Definition: Misoperation

From Open Energy Information



Any failure of a Protection System element to operate within the specified time when a fault or abnormal condition occurs within a zone of protection., Any operation for a fault not within a zone of protection (other than operation as backup protection for a fault in an adjacent zone that is not cleared within a specified time for the protection for that zone)., Any unintentional Protection System operation when no fault or other abnormal condition has occurred unrelated to on-site maintenance and testing activity.[1]

Related Terms
protection System
  1. Glossary of Terms Used in Reliability Standards

AninlineGlossary Definition