James A Campbell

Title: James A Campbell: Innovator in Electrical Power Systems

Introduction

James A Campbell is a notable inventor based in Nottingham, GB. He has made significant contributions to the field of electrical power systems, holding a total of 2 patents. His work focuses on enhancing the efficiency and reliability of electrical power systems through innovative control mechanisms.

Latest Patents

James A Campbell's latest patents include advancements in electrical power system converter control. One of his patents describes an electrical power system that comprises an electrical machine operable to output AC, a DC electrical network, and a power electronics converter. This converter is connected between the AC output of the electrical machine and the DC electrical network, featuring a plurality of transistors and associated diodes. The controller in this system is designed to manage the switching of the transistors, ensuring that the AC output is rectified to supply the DC electrical network with power. Additionally, the controller can respond to faults in the DC electrical network by injecting voltage to bias the diodes and controlling the current supplied to the faulted network.

Another patent by Campbell outlines a similar electrical power system, which includes a phase leg with bi-directional MOSFETs. The controller in this system manages the switching of these MOSFETs to rectify the AC input to DC, supplying the DC electrical network. In the event of a fault, the controller can switch the converter into a crow-bar configuration, preventing electrical machine current from flowing to the DC network.

Career Highlights

James A Campbell is currently employed at Rolls-Royce Corporation, where he continues to innovate in the field of electrical power systems. His work has been instrumental in developing technologies that enhance the performance and safety of electrical systems.

Collaborations

Throughout his career, Campbell has collaborated with notable colleagues, including Francisco Javier Chivite Zabalza and David Reginald Trainer. These collaborations have contributed to the advancement of electrical power technologies.

Conclusion

James A Campbell is a distinguished inventor whose work in electrical power systems has led to significant advancements in the field. His innovative patents and contributions to Rolls-Royce Corporation highlight his commitment to improving electrical power technologies.