Connection between machines and power source

Details Connection between machines and power source Connection between machines and power source

2008-10-28

2011-11-01

Duncan, Marc (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C307S064000, C713S340000

Reexamination Certificate

active

08051327

ABSTRACT:
Machines may be connected to power distribution units (PDU/STSs) in such a way that if one PDU/STS fails or is taken out of service, the machines' loads are shifted more-or-less evenly to the other PDU/STSs. Several PDU/STSs may be provided for a group of dual-corded machines. The two cords of each machine are connected to a pair of PDU/STSs. Different pairs of PDU/STSs may be used for different machines. In normal operation, each machine may draw part of its power through each of the two cords. If one PDU/STS to which a machine is connected fails or is taken out of service, the entire load on that machine may be shifted to its remaining cord. Since redistribution may be approximately even across PDU/STSs, tolerance for one PDU/STS failure can be implemented with relatively little over-sizing of the PDU/STSs.

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