Location History:
- Zhejiang, CN (2020)
- Jiangsu, CN (2023)
Company Filing History:
2 out of 2 
2 out of 194 Years Active: 2020-2023
Title: Qingchun Zhao: Innovator in Differential Protection Methods
Introduction
Qingchun Zhao is a notable inventor based in Zhejiang, China. He has made significant contributions to the field of electrical engineering, particularly in the area of differential protection methods for electricity transmission lines. With a total of two patents to his name, Zhao's work is instrumental in enhancing the safety and efficiency of power transmission systems.
Latest Patents
Zhao's latest patents include a "Differential Protection Determination Method" and a "Differential Protection Method and System." The determination method is designed for electricity transmission lines with multi-terminal T-connections. It involves sampling and calculating all phase currents, determining maximum fault component currents, and performing differential determination to identify faults in the target phase. The second patent outlines a method and system for differential protection, which includes selecting slave groups and establishing communication paths to transmit messages and acquire delay differences. These innovations are crucial for improving the reliability of power transmission networks.
Career Highlights
Throughout his career, Qingchun Zhao has worked with prominent organizations such as the Taizhou Power Supply Company of State Grid Zhejiang Electric Power and the State Grid Corporation of China. His experience in these companies has allowed him to apply his innovative ideas in real-world applications, contributing to advancements in electrical safety and efficiency.
Collaborations
Zhao has collaborated with notable colleagues, including Ping Zhao and Yiping Shen. Their teamwork has fostered an environment of innovation and has led to the development of effective solutions in the field of electrical engineering.
Conclusion
Qingchun Zhao's contributions to differential protection methods highlight his expertise and commitment to improving electrical transmission systems. His patents reflect a deep understanding of the complexities involved in power transmission, making him a valuable figure in the industry.