James P Johnson

Title: James P Johnson: Innovator in Power Conversion Technology

Introduction

James P Johnson is a notable inventor based in Washington, IL (US). He has made significant contributions to the field of power conversion technology, holding a total of 4 patents. His work focuses on improving the efficiency and reliability of power systems, particularly in utility interactive environments.

Latest Patents

One of his latest patents is titled "Combination current hysteresis and voltage hysteresis control for a power converter." This patent describes a method for controlling an AC signal supplied to a load and selectively to a utility grid. The method includes decoupling the AC signal from the utility grid in response to a fault and adjusting the voltage associated with the AC signal when it falls outside a desired band. Additionally, it involves comparing the magnitude of the current associated with the AC signal to a desired current value and making adjustments accordingly.

Another significant patent is "Power converter in a utility interactive system." This invention involves a backup fuel cell coupled to a utility power grid through a power conversion circuit. The circuit includes an inverter, pulse generating circuit, and control circuit, which work together to manage the conversion of DC signals to AC signals and adjust parameters in response to changes in utility-generated AC signals.

Career Highlights

James P Johnson is currently employed at Caterpillar Inc., a leading company in the manufacturing of construction and mining equipment, engines, and industrial gas turbines. His role at Caterpillar allows him to apply his innovative ideas in real-world applications, contributing to advancements in power conversion technologies.

Collaborations

James has collaborated with various professionals in his field, including his coworker Marcelo C Algrain. Their combined expertise enhances the development of innovative solutions in power systems.

Conclusion

James P Johnson's contributions to power conversion technology demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of electrical systems and their interaction with utility grids. His work continues to influence advancements in the industry, making him a key figure in the field of power technology.