Company Filing History:
3 out of 194 
2 out of 2 
1 out of 8 Years Active: 2020-2023
Title: The Innovations of Ping Zhao
Introduction
Ping 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 protection methods for electrical systems. With a total of three patents to his name, Zhao's work focuses on enhancing the safety and efficiency of electricity transmission.
Latest Patents
One of Zhao's latest patents is a differential protection determination method. This method is designed for electricity transmission lines with multi-terminal T-connections. It involves sampling and calculating all phase currents, determining the maximum fault component current in phase current amplitudes, and performing differential determination to identify faults in the target phase.
Another significant patent is a ground fault protection method and apparatus for photovoltaic station output transmission lines. This innovation controls a circuit breaker on the photovoltaic side based on the measured zero sequence impedance. It determines whether the impedance variation is significant enough to warrant isolation of the fault, thereby enhancing the reliability of photovoltaic systems.
Career Highlights
Throughout his career, Ping Zhao has worked with prominent organizations such as the State Grid Corporation of China and the Taizhou Power Supply Company of State Grid Zhejiang Electric Power. His experience in these companies has allowed him to apply his innovative ideas in practical settings, contributing to advancements in electrical safety.
Collaborations
Zhao has collaborated with notable colleagues, including Hua Xu and Yuande Zheng. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and innovations in the field of electrical engineering.
Conclusion
Ping Zhao's contributions to electrical engineering through his patents and career achievements highlight his role as an influential inventor. His work continues to impact the safety and efficiency of electrical systems, making him a significant figure in the industry.