Lili Zhang

Title: The Innovative Contributions of Lili Zhang

Introduction

Lili Zhang is a prominent inventor based in Niskayuna, NY (US), known for his significant contributions to electrical engineering. With a total of 13 patents to his name, Zhang has made remarkable advancements in the field of partial discharge detection techniques.

Latest Patents

Zhang's latest patents include innovative methods for noise-tolerant electrical discharge detection. One of his notable inventions involves a method of detecting partial discharge in electrical power systems that utilize power electronics converters. This method captures a first current signal in response to a first applied voltage and a second current signal in response to a different applied voltage. By setting the first current signal as a reference, Zhang's technique determines a difference signal to ascertain the presence of partial discharge. The method is designed to iterate, refreshing the reference signal on a rolling basis with previously captured current signals.

Another significant patent focuses on online and offline partial discharge detection for electrical drive systems. This invention employs real-time spectrum analysis to detect partial discharge signals amidst noise from drive switching and other background disturbances. The spectrum analyzer transforms the signals into the frequency domain, allowing for effective signal discrimination based on frequency profiles. This innovative approach enhances the reliability of detecting partial discharge signals in wide bandgap semiconductor-based systems.

Career Highlights

Throughout his career, Lili Zhang has worked with esteemed companies such as General Electric Company and United Technologies Corporation. His experience in these organizations has contributed to his expertise in electrical engineering and innovation.

Collaborations

Zhang has collaborated with notable colleagues, including Weijun Yin and Qin Chen, further enriching his work and contributions to the field.

Conclusion

Lili Zhang's innovative patents and career achievements highlight his significant role in advancing electrical engineering, particularly in the area of partial discharge detection. His work continues to influence the industry and pave the way for future innovations.