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Abstract

General criteria for the analysis of thyristor valves used as switching elements in the energy transfer units of fusion experiments are examined in the paper. At first the parameters of the commutation network are singled out as a function of the current derivative at current extinction and of the counter polarization time of the thyristors. Afterwards the effect of the use of saturable reactors is analyzed, and an application to the RFX energy transfer units is drawn. Finally, considerations about the convenient junction working temperature of the thyristors from an economic point of view are given.

Additional information

Authors: MASCHIO A, ISTITUTO GAS IONIZZATI, PADOVA (ITALY);PIOVAN R ISTITUTO GAS IONIZZATI, PADOVA (ITALY), ISTITUTO GAS IONIZZATI, PADOVA (ITALY)
Bibliographic Reference: 14TH SOFT CONFERENCE, AVIGNON (FRANCE), SEPT. 8-12, 1986 VOL. 1, PP. 909-914 1895 P., 1986, VOL. 1 AND VOL. 2, ISBN 0 08 034935 8 WRITE TO PERGAMON PRESS, HEADINGTON HILL HALL, OXFORD, OX3 0BW (UK), PRICE: UKL 220 (FOR BOTH VOLS.)
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