SCR d.c. interrupter

Details SCR d.c. interrupter SCR d.c. interrupter

1976-06-21

1978-01-10

Shoop, William M.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

318139, 363135, H02M 3315

Patent

active

040682935

ABSTRACT:
A semi-conductor controlled rectifier (SCR) d.c. interrupter in which any (optional) number m of identical, self-contained and parallel connected phases each form an identical series connection of a semi-conductor controlled retifier (Th.sub.1) . . . (TH.sub.m) and a diodes (D.sub.1 . . . (D.sub.m). An m number of identical, self-contained resonant arms are arranged in star or Y-connection, with any of the arms having an identical series connection of a capacitor (C.sub.1) . . . (C.sub.m) and a reactor (L.sub.1) . . . (L.sub.m) respectively. The star vertices are connected between the cathodes of the semi-conductor controlled rectifiers (Th.sub.1) . . . (Th.sub.m) and the anodes of the diodes (D.sub.1) . . . (D.sub.m). The star neutral is associated with the d.c. power source (BA) positive or negative pole.

REFERENCES:
patent: 3648151 (1972-03-01), Gurwicz
patent: 3683258 (1972-08-01), Harbonn
patent: 3735220 (1973-05-01), Renner et al.
patent: 3815001 (1974-06-01), Jamieson
patent: 3837419 (1974-09-01), Nakamura
patent: 3855520 (1974-12-01), Stich
patent: 3872362 (1975-03-01), Lecoeuche et al.

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