This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Hitachi Energy Switzerland Ag. Active years: 2022.
Company Filing History:
Years Active: 2022
Title: Aken-Kai Liu: Innovator in Power Transmission Protection
Introduction
Aken-Kai Liu is a notable inventor based in Beijing, China. He has made significant contributions to the field of power transmission protection. His innovative approach focuses on enhancing fault detection methods for transmission lines.
Latest Patents
Aken-Kai Liu holds a patent for a method titled "Time domain distance protection based on polarity comparison for power transmission lines." This method is designed for fault detection in transmission systems. It involves obtaining instantaneous measurements of local voltages and currents, filtering these measurements, and calculating a compensated voltage using a differential equation-based algorithm. Fault detection is performed by analyzing the ratio between the compensated voltage and a reference voltage. An internal fault is identified when this ratio falls below a certain threshold, while an external fault is recognized when the ratio exceeds it.
Career Highlights
Aken-Kai Liu is currently employed at Hitachi Energy Switzerland AG. His work focuses on developing advanced technologies for power transmission systems. His expertise in this area has led to innovative solutions that improve the reliability and safety of electrical infrastructure.
Collaborations
Aken-Kai Liu has collaborated with several professionals in his field, including YouYi Li and Jianping Wang. These collaborations have contributed to the advancement of technologies in power transmission protection.
Conclusion
Aken-Kai Liu is a prominent inventor whose work in power transmission protection has made a significant impact. His innovative patent demonstrates his commitment to enhancing the safety and efficiency of electrical systems.