Fault tolerant fail-safe link

The present disclosure is directed to a fail-safe link with a branch comprising a plurality of solid state switches of varying periphery sizes connected in series between a power source and a load. A built-in test circuit senses an overvoltage condition across one or more of the switches of varying...

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Bibliographic Details
Main Authors Lurton, N. Evan, Holley, Robert D
Format Patent
LanguageEnglish
French
German
Published 12.08.2020
Subjects
BASIC ELECTRONIC CIRCUITRY
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PULSE TECHNIQUE
TESTING
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Summary:The present disclosure is directed to a fail-safe link with a branch comprising a plurality of solid state switches of varying periphery sizes connected in series between a power source and a load. A built-in test circuit senses an overvoltage condition across one or more of the switches of varying periphery sizes and opens or closes the one or more of the switches of varying periphery sizes in accordance with a measured voltage across at least one solid state switch of the plurality of solid state switches. In an arrangement comprising a plurality of branches, the test circuit is connected with the supply side switches and the load switches of the plurality of branches and provides an indication whether a failure has occurred in the supply side switches or the load side switches.
Bibliography:Application Number: EP20130187535