GE GEK 106168E manual Settings Group SET KEY, View Settings Protection, Modify Settings Protection

Page 50

8. KEYBOARD AND DISPLAY

8.2. SETTINGS GROUP (SET KEY)

This group allows to see and modify the DBF settings. It is accessed by pressing the SET key when the DBF is in steady state. When the SET key is pressed the following message appears on the screen:

VIEW SETTINGS

PROTECTION

When the UP/DOWN arrows are pressed the message changes to:

MODIFY SETTINGS

PROTECTION

And the last UP/DOWN action gives:

MODIFY COUNTERS

PROTECTION

For the above windows, the menu tree is shown in the following tables. Note that to go down a level in the tree the ENT key must be pressed, and the CLR key to go up

Level 1

Level 2

GENERAL SETTINGS

 

BREAKER SETTINGS

 

ACTIVE

 

TABLE SET

VIEW PROTECTION SETTINGS

OSCILLOS MASK

Level 3

RELAY STATUS IDENTIFICAT FREQUENCY PHASE CT RATIO GROUND CT RATIO

BREAKER NUMBER

KI2t OP. MODE

KI2t INT TIME

KI2t LIMIT

ACTIVE TABLE

PREFAULT CYCLES PICKUP

1st STAGE TRIP

2nd STAGE TRIP

INTERNAL ARC 50BF A TRIP 50BF B TRIP 50BF C TRIP 50BF 3P TRIP EXTERNAL TRIGGER COMM. TRIGGER HI-SET A PICKUP HI-SET B PICKUP HI-SET C PICKUP 50BF A INIT

50BF B INIT

50BF C INIT LO-SET A PICKUP LO-SET B PICKUP LO-SET C PICKUP 3 POLE 50BF INIT NEUTRAL PICKUP ARC A PICKUP ARC B PICKUP ARC C PICKUP

Level 4

In/Out of service

20characters

50– 60 Hz 1-4000 1-4000

4digits

Fixed / Measuring 0.03 - 0.25 s

1– 999999 kA2s

1 –3

0-4

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

ENABLE/DISABLE

GEK-106168E

DBF Breaker Failure Protection

43

Image 50
Contents GE Power Management 3KRQHHVFULSWLRQ0DQXDO*RI.\RXUFRGHTXHVWLRQ Ruvxjjhvwlrqd Page Table of Contents Installation and Maintenance List of Figures Rear View 226B7412 SheetDBF Breaker Failure Protection GEK-106168E ∙ Breaker internal arc detection Monitoring General DescriptionProtection AnalysisDBF Breaker Failure Protection GEK-106168E Overcurrent Units Digital Signal Input # TerminalsProtection Functions Low-Level Overcurrent Breaker Failure Unit 50BF 1PBreaker Failure without current or very low current Reset of Latching RelaysGround Overcurrent Breaker Failure Unit Breaker Arc Detection DeviceMeasurement Internal Protection Status SignalsMonitoring and Recording Functions Associated Breaker StatusGroup Status Comment Optional Exp. Board Optional Exp.Boar Latched#2 Closed Optional Exp. Board Latched#1Closed Internal Communication Status Signals LED Left Column Right Column Circuit Breaker Breaking Capacity MonitoringEvent Recorder Analysis FunctionsBUILT-IN SELF-CHECKING Unit OscillographyEvents to Trigger Oscillography Table Selection Active Table Tables of SettingsControl INPUT-1 INPUT-0Function Configurable Inputs and OutputsTime Synchronization Outputs MAN-MACHINE Interface HMI Remote Communications Breaker Setting Group Active table setting groupInternal Arc Settings Common to all tables Range Default Step Oscillography MaskIndependent for each table Range Default Step 50BF Settings Functions PermittedComments on Settings DBF Breaker Failure Protection GEK-106168E DBF Ranges Models DBF PhaseModel List GroundElectrical Technical CharacteristicsMechanical Test Standard Class CommunicationsStandards DBF Breaker Failure Protection GEK-106168E Electrical Connections Physical DescriptionCase Internal ConstructionDBF Breaker Failure Protection GEK-106168E CPU Board Operating TheoryMagnetic Module Power Supply Keyboard and DisplayPanel Insulation Tests Connections and Necessary EquipmentVisual Inspection Power Supply Relay SettingIndicators Communications IRIG-B Synchronizing Input InputsDigital Inputs Functions 1 50BF 1P Unit Test2 50BF 3P Unit Test Neutral Overcurrent Unit Test Internal ARC Test4 3P no I Function DBF Breaker Failure Protection GEK-106168E Timing Measurement Relay Measurement TestsCurrent Measurement DBF Breaker Failure Protection GEK-106168E CONNECTION-TO-GROUND and Disturbances Suppression InstallationMaintenance DBF Breaker Failure Protection GEK-106168E Keyboard and Display DBF General ElectricINF Menu TreeSET ACTModify Settings Protection Settings Group SET KEYView Settings Protection View Protection SettingsConfirm Setting OUT Range Level Valid RangeInformation Group INF KEY StatusControl Group ACT KEY SET DATE/TIMESingle 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