Power supply control system comprising a plurality of power supp

Details Power supply control system comprising a plurality of power supp Power supply control system comprising a plurality of power supp

1993-01-29

1996-09-24

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Connecting or disconnecting

307 18, 307 41, 307 43, H02J 100

Patent

active

055593763

ABSTRACT:
In a power supply control system including first through N-th power supply units for generating first through N-th output voltages, the first through the N-th power supply units producing first through N-th failure signals on occurrence of failure in the first through the N-th power supply units, respectively. A sequence control unit carries out a power on sequence which is for sequentially putting the first through the N-th power supply units into an on state in voltage increasing order of the output voltages and carries out a power off sequence which is for sequentially putting the first through the N-th power supply units into an off state in voltage decreasing order of the output voltages. A failure detection control unit, in response to one of the first through the N-th failure signals, simultaneously puts a specific unit of the first through the N-th power supply units that produces the one of the first through the N-th failure signals and the power supply units having the output voltages which are not lower than that of the specific unit into the off state and subsequently puts the power supply unit having the output voltages which are lower than that of the specific unit into the off state in accordance with the power off sequence.

REFERENCES:
patent: 4663539 (1987-05-01), Sharp et al.
patent: 4674031 (1987-06-01), Siska, Jr.
patent: 4747041 (1988-05-01), Engel et al.

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