Luc Raffestin

Title: Innovations of Luc Raffestin

Introduction

Luc Raffestin is a notable inventor based in Valence, France. He has made significant contributions to the field of automation and control systems, holding a total of three patents. His work focuses on enhancing the efficiency and reliability of electrical circuits and control devices.

Latest Patents

One of Raffestin's latest patents is the Hybrid Power Relay. This innovative device is designed for opening or closing electrical circuits. It includes an electrical contact with mechanical movement, a semiconductor component in parallel with the electrical contact, and a control unit. The control unit responds to a logic input level, causing the electrical contact to close or open while managing the semiconductor component's operation. This design ensures that the semiconductor component remains undamaged even if the electrical contact fails to close.

Another significant patent is the Method of Control by Phase Angle. This method aims to produce a phase control device that is free from the constraints of drifts caused by supply frequency or temperature variations. The command signal delivered by a control is modified by a converter, ensuring that the actuator's activity remains a linear function of the control signal. This improvement accounts for variations in the supply signal frequency, enhancing the device's overall performance.

Career Highlights

Luc Raffestin is currently employed at Crouzet Automatismes, a company known for its expertise in automation solutions. His work at Crouzet has allowed him to develop and refine his innovative ideas, contributing to the advancement of automation technology.

Collaborations

Raffestin collaborates with Gérard Blain, a fellow professional in the field. Their partnership has fostered a creative environment that encourages the development of new ideas and solutions in automation.

Conclusion

Luc Raffestin's contributions to the field of automation through his patents and work at Crouzet Automatismes highlight his innovative spirit and dedication to advancing technology. His inventions, particularly the Hybrid Power Relay and the Method of Control by Phase Angle, showcase his ability to address complex challenges in electrical engineering.