Front View 226B7412 H9 | GE GEK 106168E instruction

FIGURES

FIGURE 3. FRONT VIEW (226B7412 H9)

54

DBF Breaker Failure Protection

GEK-106168E

Image 61

GE GEK 106168E manual Front View 226B7412 H9

Contents

GE Power Management 3KRQHHVFULSWLRQ0DQXDO*RI.\RXUFRGHTXHVWLRQ Ruvxjjhvwlrqd Page Table of Contents Installation and Maintenance Rear View 226B7412 Sheet List of Figures DBF Breaker Failure Protection GEK-106168E Protection General Description∙ Breaker internal arc detection Monitoring Analysis DBF Breaker Failure Protection GEK-106168E Protection Functions Digital Signal Input # TerminalsOvercurrent Units Low-Level Overcurrent Breaker Failure Unit 50BF 1P Ground Overcurrent Breaker Failure Unit Reset of Latching RelaysBreaker Failure without current or very low current Breaker Arc Detection Device Monitoring and Recording Functions Internal Protection Status SignalsMeasurement Associated Breaker Status Group 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 Column BUILT-IN SELF-CHECKING Unit Analysis FunctionsEvent Recorder Oscillography Events to Trigger Oscillography Control Tables of SettingsTable Selection Active Table INPUT-1 INPUT-0 Time Synchronization Configurable Inputs and OutputsFunction Outputs MAN-MACHINE Interface HMI Remote Communications Active table setting group Breaker Setting Group Independent for each table Range Default Step 50BF Settings Common to all tables Range Default Step Oscillography MaskInternal Arc Settings Functions Permitted Comments on Settings DBF Breaker Failure Protection GEK-106168E Model List Ranges Models DBF PhaseDBF Ground Mechanical Technical CharacteristicsElectrical Standards CommunicationsTest Standard Class DBF Breaker Failure Protection GEK-106168E Case Physical DescriptionElectrical Connections Internal Construction DBF Breaker Failure Protection GEK-106168E Magnetic Module Operating TheoryCPU Board Keyboard and Display Power Supply Visual Inspection Connections and Necessary EquipmentPanel Insulation Tests Indicators Relay SettingPower Supply Communications Digital Inputs InputsIRIG-B Synchronizing Input 1 50BF 1P Unit Test Functions 2 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 Display SET Menu TreeINF ACT View Settings Protection Settings Group SET KEYModify Settings Protection View Protection Settings Confirm Level Valid Range Setting OUT Range Status Information Group INF KEY SET DATE/TIME Control Group ACT KEY Single 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