HT-SMES operating at liquid nitrogen temperatures for electric power quality improvement demonstrating

We have developed and tested a laboratory scale High-T/sub C/ Superconducting Magnetic Energy Storage (HT-SMES) system with storage capacity of up to 1.2 kJ. It was designed to improve the power quality for a consumer supplied by 3-phase standard commercial electric power grid at a consumer power of...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2003-06, Vol.13 (2), p.1875-1878
Main Authors: Friedman, A., Shaked, N., Perel, E., Gartzman, F., Sinvani, M., Wolfus, Y., Kottick, D., Furman, J., Yeshurun, Y.
Format: Article
Language:English
Subjects:
Applied sciences
Compensation
Direct energy conversion and energy accumulation
Electric potential
Electric power generation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electronics
Energy accumulation
Energy storage
Exact sciences and technology
Ferromagnetism
Laboratories
Liquid nitrogen
MOSFETs
Nitrogen
Power conditioning
Power electronics, power supplies
Power quality
Power systems
Samarium
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Superconducting coils
Superconducting devices
Superconducting magnetic energy storage
Superconductivity
System testing
Temperature
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Summary:We have developed and tested a laboratory scale High-T/sub C/ Superconducting Magnetic Energy Storage (HT-SMES) system with storage capacity of up to 1.2 kJ. It was designed to improve the power quality for a consumer supplied by 3-phase standard commercial electric power grid at a consumer power of up to 20 kW. This SMES is based on a high-T/sub C/ superconducting coil with a ferromagnetic core, immersed in liquid nitrogen at 65 K to provide efficient thermal contact with the coolant. We also developed a cryogenic DC-DC converter based on low resistance power MOSFET transistors, providing low losses in the stored energy and high operational efficiency. The power conditioning capability of our HT-SMES was proved, and compensation of voltage drops in the electric grid was successfully demonstrated.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2003.812935