DBF Breaker Failure Protection GEK-106168E | GE GEK 106168E specs

6. ACCEPTANCE TESTS

8.Check that after 3P NO I TIMER T3 (2s), the following contacts are closed:

A12-B12 C1-D1

C4-D4 C6-D6

C5-D5 C7-D7

9.If the relay is provided with an expansion board, check that also the following contacts are closed:

E1-F1 E2-F2

E3-F3 E4-F4

E5-F5 E6-F6

36

DBF Breaker Failure Protection

GEK-106168E

Image 43

GE GEK 106168E manual DBF Breaker Failure Protection GEK-106168E

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 Analysis General DescriptionProtection ∙ Breaker internal arc detection Monitoring DBF Breaker Failure Protection GEK-106168E Low-Level Overcurrent Breaker Failure Unit 50BF 1P Digital Signal Input # TerminalsProtection Functions Overcurrent Units Breaker Arc Detection Device Reset of Latching RelaysGround Overcurrent Breaker Failure Unit Breaker Failure without current or very low current Associated Breaker Status Internal Protection Status SignalsMonitoring and Recording Functions Measurement 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 Oscillography Analysis FunctionsBUILT-IN SELF-CHECKING Unit Event Recorder Events to Trigger Oscillography INPUT-1 INPUT-0 Tables of SettingsControl Table Selection Active Table Time Synchronization Configurable Inputs and OutputsFunction Outputs MAN-MACHINE Interface HMI Remote Communications Active table setting group Breaker Setting Group Functions Permitted Common to all tables Range Default Step Oscillography MaskIndependent for each table Range Default Step 50BF Settings Internal Arc Settings Comments on Settings DBF Breaker Failure Protection GEK-106168E Ground Ranges Models DBF PhaseModel List DBF Mechanical Technical CharacteristicsElectrical Standards CommunicationsTest Standard Class DBF Breaker Failure Protection GEK-106168E Internal Construction Physical DescriptionCase Electrical Connections 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 ACT Menu TreeSET INF View Protection Settings Settings Group SET KEYView Settings Protection Modify Settings Protection 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