GE GEK 106168E manual Group Status Comment Optional Exp. Board

Page 13

2. OPERATION LOGIC

Group

Status

Comment

2.7

 

Optional Exp. Board

2.8

Input Nº 7

Digital Input #7 Status

2.9

Input Nº 8

Digital Input #8 Status

2.10

Input Nº 9

Digital Input #9 Status

2.11

Input Nº 10

Digital Input #10 Status

2.12

Input Nº 11

Digital Input #11 Status

2.13

Input Nº 12

Digital Input #12 Status

2.14

Input Nº 13

Digital Input #13 Status

2.15

Input Nº 14

Digital Input #14 Status

3.0

Breaker Failure Logic

BF Logic = 3P

3.1

Hi-Set A Pickup

Output of Hi-Set current detector ph A

3.2

Hi-Set B Pickup

Output of Hi-Set current detector ph B

3.3

Hi-Set C Pickup

Output of Hi-Set current detector ph C

3.4

50BF Pole A Initiate

CC1 Dig. Input ON (default configuration)

3.5

50BF Pole B Initiate

CC2 Dig. Input ON (default configuration)

3.6

50BF Pole C Initiate

CC3 Dig. Input ON (default configuration)

3.7

Lo-Set A Pickup

Output of Lo-Set current detector ph A

3.8

Lo-Set B Pickup

Output of Lo-Set current detector ph B

3-9

Lo-Set C Pickup

Output of Lo-Set current detector ph C

3.10

50BF 3 Phase Initiate

CC7 Dig. Input ON (default configuration)

3.11

50BF Neutral Initiate

Output of Neutral current detector

3.12

Internal Arc A Pickup

Output of AND 16 in figure 1

3.13

Internal Arc B Pickup

Output of AND 17 in figure 1

3.14

Internal Arc C Pickup

Output of AND 18 in figure 1

3.15

 

 

4.0

Pickup

Any BF signal is activated. Output of OR

7 in figure 1

 

 

4.1

Trip 1

Any unit (except Internal Arc) has tripped.

Output of OR 6 in figure 1

 

 

 

 

Same as Trip 1 when 1 step is selected.

4.2

Trip 2

2nd stage when 2 steps are selected.

 

 

Output of AND 14 / 15 in figure 1

4.3

Internal Arc

Trip from Internal Arc unit. Output of

Timer 4 in figure 1

 

 

4.4

 

 

4.5

 

 

4.6

 

 

4.7

 

 

4.8

 

 

4.9

 

 

4.10

 

 

4.11

 

 

4.12

 

 

4.13

 

 

4.14

 

 

4.15

 

 

5.0

Phase A Trip

Output of Timer 1 phase A in figure 1

5.1

Phase B Trip

Output of Timer 1 phase B in figure 1

5.2

Phase C Trip

Output of Timer 1 phase C in figure 1

5.3

Three-Pole Trip with Current

Output of Timer 2 in figure 1

5.4

Three-Pole Trip without Current

Output of Timer 3 in figure 1

5.5

Second Stage Trip

Output of AND 14 / 15 in figure 1

5.6

 

 

5.7

 

 

5.8

 

 

6

DBF Breaker Failure Protection

GEK-106168E

Image 13
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