GE GEK 106168E manual Table of Contents

Page 4

TABLE OF CONTENTS

TABLE OF CONTENTS

1.

GENERAL DESCRIPTION AND APPLICATION

........................................................................................... 1

1.1. GENERAL DESCRIPTION

1

2.

OPERATION LOGIC

3

2.1. PROTECTION FUNCTIONS

3

 

2.1.1. Overcurrent units

3

2.2. MONITORING AND RECORDING FUNCTIONS

5

 

2.2.1 Measurement

5

 

2.2.2

Associated Breaker Status

5

 

2.2.3 Target Lamps

5

 

2.2.4

Circuit Breaker Breaking Capacity Monitoring

9

 

2.2.5

Built-in Self-Checking Unit

10

2.3. ANALYSIS FUNCTIONS

10

 

2.3.1 Event Recorder

10

 

2.3.1 Oscillography

10

2.4. CONTROL

12

 

2.4.1

Tables of Settings

12

 

2.4.2 Time Synchronization

13

 

2.4.3

Configurable Inputs and Outputs

13

2.5. MAN-MACHINEINTERFACE (HMI)

15

2.6. REMOTE COMMUNICATIONS

16

3.

SETTINGS

17

4.

TECHNICAL CHARACTERISTICS

21

4.1. MODEL LIST

21

 

4.1.1. Special Models

21

4.2. TECHNICAL CHARACTERISTICS

22

5.

HARDWARE DESCRIPTION

25

5.1. PHYSICAL DESCRIPTION

25

 

5.1.1. Case

25

 

5.1.2. Electrical Connections

25

 

5.1.3. Internal Construction

25

5.2. OPERATING THEORY

27

 

5.2.1. Magnetic Module

27

 

5.2.2. CPU Board

27

 

5.2.3 Power Supply

28

 

5.2.4 Keyboard and Display

28

6.

ACCEPTANCE TESTS

29

6.1. CONNECTIONS AND NECESSARY EQUIPMENT

29

6.2. VISUAL INSPECTION

29

6.3. PANEL INSULATION TESTS

29

6.4. RELAY SETTING

30

6.5. INDICATORS

30

6.6. POWER SUPPLY

30

6.7. COMMUNICATIONS

31

6.8. INPUTS

32

 

6.8.1 Digital inputs

32

 

6.8.2

IRIG-B Synchronizing Input

32

6.9. FUNCTIONS

33

 

6.9.1 50BF 1P Unit Test

33

 

6.9.2 50BF 3P Unit Test

34

 

6.9.3

Internal Arc Test

35

 

6.9.4 3P NO I FUNCTION

35

GEK-106168E

DBF Breaker Failure Protection

i

Image 4
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 General Description Protection∙ Breaker internal arc detection Monitoring AnalysisDBF Breaker Failure Protection GEK-106168E Digital Signal Input # Terminals Protection FunctionsOvercurrent Units Low-Level Overcurrent Breaker Failure Unit 50BF 1PReset of Latching Relays Ground Overcurrent Breaker Failure UnitBreaker Failure without current or very low current Breaker Arc Detection DeviceInternal Protection Status Signals Monitoring and Recording FunctionsMeasurement Associated Breaker StatusGroup Status Comment Optional Exp. Board Closed Optional Exp. Board Latched#1Optional Exp.Boar Latched#2 Closed Internal Communication Status Signals LED Left Column Right Column Circuit Breaker Breaking Capacity MonitoringAnalysis Functions BUILT-IN SELF-CHECKING UnitEvent Recorder OscillographyEvents to Trigger Oscillography Tables of Settings ControlTable Selection Active Table INPUT-1 INPUT-0Time Synchronization Configurable Inputs and OutputsFunction Outputs MAN-MACHINE Interface HMI Remote Communications Breaker Setting Group Active table setting groupCommon to all tables Range Default Step Oscillography Mask Independent for each table Range Default Step 50BF SettingsInternal Arc Settings Functions PermittedComments on Settings DBF Breaker Failure Protection GEK-106168E Ranges Models DBF Phase Model ListDBF GroundMechanical Technical CharacteristicsElectrical Standards CommunicationsTest Standard Class DBF Breaker Failure Protection GEK-106168E Physical Description CaseElectrical Connections Internal ConstructionDBF Breaker Failure Protection GEK-106168E Magnetic Module Operating TheoryCPU Board Power Supply Keyboard and DisplayVisual Inspection Connections and Necessary EquipmentPanel Insulation Tests Indicators Relay SettingPower Supply Communications Digital Inputs InputsIRIG-B Synchronizing Input Functions 1 50BF 1P Unit Test2 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 Keyboard and Display DBF General ElectricMenu Tree SETINF ACTSettings Group SET KEY View Settings ProtectionModify 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