This inventor holds 1 USPTO granted patent. Top assignee: Emerson Energy Systems, Ab. Active years: 2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2003
Title: Roland Wald - Innovator in Zero-Voltage-Switching Technology
Introduction
Roland Wald is a notable inventor based in Skärholmen, Sweden. He has made significant contributions to the field of electrical engineering, particularly in the development of innovative circuits that enhance power efficiency. His work is characterized by a focus on zero-voltage-switching (ZVS) technology, which is crucial for modern power conversion systems.
Latest Patents
Wald holds a patent for a zero-voltage-switch snubber circuit. This innovative circuit is designed for high power boost converters that are utilized as power factor correction circuits in AC-to-DC modules. The ZVS circuit consists of a main switch, an auxiliary switch, a load circuit, a reset circuit, a first diode, a blocking diode, and a first capacitor. The configuration allows the switches and the capacitor to be connected in parallel, optimizing performance. The circuit includes a blocking diode with its anode terminal linked to the drain terminal of the auxiliary switch and its cathode terminal connected to the reset circuit. At turn-off, the current tail of the main switch is managed by the auxiliary switch, ensuring that the collector-emitter voltage of the main switch remains nearly zero, thereby minimizing turn-off losses.
Career Highlights
Wald is currently employed at Emerson Energy Systems, a company known for its advancements in energy solutions. His role involves the application of his patented technology to improve energy efficiency in various systems. His expertise in ZVS technology has positioned him as a key player in the field of power electronics.
Collaborations
Wald collaborates with Nils Bäckman, a fellow engineer, to further enhance the development and application of their innovative technologies. Their partnership exemplifies the importance of teamwork in driving technological advancements.
Conclusion
Roland Wald's contributions to zero-voltage-switching technology have made a significant impact on the efficiency of power conversion systems. His innovative approach and dedication to engineering excellence continue to inspire advancements in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile