Qun Li is a notable inventor based in Jiangsu, China, recognized for his contributions to power distribution technology. With a total of three patents to his name, he has made significant advancements in the field of low-voltage direct current (DC) power systems. His work focuses on enhancing the efficiency and reliability of power distribution networks.

Latest Patents

One of Qun Li's latest patents is a "Low-voltage DC power distribution fast switching device." This device features a positive output terminal connected to a load's positive pole and includes multiple switching circuits arranged in parallel. The design incorporates a supplementary diode cluster and a thyristor, which work together to improve the switching efficiency of the power distribution system.

Another significant patent is the "Fault current controller for a direct current power grid." This invention consists of a primary circuit that includes an inductor, filter capacitor, resistor, IGBT switch, diode, contactor, and Hall current sensor. The controller manages the IGBT switch and contactors to create various on-off combinations, enhancing the control of fault currents in DC power grids.

Career Highlights

Qun Li has worked with prominent organizations such as the State Grid Corporation of China and the State Grid Jiangsu Electric Power Company. His experience in these companies has allowed him to apply his innovative ideas in real-world applications, contributing to the advancement of power distribution technologies.

Collaborations

Qun Li has collaborated with several professionals in his field, including Yubo Yuan and Jinggang Yang. These collaborations have fostered a creative environment that encourages the development of new technologies and solutions in power distribution.

Conclusion

Qun Li's innovative patents and career achievements highlight his significant role in advancing power distribution technology. His work continues to influence the industry, paving the way for more efficient and reliable power systems.

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