Company Filing History:
Years Active: 1998-2003
Title: Ingvar Hagman: Innovator in Power Transmission Technology
Introduction
Ingvar Hagman is a notable inventor based in Ludvika, Sweden. He has made significant contributions to the field of power transmission technology, holding 2 patents that showcase his innovative approach to electrical engineering.
Latest Patents
Hagman's latest patents include a method for controlling the extinction angle of a line-commutated converter. This method relies on a minimum reference value for the extinction angle and involves a device that generates firing control pulses for a commutating valve. The device continuously forms an operating value of recovery time for the semiconductor element of a decommutating valve, ensuring efficient operation of the converter.
Another significant patent focuses on protective equipment in a bipolar high voltage direct current (HVDC) station. This invention addresses the need for protective measures in a bipole converter station, which is essential for power transmission. The protective equipment utilizes measurement signals to avoid permanent faults by influencing the operation of the station, ensuring reliability and safety in power transmission.
Career Highlights
Throughout his career, Ingvar Hagman has worked with prominent companies in the electrical engineering sector. Notably, he has been associated with Asea Brown Boveri AB and ABB Group Services Center AB. His experience in these organizations has contributed to his expertise and innovative capabilities in the field.
Collaborations
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Conclusion
Ingvar Hagman is a distinguished inventor whose work in power transmission technology has led to significant advancements in the field. His patents reflect a deep understanding of electrical engineering and a commitment to innovation.