward in enhancing the efficiency of power management systems.