Superconducting rectifier for the conversion of a relatively low

Details Superconducting rectifier for the conversion of a relatively low Superconducting rectifier for the conversion of a relatively low

1986-06-16

1987-11-24

Salce, Patrick R.

Electric power conversion systems

Current conversion

Cryogenic

363125, 307306, H03K 338

Patent

active

047093145

ABSTRACT:
Superconducting rectifier for the conversion of a relatively low current from an alternating current supply source into a relatively high direct current, essentially consisting of a transformer, at least the secondary coil of which is constructed in semiconducting form, and superconducting switches for the passing of the alternating current induced in the secondary transformer coil through a load, in which the superconducting switches means consist of a commutating part and a blocking part which function independently of each other and are connected in series, and in which the increase in resistance (R) which the commutating part produces upon opening the switching means fulfils the condition ##EQU1## being appreciably lower than the increase in resistance which the blocking part produces upon opening the switches means.

REFERENCES:
patent: 3356924 (1967-12-01), Buchhold
"Control System for a Superconducting Rectifier Using a Microcomputer", ten Kate et al., 9/81, IEEE Transactions on Magnetics, vol. Mag 17, No. 5, pp. 2063-2066.
"A Thermally Switched 9kA Superconducting Rectifier Fluxpump", ten Kate et al., 9/81, IEEE Transactions on Magnetics, vol-Mag 17, No. 5, pp. 2067-2070.
"High Current and High Power Superconducting Rectifiers", ten Kate et al., 5/81, Cryogenics, pp. 291-296.
Cryognics, vol. 21, nr. 5, May 1981, pp. 267-277, IPC Business Press Ltd., Guildford, Surrey, GB; L. J. M. van de Klundert et al.: "On Fully Superconducting Rectifiers and Flux Pumps, A Review. Part 2: Commutation Modes, Characteristics and Switches".

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