Abstract
The discovery of superconductivity with Tc > 77 K (liquid nitrogen boiling temperature) is potentially of great importance for large scale electric utility applications such as the transmission and storage of electrical energy. Superconducting magnetic energy storage (SMES) is already a promising technology for electric utility load leveling. Therefore, it is useful to assess SMES with oxide superconductors cooled by inexpensive and plentiful liquid nitrogen (LN2) instead of NbTi cooled by the more expensive liquid helium. Liquid nitrogen cooling will significantly reduce the refrigeration energy requirements, and, especially, would help make small size SMES units more economic. The paper presents the impact of LN2 on efficiency, design and economics of SMES.
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Eyssa, Y.M., Abdelsalam, M.K., Boom, R.W., McIntosh, G.E. (1988). The Potential Impact of Developing High TC Superconductors on Superconductive Magnetic Energy Storage (SMES). In: Fast, R.W. (eds) Advances in Cryogenic Engineering. A Cryogenic Engineering Conference Publication, vol 33. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-9874-5_9
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DOI: https://doi.org/10.1007/978-1-4613-9874-5_9
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