Heikki J Tuusa

Title: Heikki J Tuusa: Innovator in Overvoltage Protection and Rectifier Technology

Introduction

Heikki J Tuusa is a notable inventor based in Tampere, Finland. He has made significant contributions to the field of electrical engineering, particularly in the development of devices for overvoltage protection and rectifier technology. With a total of six patents to his name, Tuusa's work has had a considerable impact on the industry.

Latest Patents

One of Tuusa's latest patents is an overvoltage protector for rectifier/inverter bridges. This innovative device provides overvoltage protection for rectifier/inverter bridges using gate-controlled solid-state switches without zero diodes. The design incorporates one or two overvoltage protector units that activate when the voltage between protection connections exceeds the voltage across a storage capacitor. This mechanism ensures that the solid-state switches are safeguarded against overvoltages. Another significant patent involves the regulation of D.C. voltage in a pulse-width modulated rectifier. This procedure utilizes self-commutated semiconductor components and filtering coils to regulate the D.C. voltage effectively.

Career Highlights

Throughout his career, Heikki J Tuusa has worked with prominent companies such as Kone Elevator GmbH and Kone Oy. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the field of electrical engineering.

Collaborations

Tuusa has collaborated with several professionals in his field, including Jaakko Ollila. These partnerships have facilitated the exchange of ideas and advancements in technology.

Conclusion

Heikki J Tuusa's contributions to overvoltage protection and rectifier technology highlight his innovative spirit and dedication to engineering. His patents reflect a commitment to enhancing the safety and efficiency of electrical systems.