Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1984-11-20
1986-12-30
Rowland, James L.
Communications: electrical
Condition responsive indicating system
Specific condition
324158D, 324158SC, 363 54, G08B 2100
Patent
active
046332413
ABSTRACT:
An automated SCR cell test exercises each of the twelve SCRs in a dual, 3 phase, full wave SCR rectifier bridge singly to detect shorted SCRs and in pairs to detect open SCRs or faulty gate circuits.
REFERENCES:
patent: 3879652 (1975-04-01), Billings
patent: 4234917 (1980-11-01), Suzuki et al.
patent: 4400657 (1983-08-01), Nola
patent: 4412160 (1983-10-01), Kojima et al.
Casteel Jordan B.
D'Atre John D.
Ritter Allen M.
Wadding Kenneth W.
Beusse J. H.
Freedman I. M.
General Electric Company
Myer Daniel
Rowland James L.
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