David Frey

Title: David Frey: Innovator in AC/DC Conversion Technology

Introduction

David Frey is a notable inventor based in Grenoble, France. He has made significant contributions to the field of power conversion technology, particularly in the development of AC/DC converters. With a total of 2 patents, Frey has demonstrated his expertise and innovative spirit in this specialized area.

Latest Patents

Frey's latest patents include the "Bidirectional AC/DC H-bridge power converter" and the "Direct conversion switched-mode AC/DC converter." The Bidirectional AC/DC H-bridge power converter features an H bridge, inductances in series with both the input and output of the bridge, and a control circuit that alternates the bridge's configuration. This innovative design allows for efficient power conversion by managing the current flow through the switches during transitional phases. The Direct conversion switched-mode AC/DC converter consists of four bidirectional switches forming an H bridge, with capacitors connected at both input and output nodes. The control circuit in this patent ensures that the switches operate only when the voltage across them reaches zero, enhancing the efficiency of the conversion process.

Career Highlights

Throughout his career, David Frey has worked with esteemed organizations such as the Commissariat à l'énergie atomique et aux énergies alternatives. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking advancements in power conversion technology.

Collaborations

Frey has collaborated with talented individuals such as Léo Sterna and Othman Ladhari. These partnerships have fostered a creative environment that has led to innovative solutions in the field of AC/DC conversion.

Conclusion

David Frey is a distinguished inventor whose work in AC/DC conversion technology has made a significant impact. His patents reflect his commitment to innovation and efficiency in power conversion systems.