James J Valasek

Title: James J Valasek - Innovator in DC Bus Precharge Systems

Introduction

James J Valasek is a notable inventor based in Mequon, Wisconsin. He has made significant contributions to the field of electrical engineering, particularly in the development of systems that enhance the efficiency and safety of DC bus circuits. His innovative approach has led to the creation of a patented technology that addresses critical operational challenges.

Latest Patents

Valasek holds a patent for a DC bus precharge system. This system is designed to precharge a DC bus circuit and includes a first input, first and second circuit branches, and a controller. The first circuit branch features a first contactor connected to an AC to DC converter, while the second circuit branch comprises a disconnect switch, a variable frequency drive (VFD), an inductor, and a second contactor. The precharge VFD allows for precise control over the precharge operation, including charging time, current limiting, short-circuit and ground fault protection, and monitoring of DC bus capacitance. The controller manages the operation by opening and closing contactors and switches to ensure a safe and efficient precharging process.

Career Highlights

Valasek is currently employed at Rockwell Automation Technologies Incorporated, where he continues to innovate and develop advanced electrical systems. His work has been instrumental in improving the reliability and performance of DC bus circuits in various applications. With a focus on safety and efficiency, Valasek's contributions are recognized within the industry.

Collaborations

Throughout his career, Valasek has collaborated with talented professionals, including Nickolay N Guskov and Gary Leonard Skibinski. These partnerships have fostered an environment of innovation and have led to the successful development of cutting-edge technologies.

Conclusion

James J Valasek is a distinguished inventor whose work in DC bus precharge systems exemplifies the importance of innovation in electrical engineering. His patented technology not only enhances operational efficiency but also ensures safety in electrical systems. Valasek's contributions continue to impact the industry positively.