Fault tolerant power supply system

Details Fault tolerant power supply system Fault tolerant power supply system

1996-06-11

1998-04-28

Beausoliel, Jr., Robert W.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307 64, 307 65, 395750, 39518212, G06F 1100, H03M 1300

Patent

active

057456704

ABSTRACT:
A fault tolerant power supply system includes a plurality of devices coupled to a common power distribution bus. The devices are arranged and connected in a hierarchical order. The system provides that the devices of higher rank or position in the hierarchy to obtain priority in drawing power from the bus. Each device is coupled to the next adjacent device via a control status line that indicates whether there has been a failure of the power supply of any device higher up in the hierarchy. In the event that the local power supply of a device fails, it can be selectively connected to the power distribution bus to draw power, only if the control status line indicates that there have no failures in the devices having a higher hierarchical rank. Once connected to power distribution bus, if a higher ranking device should experience a power supply failure, the device will be disconnected from the power distribution bus and the higher ranking device connected to the power distribution bus.

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