Installation and Maintenance | GE GEK 106168E manual

TABLE OF CONTENTS

	6.9.5 Neutral Overcurrent Unit Test	35
6.10. RELAY MEASUREMENT TESTS		37
	6.10.1. Current Measurement	37
	6.10.2. Timing Measurement	37
7.	INSTALLATION AND MAINTENANCE	39
7.1. INSTALLATION		39
7.2. CONNECTION-TO-GROUND AND DISTURBANCES SUPPRESSION		39
7.3. MAINTENANCE		39
8.	KEYBOARD AND DISPLAY	41
8.1. MENU TREE		42
8.2. SETTINGS GROUP (SET KEY)		43
8.3. INFORMATION GROUP (INF KEY)		46
8.4. CONTROL GROUP (ACT KEY)		47
8.5. SINGLE KEY MENU		48
8.6. CONFIGURATION MENU		49
FIGURES		51

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DBF Breaker Failure Protection

GEK-106168E

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GE GEK 106168E manual Installation and Maintenance

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 Optional Exp.Boar Latched#2 Closed Optional Exp. Board Latched#1Closed 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 Function Configurable Inputs and OutputsTime Synchronization 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 Electrical Technical CharacteristicsMechanical Test Standard Class CommunicationsStandards DBF Breaker Failure Protection GEK-106168E Case Physical DescriptionElectrical Connections Internal Construction DBF Breaker Failure Protection GEK-106168E CPU Board Operating TheoryMagnetic Module Keyboard and Display Power Supply Panel Insulation Tests Connections and Necessary EquipmentVisual Inspection Power Supply Relay SettingIndicators Communications IRIG-B Synchronizing Input InputsDigital Inputs 1 50BF 1P Unit Test Functions 2 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 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