Power supply protective circuit

Electric power conversion systems – Current conversion – Including automatic or integral protection means

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Details

363 54, 363 87, 363 24, H02M 118

Patent

active

040743462

ABSTRACT:
In a high current power supply controlled by thyristors mounted in antiparallel in the primary of the power transformers, saturation of the transformers is prevented by a detection circuit responsive to an unbalance in such bilateral switch and protective action is automatically triggered. Display is provided to identify the defective bilateral switch.

REFERENCES:
patent: 3456133 (1969-07-01), Warren
patent: 3697855 (1972-10-01), Kernick et al.
patent: 3829794 (1974-08-01), Gautherin
patent: 3877896 (1975-04-01), Muskovac

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