Method and apparatus of cryogenic cooling for high temperature superconductor devices
Abstract
A method and apparatus for providing cryogenic cooling to HTS devices, in particular those that are used in high-voltage electric power applications. The method involves pressurizing liquid cryogen to above one atmospheric pressure to improve its dielectric strength, while sub-cooling the liquid cryogen to below its saturation temperature in order to improve the performance of the HTS components of the device. An apparatus utilizing such a cooling method consists of a vessel that contains a pressurized gaseous cryogen region and a sub-cooled liquid cryogen bath, a liquid cryogen heating coupled with a gaseous cryogen venting scheme to maintain the pressure of the cryogen to a value in a range that corresponds to optimum dielectric strength of the liquid cryogen, and a cooling system that maintains the liquid cryogen at a temperature below its boiling point to improve the performance of HTS materials used in the device.
- Inventors:
- Issue Date:
- Research Org.:
- Superpower, Inc.
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1175237
- Patent Number(s):
- 6854276
- Application Number:
- 10/465,089
- Assignee:
- Superpower, Inc.
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F17 - STORING OR DISTRIBUTING GASES OR LIQUIDS F17C - VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES
F - MECHANICAL ENGINEERING F25 - REFRIGERATION OR COOLING F25D - REFRIGERATORS
- DOE Contract Number:
- FC36-03G013033
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Yuan, Xing, and Mine, Susumu. Method and apparatus of cryogenic cooling for high temperature superconductor devices. United States: N. p., 2005.
Web.
Yuan, Xing, & Mine, Susumu. Method and apparatus of cryogenic cooling for high temperature superconductor devices. United States.
Yuan, Xing, and Mine, Susumu. Tue .
"Method and apparatus of cryogenic cooling for high temperature superconductor devices". United States. https://www.osti.gov/servlets/purl/1175237.
@article{osti_1175237,
title = {Method and apparatus of cryogenic cooling for high temperature superconductor devices},
author = {Yuan, Xing and Mine, Susumu},
abstractNote = {A method and apparatus for providing cryogenic cooling to HTS devices, in particular those that are used in high-voltage electric power applications. The method involves pressurizing liquid cryogen to above one atmospheric pressure to improve its dielectric strength, while sub-cooling the liquid cryogen to below its saturation temperature in order to improve the performance of the HTS components of the device. An apparatus utilizing such a cooling method consists of a vessel that contains a pressurized gaseous cryogen region and a sub-cooled liquid cryogen bath, a liquid cryogen heating coupled with a gaseous cryogen venting scheme to maintain the pressure of the cryogen to a value in a range that corresponds to optimum dielectric strength of the liquid cryogen, and a cooling system that maintains the liquid cryogen at a temperature below its boiling point to improve the performance of HTS materials used in the device.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2005},
month = {2}
}
Works referenced in this record:
Dielectric Loss and Voltage Breakdown in Liquid Nitrogen and Hydrogen
journal, September 1970
- Jefferies, Michaek; Mathes, Kenneth
- IEEE Transactions on Electrical Insulation, Vol. EI-5, Issue 3