This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Eppscore Co., Ltd.. Active years: 2007.
Company Filing History:
Years Active: 2007
Title: Innovations by Donghwan Jang in Uninterruptible Power Supply Technology
Introduction
Donghwan Jang is a notable inventor based in Gyeonggi, South Korea. He has made significant contributions to the field of power supply technology, particularly through his innovative designs that enhance energy efficiency and reliability.
Latest Patents
One of Donghwan Jang's key patents is an uninterruptible power supply designed for the backup of AC power supply. This invention utilizes an electric double layer capacitor as an energy storage device. The system includes an AC power source, an AC/DC converter, an energy storage device, and a DC/AC inverter. The unique aspect of this invention is that it adjusts the charging voltage of the electric double layer capacitor to a ratio of 1.3 times or higher compared to the minimum operating voltage of the DC/AC inverter. This design significantly improves energy efficiency and extends power backup time compared to conventional systems.
Career Highlights
Donghwan Jang is currently associated with Eppscore Co., Ltd., where he continues to develop innovative solutions in power supply technology. His work has been instrumental in advancing the capabilities of uninterruptible power supplies.
Collaborations
He has collaborated with notable colleagues such as Myoung-shin Hong and Whanjin Roh, contributing to a dynamic work environment that fosters innovation.
Conclusion
Donghwan Jang's contributions to uninterruptible power supply technology exemplify the importance of innovation in enhancing energy efficiency and reliability. His work continues to impact the field positively.