Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Patent
1991-08-30
1994-02-22
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Superconductive type
310 52, H01F 100
Patent
active
052891500
ABSTRACT:
Magnetic energy is stored in trapped form in a wide variety of superconducting masses such as granules, particulates, foil, and thin film to be released as electrical energy by magnetically coupling to a normal coil as the trapped field is caused to decay. This trapped-field energy storage (TES) has many advantages over other superconducting energy storage schemes including elevated temperature operation, lowered refrigeration capital and operating costs, lowered costs of cryogen, lowered thermal conduction losses, lowered cost of thermal insulation, capability of operating in modular form, and transportability of the trapped magnetic energy.
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Rabinowitz, et al., "An Investigation of the Very Incomplete Meissner Effect", Lettere Al Nuovo Cimento, (Mar. 1973), vol. 7, No. 1, pp. 1-4.
Rabinowitz, Mario, "Multipole Magnetic Field Trapping by Superconductors", IEEE Transactions on Magnetics, (Mar. '75) vol. MAG-11, No. 2, pp. 548-550.
Rabinowitz, et al, "Dependence of maximum trappable field on superconducting Nb3Sn cylinder wall thickness", Applied Physics Letters, (Jun. '77), vol. 30, No. 1, pp. 607-609.
Author Unknown, "Superconducting Magnetic Energy Storage (SMES) Engineering Test Model (ETM)", publication unknown, pp. 1-6.
Donovan Lincoln
Electric Power Research Institute
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