This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignees: Shandong University, Imperial College Innovations Limited, Shandong Beixingquan Energy Co., Ltd.. Active years: 2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
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1 out of 174 
1 out of 1 Years Active: 2025
Title: The Innovations of Kejun Li
Introduction
Kejun Li is a notable inventor based in Jinan, China. He has made significant contributions to the field of photovoltaic technology, holding 2 patents that showcase his innovative approach to enhancing the performance of solar energy systems.
Latest Patents
One of his latest patents is titled "Method and system of self-adaptive setting of closed-loop parameters for suppressing photovoltaic coupling harmonics." This invention provides a method and system for self-adaptive setting of closed-loop parameters aimed at minimizing coupling harmonics in photovoltaic grid-connected inverters. The process involves acquiring node voltages and currents, constructing a harmonic coupling admittance matrix, and optimizing control parameters to suppress harmonics effectively.
Another significant patent is the "Fast-response PV simulator based on improved deadbeat predictive current control." This invention addresses the long response times of current PV simulations, which do not meet the performance testing requirements of high-performance grid-connected inverters. By establishing a deadbeat predictive current control model, the transient response time of the PV simulator can be reduced to 1.1 ms, significantly improving its application in engineering.
Career Highlights
Kejun Li has worked at prestigious institutions such as Shandong University and Shandong Jiaotong University. His work at these universities has allowed him to develop and refine his innovative ideas in photovoltaic technology.
Collaborations
Throughout his career, Kejun Li has collaborated with notable colleagues, including Kaiqi Sun and Yuanyuan Sun. These collaborations have contributed to the advancement of his research and inventions.
Conclusion
Kejun Li's contributions to photovoltaic technology through his patents and career at leading universities highlight his role as an influential inventor in the field. His innovative methods and systems continue to pave the way for advancements in solar energy applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile