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Superconducting Hybrid Power Electronics

   

The Superconducting Hybrid Power Electronics (SuperHyPE) program will develop novel cryogenic power technologies that will enable an order of magnitude improvement in power density for large power conversion systems, and at least a 3X decrease in losses, as shown by a preceding seedling effort. Those technologies are (1) AC compatible, high-temperature superconducting (HTS) tape that can operate above 60 K; (2) new materials for cryogenic power electronics, such as SiGe heterostructures and novel cryogenic capacitors; and (3) high-power electronic devices and circuits optimized for cryogenic operation. This project will address the materials science and device technology challenges critical to the development of significantly smaller, more efficient, lower noise, and more reliable power systems. In particular, a second generation HTS tape will be developed, which will be optimized for low losses in AC fields up to 500 Hz and with high current carrying capability (>100 Amps) in magnetic fields of up to 2 Tesla at temperature above 60 K. In addition, cryogenic capacitors with energy storage capabilities an order of magnitude larger than their ambient temperature counterparts will be developed, and SiGe high-power switches will be optimized for operation at cryogenic temperatures and demonstrated in small power modules.

 

 

 

 

 

 

 

 


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