This inventor holds 4 USPTO granted patents and 4 EPO patents. Top assignees: Nr Electric Co., Ltd, Nr Engineering Co., Ltd, Nr Electric Engineering Co., Ltd.. Active years: 2017-2022.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
4 out of 70 
2 out of 59 
1 out of 6 Years Active: 2017-2022
Title: Huazhong Li: Innovator in Power System Technologies
Introduction
Huazhong Li is a prominent inventor based in Jiangsu, China. He has made significant contributions to the field of power system technologies, holding a total of 4 patents. His innovative methods focus on enhancing the reliability and safety of power systems, particularly in the context of transformers and circuit breakers.
Latest Patents
One of Huazhong Li's latest patents is a method for detecting the open phase of a startup/standby transformer based on optical CT. This invention addresses the challenge of identifying single-phase open phase faults in transformers that are often in a no-load condition. By utilizing optical CT to monitor three-phase currents, the method ensures timely detection of faults, thereby enhancing the operational reliability of power plants.
Another notable patent is a method and apparatus for identifying the open phase of a circuit breaker based on voltage measurements. This method involves measuring three-phase voltages at both sides of a circuit breaker and calculating the vector difference and effective values. If specific voltage criteria are met, the system can determine the presence of an open phase and initiate an alarm or tripping operation, ensuring prompt action to maintain safety.
Career Highlights
Huazhong Li has worked with notable companies such as Nr Electric Co., Ltd and Nr Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in power system technologies.
Collaborations
Throughout his career, Huazhong Li has collaborated with talented individuals, including Jun Chen and Guang Wang. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Huazhong Li's work in power system technologies exemplifies the importance of innovation in ensuring the safety and reliability of electrical systems. His patents reflect a commitment to addressing critical challenges in the industry, making him a noteworthy figure in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile