This inventor holds 2 USPTO granted patents. Top assignees: Tennessee Valley Authority, Electric Power Research Institute Incorporated, North Carolina State University. Active years: 2007-2009.
Company Filing History:
2 out of 168 
1 out of 994 
1 out of 1,489 
Years Active: 2007-2009
Title: Michael R. Ingram: Innovator in Energy Storage and Power Systems
Introduction
Michael R. Ingram is a notable inventor based in Harrison, TN (US), recognized for his contributions to energy storage systems and power transmission technologies. With a total of 2 patents, Ingram has developed innovative methods that enhance the efficiency and reliability of electrical systems.
Latest Patents
Ingram's latest patents include a "Method and apparatus for managing ultracapacitor energy storage systems for a power transmission system." This invention focuses on automatically monitoring and controlling various parameters of individual ultracapacitor cells in a series string. The system ensures that any cell losing charge, whether due to external or internal factors, receives a replacement charge current. This method is particularly applicable to energy storage systems within electrical power transmission grids.
Another significant patent is the "Method and circuit for cascaded pulse width modulation." This invention addresses the balancing of voltage in DC links within a cascaded multi-level converter (CMC) semiconductor circuit. It involves multiple H-bridge converters per phase and utilizes a three-phase duty cycle value to determine normalized, ceiling, and floor duty cycle values. The method effectively balances the voltage of DC links, eliminating DC-capacitor voltage imbalances.
Career Highlights
Throughout his career, Ingram has worked with prominent organizations such as the Tennessee Valley Authority and North Carolina State University. His experience in these institutions has contributed to his expertise in energy systems and power management.
Collaborations
Ingram has collaborated with notable professionals in his field, including Qin Huang and Abdel-Aty Edris. These partnerships have furthered his research and development efforts in innovative energy solutions.
Conclusion
Michael R. Ingram's work in energy storage and power systems exemplifies the impact of innovation in technology. His patents reflect a commitment to advancing electrical engineering and improving energy efficiency.