Electrical transmission or interconnection systems – Plural load circuit systems – Selectively connected or controlled load circuits
Patent
1990-07-19
1992-12-15
Pellinen, A. D.
Electrical transmission or interconnection systems
Plural load circuit systems
Selectively connected or controlled load circuits
307 38, H02J 100
Patent
active
051720086
ABSTRACT:
In a power system having a plurality of power units which are supplied with an external power source and output a power source required for a load, multi-way sequential power-on operation is carried out by enabling two power units, designating as masters beforehand, to be turned on immediately when the external power source is turned on. The master, when turned on, transmits a start signal to two other power units, commanding the addressed power unit to be turned on. The addressed power unit, on receipt of a start signal from any of two other power units, turns on and transmits a start signal to two other power units, and thus propagating start signals on two routes beginning with two masters to sequentially turn on power units by twos at a time.
REFERENCES:
patent: 4092570 (1978-05-01), Nakamoto
patent: 4100426 (1978-07-01), Baranowski et al.
patent: 4695738 (1987-09-01), Wilmot
Fujitsu Ltd.
Krishnan Aditya
Pellinen A. D.
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