The new concept of Cryogenic Power Conversion (CPC) using low temperature operated semiconductor devices and components promises higher efficiencies, drastic size, weight and cost reductions for certain suitable military and commercial applications. ThisSBIR proposes to expand the CPC-concept to… More

Progress in power electronics has been slow and steady over the years, driven primarily by advances in power semiconductors. An innovative method of enhancing power electronics is proposed whereby cryogenic cooling is employed to improve (1) currentcarrying capacity, (2) device speed, and (3)… More

Progress in power electronics has been slow and steady over the years, driven primarily by advances in power semiconductors. An innovative method of enhancing power electronics is proposed whereby cryogenic cooling is employed to improve (1) currentcarrying capacity, (2) device speed, and (3)… More

Proposed is a novel development program that will lead to an ultra-efficient cryogenic motor controller operating at temperatures above 60K. The motor controller is intended to demonstrate a significant reduction in losses, compared to its room-temperature counterparts. Cryogenic motor… More

The Navy is moving forward with all-electric hybrid ship and vehicle propulsion systems, rail guns, directed energy weapons, and electromagnetic launchers and sensors. Cryogenically cooling the power electronics in these systems will facilitate the transition to these new technologies, providing… More

A program is proposed which will lead to the development of novel quench protection technologies in high-temperature superconductive magnets operating at temperatures above 30K. These magnets are intended for use in compact, energy-dense magnet systems for the Air Force. In Phase I, innovative… More

The proposed program will focus on the development of a high performance, lightweight, high-voltage buck converter, which can be used in high power distribution systems where size and weight are a premium. The buck converter will be operated at cryogenic temperatures for increased performance. In… More

The advent of second-generation high-temperature superconductors will have a dramatic effect on power systems and weapons systems for the military. The increased need for power density and close integration of power subsystems associated with superconductive devices and cables leads one to consider… More

The DOE requires higher power semiconductor switches ¿ particularly Integrated Gate Bipolar Transistors (IGBTs) ¿ for power modulators and power supplies used in future accelerator facilities. This project will develop a means of enhancing the performance of existing IGBTs, most notably by… More

This Small Business Innovation Research Phase I project will address a method of reducing energy waste in large buildings. The company proposes to demonstrate the feasibility of a novel, ultra-efficient power distribution system. In Phase I, the company will design a prototype, and in Phase II,… More

NASA is investigating advanced turboelectric aircraft propulsion systems that utilize superconducting motors to drive a number of distributed turbofans. In an early-stage concept, two superconducting turbine generators, mounted on each of the wing tips, are used to supply electrical power to 16… More

This project addresses very high power switches for accelerators used in high-energy physics research and particle research, which seeks to broaden understanding of fundamental physical properties. The accelerator community requires devices with higher performance and especially fast switching times… More

Cryogenically power electronics devices promise improved performance over conventional devices, and can be easily integrated with superconducting cables, motors, or generators. However, conventional packages do not work well at low temperatures, and often lead to device failure under cryogenic… More

NASA is investigating advanced turboelectric aircraft propulsion systems that utilize superconducting motors to drive a number of distributed turbofans. Conventional electric motors are too large and heavy to be practical for this application, and so superconducting motors are required. In order… More

This project addresses very high power switches for accelerators used in high-energy physics research and particle research. Existing devices have relatively slow switching times, compared to those required for the application. The proposed program seeks to develop high-voltage, high-current… More