Edward S Matulevich

Title: Innovations by Edward S. Matulevich: A Focus on Electric Propulsion Systems

Introduction: Edward S. Matulevich, an accomplished inventor based in Erie, PA, has contributed significantly to the field of electric propulsion systems. With a total of five patents to his name, Matulevich’s work stands at the forefront of innovations that enhance the efficiency and performance of electric motors.

Latest Patents: Among his latest inventions is a groundbreaking patent for a variable voltage limit control in electric propulsion systems. This method and apparatus optimize the power delivered by a prime mover-driven electric power alternator to an adjustable speed electric traction motor during high-speed operations. The system is designed to ensure that the alternator maintains a constant power output until the motor reaches a 'corner point' speed, at which point voltage limits are imposed to prevent excess excitation current from surpassing the alternator's ratings. As motor speeds exceed this point, the voltage is adjusted to minimize power reduction while allowing the motor to operate at optimum speeds.

Another notable patent by Matulevich involves a method for controlling forced commutation in an ac-to-dc electric rectifying circuit. This invention includes a pair of controllable electric valves and a unique forced commutation mechanism that enhances the reliability of current conduction through the main valves, ensuring stability even under low capacitor voltage conditions.

Career Highlights: Matulevich has spent a significant portion of his career at General Electric Company, where he has applied his expertise to develop and refine technologies that support electric propulsion systems. His innovative approach has not only resulted in patents but has also paved the way for advancements in energy efficiency and electric motor performance.

Collaborations: Throughout his career, Edward S. Matulevich has collaborated with esteemed colleagues including Paul Robert Hokanson and James William Hoover. Together, they have fostered an environment of innovation and advancement within the technology sector, driving enhancements in electric propulsion and rectification methods.

Conclusion: Edward S. Matulevich exemplifies the spirit of innovation through his contributions to electric propulsion technology. His patents not only reflect his technical expertise but also highlight his commitment to improving the efficiency and functionality of electrical systems. As the landscape of electric propulsion continues to evolve, Matulevich's work will undoubtedly play a crucial role in shaping the future of this vital field.