Joseph Alexander Carr

Title: Joseph Alexander Carr: Innovator in Power Conversion Technologies

Introduction

Joseph Alexander Carr is a notable inventor based in Cary, NC (US), recognized for his contributions to power conversion technologies. With a total of 4 patents, Carr has made significant advancements in the field of medium voltage direct current systems and bidirectional power conversion.

Latest Patents

Carr's latest patents include a "Medium Voltage DC Collection System with Power Electronics." This innovative power generation system features at least one generator that produces medium voltage direct current with both positive and negative DC voltage outputs. The system incorporates a medium voltage DC (MVDC) cable system, connecting the positive pole cable to the positive DC voltage output and the negative pole cable to the negative DC voltage output. Additionally, a substation is linked to the MVDC cable system, which includes a DC/DC step-up converter to elevate the medium voltage direct current to high voltage direct current.

Another significant patent is the "Bidirectional Power Conversion with Fault-Handling Capability." This power conversion system consists of a unipolar bidirectional power converter with DC terminals and a first controller, alongside a bipolar bidirectional power converter with DC terminals connected in series with the unipolar converter's DC terminals and a second controller. The first controller ensures a positive-valued DC voltage across the DC terminals, while the second controller can generate either a positive or negative DC voltage across the bipolar converter's terminals, allowing for a total voltage that is the sum of both converters.

Career Highlights

Throughout his career, Joseph Alexander Carr has worked with prominent companies such as ABB Research Ltd. and ABB Technology AG. His experience in these organizations has contributed to his expertise in power electronics and system design.

Collaborations

Carr has collaborated with talented professionals in his field, including Sandeep Bala and Hongrae Kim. These partnerships have likely enhanced his innovative capabilities and contributed to the development of his patented technologies.

Conclusion

Joseph Alexander Carr stands out as an influential inventor in the realm of power conversion technologies. His innovative patents and career achievements reflect his commitment to advancing the field and addressing the challenges of modern power systems.