FIELD: electrical engineering. SUBSTANCE: when power supply unit is switched off alternating current mains, it is supplied with direct voltage from redundant power supply. Value of direct voltage is located within minimal and maximal amplitudes of voltage of alternating current mains. EFFECT: increased reliability of equipment operations. 4 cl, 2 dwg
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Authors
Dates
2000-07-20—Published
1997-11-10—Filed