GE GEK 106168E Common to all tables Range Default Step Oscillography Mask, Functions Permitted

Page 25

3. SETTINGS

Common to all tables	Range	Default	Step
	Oscillography Mask
Prefault Cycles	2-10	4	1
Arc Detection	Enable-Disable	Enable
Pickup	Enable-Disable	Enable
1st Stage trip	Enable-Disable	Enable
2nd Stage Trip	Enable-Disable	Enable
50BF A Trip	Enable-Disable	Enable
50BF B Trip	Enable-Disable	Enable
50BF C Trip	Enable-Disable	Enable
50BF 3P Trip	Enable-Disable	Enable
External Trigger	Enable-Disable	Enable
Communications Trigger	Enable-Disable	Enable
Hi-Set A Pickup	Enable-Disable	Enable
Hi-Set B Pickup	Enable-Disable	Enable
Hi-Set C Pickup	Enable-Disable	Enable
50BF A Init.	Enable-Disable	Enable
50BF B Init.	Enable-Disable	Enable
50BF C Init.	Enable-Disable	Enable
Lo-Set A Pickup	Enable-Disable	Enable
Lo-Set B Pickup	Enable-Disable	Enable
Lo-Set C Pickup	Enable-Disable	Enable
3P 50BF Init.	Enable-Disable	Enable
Neutral Pickup	Enable-Disable	Enable
Arc A Pickup	Enable-Disable	Enable
Arc B Pickup	Enable-Disable	Enable
Arc C Pickup	Enable-Disable	Enable

Functions Permitted

50BF 1P function	Permitted-Non-Permitted	Non-Permitted
50 BF 3P Function	Permitted-Non-Permitted	Non-Permitted
3P No I Function	Permitted-Non-Permitted	Non-Permitted

Independent for each table	Range	Default	Step
	50BF Settings
PH Hi-Set Pickup	1-12A	2A	0.01A
PH Lo-Set Pickup	1-12A	1A	0.01A
Neutral Pickup	0.50-6A	1A	0.01A
1 Phase Timer T1	0.05-2s	0.5s	0.01s
3 Phase Timer T2	0.05-2s	1s	0.01s
3P No I Timer T3	0.05-2s	2s	0.01s
BF Logic (3P/2P)	2-Phases/3 Phases	2-Phases
Severe Fault 3P	Permitted-Non-Permitted	Non-Permitted
Low Load 2P	Permitted-Non-Permitted	Non-Permitted
Output Stages number	1-2	1	1
2nd Stage Timer	0.05-2s	2s	0.01s

	Internal Arc Settings
Internal Arc Pickup	0.05-1A	1A	0.01A
Internal Arc Timer	0.10-2s	1s	0.01s

18

DBF Breaker Failure Protection

GEK-106168E

Image 25

Contents GE Power Management 3KRQHHVFULSWLRQ0DQXDO*RI.\RXUFRGHTXHVWLRQ Ruvxjjhvwlrqd Page Table of Contents Installation and Maintenance Rear View 226B7412 Sheet List of FiguresDBF Breaker Failure Protection GEK-106168E Protection General Description∙ Breaker internal arc detection Monitoring AnalysisDBF Breaker Failure Protection GEK-106168E Protection Functions Digital Signal Input # TerminalsOvercurrent Units Low-Level Overcurrent Breaker Failure Unit 50BF 1PGround Overcurrent Breaker Failure Unit Reset of Latching RelaysBreaker Failure without current or very low current Breaker Arc Detection DeviceMonitoring and Recording Functions Internal Protection Status SignalsMeasurement Associated Breaker StatusGroup Status Comment Optional Exp. Board Closed Optional Exp. Board Latched#1Optional Exp.Boar Latched#2 Closed Internal Communication Status Signals Circuit Breaker Breaking Capacity Monitoring LED Left Column Right ColumnBUILT-IN SELF-CHECKING Unit Analysis FunctionsEvent Recorder OscillographyEvents to Trigger Oscillography Control Tables of SettingsTable Selection Active Table INPUT-1 INPUT-0Time Synchronization Configurable Inputs and OutputsFunction Outputs MAN-MACHINE Interface HMI Remote Communications Active table setting group Breaker Setting GroupIndependent for each table Range Default Step 50BF Settings Common to all tables Range Default Step Oscillography MaskInternal Arc Settings Functions PermittedComments on Settings DBF Breaker Failure Protection GEK-106168E Model List Ranges Models DBF PhaseDBF GroundMechanical Technical CharacteristicsElectrical Standards CommunicationsTest Standard Class DBF Breaker Failure Protection GEK-106168E Case Physical DescriptionElectrical Connections Internal ConstructionDBF Breaker Failure Protection GEK-106168E Magnetic Module Operating TheoryCPU Board Keyboard and Display Power SupplyVisual Inspection Connections and Necessary EquipmentPanel Insulation Tests Indicators Relay SettingPower Supply Communications Digital Inputs InputsIRIG-B Synchronizing Input 1 50BF 1P Unit Test Functions2 50BF 3P Unit Test 4 3P no I Function Internal ARC TestNeutral Overcurrent Unit Test DBF Breaker Failure Protection GEK-106168E Current Measurement Relay Measurement TestsTiming Measurement DBF Breaker Failure Protection GEK-106168E Maintenance InstallationCONNECTION-TO-GROUND and Disturbances Suppression DBF Breaker Failure Protection GEK-106168E DBF General Electric Keyboard and DisplaySET Menu TreeINF ACTView Settings Protection Settings Group SET KEYModify Settings Protection View Protection SettingsConfirm Level Valid Range Setting OUT RangeStatus Information Group INF KEYSET DATE/TIME Control Group ACT KEYSingle KEY Menu Configuration Menu DBF Breaker Failure Protection GEK-106168E Figures Breaker Failure Logic 189C4114 Sheet External Connections 189C4114 Sheet Front View 226B7412 H9 Rear View 226B7412H10 Dimensions Diagram 226B6086H10 Panel Drilling 226B6086H10 RS232 Connection DBF Relay to PC