Sasitharan Subramanian

Title: Innovations by Sasitharan Subramanian: A Pioneer in Power Systems

Introduction: Sasitharan Subramanian is a notable inventor based in Ludvika, Sweden, recognized for his contributions to the field of electrical engineering and power systems. With an impressive portfolio of 8 patents, Subramanian has made significant advancements that enhance the efficiency and safety of power systems integrating alternating current (AC) and direct current (DC).

Latest Patents: Among his most recent patents, the "Interface arrangement between an alternating current power system and a direct current power system with control of converter valve for fault protection" stands out. This innovation is designed to connect AC power systems with DC power systems. It features a series of converter modules, each with multi-level converter cells that play a crucial role in providing voltage contributions to the AC waveform based on the DC system’s voltage. The converter valves incorporated in this design can switch between conducting states, allowing for precise control over the voltage contribution and acting as fault protection to manage overcurrents.

Another significant patent is the "Voltage source converter with improved operation." This invention comprises multiple converter modules arranged in series between two DC terminals, where each module contains upper and lower director valves. The design facilitates the creation of a primary AC terminal and includes various sophisticated components, ensuring enhanced operational efficiency and adaptability in power conversion processes.

Career Highlights: Sasitharan Subramanian has had a commendable career with notable companies, including ABB Schweiz AG and ABB Technology AG. His work in these organizations has undoubtedly supported his innovative endeavors, leading him to develop cutting-edge solutions in electrical systems.

Collaborations: Throughout his career, Subramanian has collaborated with esteemed professionals, including Tomas Lars Jonsson and Praveen Kumar Barupati. These partnerships have contributed to the advancement of his research and the success of his patents, reflecting the importance of teamwork in the innovation process.

Conclusion: Sasitharan Subramanian is a prominent figure in the field of electrical engineering, with a remarkable track record in patenting innovative solutions that bridge the gap between alternating and direct current systems. His ongoing contributions continue to influence the landscape of power engineering, establishing a legacy that will inspire future inventors and engineers in the industry.