Energise or De-Energise to Trip?

“De-energise to trip” is a long established principle because of the danger of common cause failures. Although there is little published on this topic, it is covered in the section “Protection systems (trips and interlocks)” in the HSE Technical Measure Document for COMAH sites, but the quality of U...

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Bibliographic Details
Main Authors: A G Foord, C R Howard
Format: Article
Language:English
Published: SAGE Publishing 2008-11-01
Series:Measurement + Control
Online Access:https://doi.org/10.1177/002029400804100903

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