Company Filing History:
Years Active: 2025
Title: Innovations of Ching-Nan Wu
Introduction
Ching-Nan Wu is a notable inventor based in Taoyuan, Taiwan. He has made significant contributions to the field of electrical engineering, particularly in power factor correction circuits. His innovative work has led to the development of a unique patent that enhances the efficiency of electrical systems.
Latest Patents
Ching-Nan Wu holds a patent for a "Totem pole power factor correction circuit and method of operating the same." This invention features a Totem Pole PFC circuit that includes at least one fast-switching leg, a slow-switching leg, and a control unit. The fast-switching legs consist of a fast-switching upper switch and a fast-switching lower switch, while the slow-switching leg is coupled in parallel and includes its own upper and lower switches. The control unit is designed to receive an AC voltage with a phase angle and incorporates a current detection loop, a voltage detection loop, and a control loop. This control loop generates a second control signal assembly to manage the operation of the slow-switching switches, dynamically adjusting their duty cycle based on the phase angle.
Career Highlights
Ching-Nan Wu is currently employed at Delta Electronics, Inc., where he continues to innovate and contribute to advancements in electrical engineering. His work is characterized by a commitment to improving the efficiency and functionality of power systems.
Collaborations
Ching-Nan Wu collaborates with talented individuals such as Chun-Hao Huang and Chun-Wei Lin, who contribute to the innovative environment at Delta Electronics, Inc. Their teamwork fosters creativity and leads to groundbreaking developments in technology.
Conclusion
Ching-Nan Wu's contributions to the field of electrical engineering, particularly through his patent on power factor correction circuits, highlight his innovative spirit and dedication to enhancing electrical systems. His work at Delta Electronics, Inc. and collaborations with fellow engineers further exemplify the importance of teamwork in driving technological advancements.