kõikide faaside pinge äkklangus elektrivarustussüteemi konkreetses punktis alla katkestuse määratletud piirnivoo ning sellele järgneva tagastumisega lühikese ajavahemiku jooksul
sudden reduction of the voltage on all phases at a particular point of an elektric supply system below a specified interruption threshold followed by its restoration after a brief interval
Short interruptions are typically associated with switchgear operations related to the occurrence and termination of short circuits on the system or on installations connected to it.