Company Filing History:
Years Active: 2018
Title: Hirofumi Oyamada: Innovator in Power Conversion Systems
Introduction
Hirofumi Oyamada is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of power conversion systems, particularly with his innovative approach to detecting isolated operations.
Latest Patents
Hirofumi Oyamada holds a patent for a "Power conversion system and method for detecting isolated operation of the same." This invention is designed to easily and clearly distinguish between being interconnected to a power system and being in an isolated operation. The system converts DC power to AC power for interconnection with a power system and injects reactive power into a grid node to determine isolated operation. Key components of the system include a voltage detector, a current detector, a frequency measurement unit, a reactive-power measurement unit, and an isolated-operation determination unit.
Career Highlights
Hirofumi Oyamada is associated with Hitachi Information & Telecommunication Engineering, Ltd., where he applies his expertise in power systems. His work has been instrumental in advancing technologies that enhance the reliability and efficiency of power conversion.
Collaborations
Hirofumi collaborates with Akira Kikuchi, contributing to innovative projects within the company.
Conclusion
Hirofumi Oyamada's contributions to power conversion technology exemplify the impact of innovative thinking in the energy sector. His patent reflects a commitment to improving power system operations and safety.