GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series Manuals

GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series Manuals

Manuals and User Guides for GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series. We have 1 GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series manual available for free PDF download: Instruction Manual

GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series Instruction Manual

GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series Instruction Manual (142 pages)

Brand: GE | Category: Relays | Size: 3.7 MB

Table of Contents

Table of Contents

2
- Introduction
  
  4
- Installation
  
  10
- Figure 2.2C Ground CT (50:0.025) 8” Window
  
  14
- Figure 2.2B Ground CT (50:0.025) 3” and 5” Window
  
  14
- 3 Setup and Use
  
  41
  - Controls and Indicators
    41
  - Table 3-1 Controls and Indicators
    41
  - SETUP and USE 3.1 Controls and Indicators
    41
  - Relay Display Modes
    45
  - ACTUAL VALUES Mode
    45
  - Table 3-2 ACTUAL VALUES
    46
  - Starts/Hour Timer
    55
  - Time between Starts Timer
    55
  - Cause of Last Trip
    55
  - Cause of Last Event
    55
  - SETPOINTS Mode
    55
  - Table 3-3 SETPOINTS
    57
  - HELP Mode
    80
  - TRIP/ALARM Mode
    80
  - Table 3-4 TRIP/ALARM Messages and Fault Diagnosis
    81
  - Phase CT and Motor Full Load Current Setpoints
    83
  - Acceleration Time Setpoint
    83
  - Inhibits
    83
  - Unbalance Setpoints
    84
  - Ground Fault (Earth Leakage) Setpoints
    85
  - Figure 3.2 Wiring Diagram for Contactors
    86
  - Figure 3.3 Wiring Diagram for Breakers
    87
  - Undercurrent Setpoints
    88
  - Rapid Trip / Mechanical Jam Setpoints
    88
  - Short Circuit Setpoints
    89
  - Immediate Overload Alarm Level Setpoint
    89
  - Stator RTD Setpoints
    89
  - Other RTD Setpoints
    90
  - Overload Curve Setpoints
    90
  - Figure 3.4 Standard Overload Curves with Overload Pickup
    90
  - Table 3-5 Standard Overload Curve Trip Times (in Seconds)
    92
  - Figure 3.5 Standard Overload Curves
    93
  - Thermal Capacity Alarm
    94
  - Thermal Memory
    94
  - Figure 3.6 Hot Motor Thermal Capacity Reduction
    94
  - Emergency Restart
    95
  - Resetting the 269 Relay
    96
  - Relay Self-Test
    96
  - Statistical Data Features
    97
  - Factory Setpoints
    97
  - Meter Option
    97
  - Figure 3.7 Power Measurement Conventions
    98
  - Table 3-6 Preset Factory Relay Configurations and Functions
    100
- Testing
  
  101
  - Primary Injection Testing
    101
  - Secondary Injection Testing
    101
  - Phase Current Input Functions
    101
- Figure 3.8
  
  102
- Theory of Operation
  
  107
  - Hardware
    107
  - Firmware
    107
  - Figure 5.1 Hardware Block Diagram
    108
  - Figure 5.2 Firmware Block Diagram
    110
- Application Examples
  
  111
- Appendix A
  
  113
- Appendix A Unbalance Example
  
  113
- APPENDIX B 269 Thermal Model
  
  115
  - RTD Bias Feature
    116
- APPENDIX C 269 RTD Circuitry
  
  117
- APPENDIX D 2Φ CT Configuration
  
  120
- Appendix E
  
  121
  - Asymmetrical Starting Current
    121
- Appendix F
  
  122
  - Do's and Don'ts Checklist
    122
- Appendix G
  
  123
  - Ground Fault and Short Circuit Instantaneous Elements
    123
- Appendix H
  
  124
  - 269 CT Withstand
    124
  - CT Size and Saturation
    124
- Appendix I
  
  127
  - Commissioning Summary
    127
List of Figures

136

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