Company Filing History:
5 out of 194 
2 out of 16 
2 out of 2 Years Active: 2020-2024
Title: Huanzhang Liu: A Pioneer in DC Transmission Protection Systems
Introduction
Huanzhang Liu, an innovative inventor based in Wuhan, China, has made significant contributions to the field of direct-current (DC) transmission line protection. With a total of five patents to his name, Liu's work focuses on enhancing the safety and reliability of DC power transmission systems.
Latest Patents
Among Liu's latest patents are groundbreaking methods designed for the protection of DC transmission lines. One notable patent is the "Direct-current transmission line protection method and system based on pure current characteristics." This method calculates differential current values by collecting line current at specific moments, allowing for the determination of protection enabling criteria to safeguard the M side of the transmission line. Another significant patent is the "Method and device for starting direct-current (DC) transmission line protection, and storage medium." This invention outlines a procedure to initiate protection systems in response to sudden changes in DC line current, ensuring prompt and effective responses to potential issues.
Career Highlights
Huanzhang Liu has held prominent positions at leading companies such as the State Grid Corporation of China and the China Electric Power Research Institute Company Limited. His experience in these organizations has equipped him with extensive knowledge and skills in electrical engineering and power transmission systems, contributing significantly to his innovative work in the field.
Collaborations
Throughout his career, Liu has collaborated with notable coworkers, including Dingxiang Du and Zexin Zhou. These partnerships have allowed him to exchange ideas and advance his research in DC transmission protection, fostering a collaborative environment that drives innovation in the industry.
Conclusion
In summary, Huanzhang Liu stands out as a notable inventor in the realm of DC transmission line protection systems. His patents demonstrate a commitment to enhancing the safety and efficiency of electrical power transmission, making valuable contributions to the field. As he continues to innovate, Liu's work is likely to have a lasting impact on the industry, paving the way for future advancements in electrical engineering.
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