Chen-Jui Shen

Title: Innovations of Chen-Jui Shen in Power Factor Correction Technologies

Introduction

Chen-Jui Shen is a notable inventor based in Jhonghe, Taiwan. He has made significant contributions to the field of power factor correction (PFC) technologies, holding two patents that address compatibility issues between electronic devices and uninterruptible power supply (UPS) systems.

Latest Patents

His latest patents include a method and apparatus for providing a PFC compatible solution for electronic devices. This invention discloses methods and apparatuses for resolving incompatibility between nonsinusoidal waveform UPS systems and active PFC loads. An embodiment of the invention involves generating a nonsinusoidal signal waveform, which is delivered to the load with a pulse width modulation (PWM) duty width. The invention samples the nonsinusoidal signal waveform to collect output signal samples and adjusts the duty width to control the waveform based on these samples, ensuring a desired signal characteristic is delivered to the load. The techniques disclosed in this patent find broad applicability in electronic devices such as servers, computers, UPS systems, and inverters, enhancing efficiency and reliability for both end users and utility providers.

Another patent by Chen-Jui Shen focuses on providing a PFC compatible solution specifically for nonsinusoidal UPS systems. Similar to his previous invention, it includes generating a nonsinusoidal signal waveform and adjusting the PWM duty width based on output signal samples. This innovation also aims to improve efficiency and reliability in UPS systems and inverters.

Career Highlights

Throughout his career, Chen-Jui Shen has worked with prominent companies in the industry, including American Power Conversion Corporation and Schneider Electric IT Corporation. His experience in these organizations has contributed to his expertise in power factor correction technologies.

Collaborations

Chen-Jui Shen has collaborated with notable professionals in his field, including Hsiu-Ping Chen and Sheng-Hsien Fang. These collaborations have likely enriched his work and contributed to the development of his innovative solutions.

Conclusion

Chen-Jui Shen's contributions to power factor correction technologies demonstrate his commitment to improving the efficiency and reliability of electronic devices. His patents reflect a deep understanding of the challenges faced in the industry and provide valuable solutions for enhancing performance in various applications.