Development of a 50-60 Hz thermally switched superconducting rectifier

O.A. Chevtchenko, H.H.J. ten Kate, H.J.G. Krooshoop, N.V. Markovsky, G.B.J. Mulder

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A full-wave thermally switched superconducting rectifier, able to operate directly from the mains at the 50-60-Hz frequency, has been developed. Typical design output values of this device are a current of 300 A, a voltage of up to 1 V, an average power of up to 100 VA, and an efficiency better than 95%. The rectification is achieved by means of fast-response switches and an iron core transformer. A simple and reliable algorithm for the rectifier operation, based on the measured current change across the switches, was developed and tested while powering a small magnet. The new features of the rectifier allow for a simplification of the construction and a significant reduction of cost, mass, and volume
Original languageEnglish
Pages (from-to)590-593
Number of pages4
JournalIEEE transactions on applied superconductivity
Issue number1
Publication statusPublished - 1993
Event1992 Applied Superconductivity Conference, ASC 1992 - Chicago, United States
Duration: 23 Aug 199228 Aug 1992


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