Subhashish Bhattacharya

Title: Subhashish Bhattacharya: Innovator in Resonant Converter Circuits and Transformer Designs

Introduction

Subhashish Bhattacharya is a notable inventor based in Raleigh, NC (US). He has made significant contributions to the field of electrical engineering, particularly in the design of resonant converter circuits and transformers. With a total of 7 patents to his name, Bhattacharya's work has advanced the efficiency and functionality of power conversion systems.

Latest Patents

One of Bhattacharya's latest patents focuses on parallel-connected resonant converter circuits. This innovation includes various examples related to the operation of these converters. In one instance, a system comprises multiple resonant converters connected in parallel, along with an output voltage regulator that generates a common control reference signal for each converter. This signal is derived from a single output voltage sensor, allowing for coordinated operation of the resonant converters. Another example describes a method for monitoring the output voltage of these converters using a single sensor, which simplifies the control process and enhances system reliability.

Additionally, Bhattacharya has developed transformer designs that provide very high isolation while maintaining high coupling between windings. One such design features an isolation transformer with two excitation coils wound around separate cores, electrically isolated by a high resistivity magnetic material. This innovative design allows for safe, energized plug operations, showcasing Bhattacharya's commitment to enhancing electrical safety and efficiency.

Career Highlights

Throughout his career, Subhashish Bhattacharya has worked with esteemed organizations such as North Carolina State University and the U.S. Department of Energy. His experience in these institutions has allowed him to collaborate on various research projects, furthering his expertise in electrical engineering and innovation.

Collaborations

Bhattacharya has collaborated with notable colleagues, including Richard B Beddingfield and Ali Azidehak. These partnerships have contributed to the development of his patents and innovations, fostering a collaborative environment for research and development.

Conclusion

Subhashish Bhattacharya is a distinguished inventor whose work in resonant converter circuits and transformer designs has made a significant impact in the field of electrical engineering. His innovative patents and collaborations reflect his dedication to advancing technology and improving electrical systems.