Catalog excerpts
Quick Start Guide Trip Lockout Overcurrent profection Earth-fault protection Voltage protection Frequency protection Breaker failure profection
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Accessing main menu and local authorization Press to navigate between main menu, measurements and multiple single-line diagram pages. Display header area The icon area at the upper right corner of the dislay shows the current action or user level. These are described below: If the local authorization has been enabled you must login before entering the menu. To login press and select user level with or . Confirm the selection with . Enter the password one digit at the time using or and moving to next digit with or . Confirm the password with or cancel using . To logout press again. S =...
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Most common function blocks The most common function blocks are listed below, please refer to the 620 series Technical Manual for the full list. The available function blocks varies depending on the selected IED and configuration used. Three-phase non-directional overcurrent protection, low stage Three-phase non-directional overcurrent protection, high stage Three-phase non-directional overcurrent protection, instantaneous stage Three-phase directional overcurrent protection, low stage Three-phase directional overcurrent protection, high stage Non-directional earth fault protection, low...
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Three-phase current measurement Sequence current measurement Residual current measurement Three-phase voltage measurement Residual voltage measurement Sequence voltage measurement Three-phase power and energy measurement Load profile Frequency measurement Circuit-breaker control Disconnector control Earthing switch control Disconnector position indication Earthing switch position indication Synchronism and energizing check Emergency start-up Tap charger position indication Tap charger control with voltage regulator Disturbance recorder Fault recorder Sequence event recorder Logging...
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