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SEL-411L Relay Date Code 20151029
Table of Contents
Directional Comparison Blocking Scheme .............................................................................................. P.3.221
Permissive Overreaching Transfer Tripping Scheme............................................................................... P.3.2 24
Directional Comparison Unblocking Scheme Logic................................................................................ P.3.232
Trip Logic................................................................................................................................................. P.3.237
Circuit Breaker Failure Protection............................................................................................................ P.3.247
Over/Underfrequency Elements ............................................................................................................... P.3.257
Undervoltage Supervision Logic.............................................................................................................. P.3.258
87L Communication and Timing ............................................................................................................. P.3.261
Configuration, Monitoring, Alarming, and Logic for 87L Channels....................................................... P.3.279
87L Enable and Blocking Logic............................................................................................................... P.3.280
87L Active and Required Channel Logic................................................................................................. P.3.282
87L Channel Synchronization Logic and Status ...................................................................................... P.3.284
87L Channel Monitoring and Alarming Logic......................................................................................... P.3.291
87L Standby Channel Switchover Logic.................................................................................................. P.3.297
87L Time Fallback Logic ......................................................................................................................... P.3.300
87L Master, Outstation, and Loss of Protection Logic............................................................................. P.3.306
87L Communications Report ................................................................................................................... P.3.308
87L Channel Recorder.............................................................................................................................. P.3.313
Protection Application Examples............................................................................................................. P.3.315
Section 4: Autoreclosing and Synchronism-Check
Autoreclosing ............................................................................................................................................... P.4.2
One-Circuit-Breaker Autoreclosing ............................................................................................................. P.4.4
Two-Circuit-Breaker Autoreclosing........................................................................................................... P.4.10
Autoreclose Logic Diagrams...................................................................................................................... P.4.27
Manual Closing .......................................................................................................................................... P.4.40
Voltage Checks for Autoreclosing and Manual Closing ............................................................................ P. 4.43
Settings and Relay Word Bits for Autoreclosing and Manual Closing...................................................... P.4.45
Synchronism Check.................................................................................................................................... P.4.49
Section 5: Settings
Overview ...................................................................................................................................................... P.5.1
Alias Settings................................................................................................................................................ P.5.2
Global Settings ............................................................................................................................................. P.5.4
Protection Free-Form SEL
OGIC Control Equations ..................................................................................... P.5.9
Automation Free-Form SEL
OGIC Control Equations................................................................................... P.5.9
Notes Settings............................................................................................................................................. P.5.10
Output Settings........................................................................................................................................... P.5.10
Front-Panel Settings ................................................................................................................................... P.5.11
Port Settings................................................................................................................................................ P.5.18
DNP3 Settings—Custom Maps.................................................................................................................. P.5.25
Bay Settings................................................................................................................................................ P.5.26
Section 6: PC Software
Overview ...................................................................................................................................................... P.6.1
ACSELERATOR QuickSet Setup.................................................................................................................... P.6.3
ACSELERATOR QuickSet Terminal .............................................................................................................. P.6.5
ACSELERATOR QuickSet HMI..................................................................................................................... P.6.6
ACSELERATOR QuickSet Settings................................................................................................................ P.6.9
ACSELERATOR QuickSet Event Analysis................................................................................................... P.6.15
ACSELERATOR QuickSet Settings Database Management ........................................................................ P.6.20
ACSELERATOR QuickSet Help................................................................................................................... P.6.21
Section 7: Front-Panel Operations
Front-Panel Layout....................................................................................................................................... P.7.1
Front-Panel Menus and Screens................................................................................................................. P.7.12
Front-Panel Automatic Messages............................................................................................................... P.7.35
Operation and Target LEDs........................................................................................................................ P.7.36
Front-Panel Operator Control Pushbuttons ................................................................................................ P.7.41