Power system configuration and recovery from a power fault condi

Details Power system configuration and recovery from a power fault condi Power system configuration and recovery from a power fault condi

1994-05-09

1996-09-17

Harvey, Jack B.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

395750, 307 66, 307 80, H02J 700, G06F 126

Patent

active

055577385

ABSTRACT:
A power system fault handling mechanism for portable electronic devices having multiple power supplies. A safety-net circuit is triggered when a power fault condition is detected. The safety-net circuit is a diode-based bridging circuit which couples all available power supplies to the power load, yet avoids feeding power back from any of the supplies to one another. This ensures that the load continues to receive power after a fault condition occurs without interruption. A microcontroller may then implement routines to switch to a working power supply so that the device may resume normal operation. The power system fault detection mechanism thus allows for the switching between system power supplies without disrupting a running process.

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