Hidenori Sawa

Title: Hidenori Sawa: Innovator in AC Motor Technology

Introduction

Hidenori Sawa is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of protecting apparatuses and control systems for AC motors and generators. With a total of 2 patents, Sawa's work has had a considerable impact on the efficiency and safety of variable speed AC systems.

Latest Patents

Sawa's latest patents include a "Protecting apparatus for secondary excitation type variable speed AC" and a "Control system for AC motor/generator of secondary AC excitation type." The protecting apparatus is designed to detect electrical events such as overvoltage and overcurrent in the secondary winding of an AC generator or motor. It decides whether these events meet predetermined conditions and can close a switch circuit to protect the system. The control system, on the other hand, manages the load of an AC motor or generator connected to a power system, ensuring that variations in power flow are absorbed effectively to prevent disruptions.

Career Highlights

Throughout his career, Hidenori Sawa has worked with prominent companies such as Hitachi, Ltd. and Kansai Electric. His experience in these organizations has allowed him to refine his expertise in electrical systems and contribute to innovative solutions in the industry.

Collaborations

Sawa has collaborated with notable colleagues, including Akio Ito and Hiroshi Sugisaka. These partnerships have fostered a creative environment that has led to advancements in AC motor technology.

Conclusion

Hidenori Sawa's contributions to the field of electrical engineering, particularly in AC motor technology, demonstrate his innovative spirit and commitment to enhancing system efficiency and safety. His patents reflect a deep understanding of the complexities involved in electrical systems, making him a valuable figure in the industry.