Company Filing History:
Years Active: 1988
Title: The Innovative Contributions of William P. Giewont
Introduction
William P. Giewont is a notable inventor based in Earlysville, Virginia. He has made significant contributions to the field of motor control systems, holding a total of 2 patents. His work primarily focuses on enhancing the efficiency and functionality of variable voltage inverters.
Latest Patents
Giewont's latest patents include a method for starting a variable voltage inverter with a pre-spinning load. This method provides a smooth transition to powered operation in motor control systems, where the inverter regulates power to the motor on a volts per Hertz basis. It is particularly useful for systems that energize and rapidly gain control of a motor driving a load while the motor armature is already turning. The implementation involves sweeping the frequency of the excitation applied to an alternating current motor while maintaining sufficient excitation levels to prevent overcurrent.
Another significant patent is the dynamic brake control system for an alternating current motor powered by a variable voltage, variable frequency inverter. This system regulates the motor's speed and utilizes an AC to DC converter to convert AC line power to DC power. During electrical dynamic braking, the inverter transfers power from the motor to the DC link, with the torque available during braking being a function of the receptivity of the DC link. The system is designed to minimize ripple current on the DC link without requiring high-frequency control of the modulating electronics.
Career Highlights
William P. Giewont is associated with General Electric Company, where he has contributed to various innovative projects. His expertise in motor control systems has positioned him as a key figure in the development of advanced technologies in this field.
Collaborations
Giewont has collaborated with John D. D'Atre, working together on projects that enhance motor control and inverter technologies.
Conclusion
William P. Giewont's contributions to the field of motor control systems through his innovative patents demonstrate his commitment to advancing technology. His work continues to influence the efficiency and effectiveness of variable voltage inverters in various applications.
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