GE Feeder Management Relay 750 Manuals

Manuals and User Guides for GE Feeder Management Relay 750. We have 1 GE Feeder Management Relay 750 manual available for free PDF download: Instruction Manual

GE Feeder Management Relay 750 Instruction Manual

GE Feeder Management Relay 750 Instruction Manual (346 pages)

Brand: GE | Category: Protection Device | Size: 8.82 MB

Table of Contents

Table of Contents
3
1 Getting Started

9
- Important Procedures
  9
- Using the Relay
  10
  - Menu Navigation
    10
  - Panel Keying Example
    11
  - Changing Setpoints
    11
  - Application Example
    13
  - Commissioning
    16
2 Introduction

17
- Overview
  17
  - Description
    17
  - Theory of Operation
    19
  - Ordering
    21
- Specifications
  22
  - Applicability
    22
  - Inputs
    22
  - Measured Parameters
    23
  - Protection Elements
    23
  - Monitoring Elements
    25
  - Control Elements
    26
  - Outputs
    27
  - Output Relays
    27
  - Cpu
    27
  - Physical
    28
  - Testing
    28
  - Approvals
    28
- Mechanical
  29
  - Drawout Case
    29
  - Installation
    29
  - Unit Withdrawal and Insertion
    31
  - Rear Terminal Layout
    33
- Electrical
  35
  - Typical Wiring
    35
  - Phase Sequence and Transformer Polarity
    36
  - Current Inputs
    36
  - Voltage Inputs
    39
  - Control Power
    40
  - Trip/Close Coil Supervision
    40
  - Logic Inputs
    42
  - Analog Input
    42
  - Analog Outputs
    43
  - RS485 and RS422 Communications
    44
  - RS232 Communications
    46
  - Irig-B
    46
4 User Interfaces

47
- Front Panel Interface
  47
  - Description
    47
  - LED Status Indicators
    48
  - Keypad Operation
    49
  - Messages
    50
- 750/760Pc Software Interface
  53
  - Description
    53
  - Requirements
    53
  - Hardware Configuration
    53
  - Installation/Upgrade
    54
  - Startup and Communications Configuration
    56
  - Using 750/760PC
    57
  - Advanced 750/760PC Features
    61
5 Setpoints

65
- Overview
  65
  - Setpoints Message Map
    65
  - Setpoint Entry Methods
    68
  - Setpoint Access Security
    68
  - Common Setpoints
    68
  - Logic Diagrams
    70
- S1 Relay Setup
  71
  - Passcode
    71
  - Communications
    71
  - Clock
    74
  - Event Recorder
    74
  - Trace Memory
    75
  - Data Logger
    76
  - Front Panel
    77
  - Default Messages
    78
  - User Text Messages
    78
  - Clear Data
    79
  - Installation
    79
- S2 System Setup
  80
  - Current Sensing
    80
  - Bus VT Sensing
    80
  - Line VT Sensing
    81
  - Power System
    81
  - Flexcurves
    82
- S3 Logic Inputs
  83
  - Overview
    83
  - Logic Inputs Setup
    83
  - Breaker Functions
    85
  - Control Functions
    86
  - User Inputs
    86
  - Block Functions
    87
  - Block Overcurrent Functions
    88
  - Transfer Functions
    89
  - Reclose Functions (760 Only)
    90
  - Miscellaneous Functions
    90
- S4 Output Relays
  91
  - Relay Operation
    91
  - Trip Relay
    92
  - Close Relay
    93
  - Auxiliary Relays
    94
  - Self-Test Warning Relay
    95
- S5 Protection
  96
  - Overview
    96
  - Phase Current
    100
  - Neutral Current
    106
  - Ground Current
    111
  - Sensitive Ground Current
    115
  - Negative Sequence
    122
  - Voltage
    127
  - Frequency
    132
  - Breaker Failure
    135
  - Reverse Power (if Enabled)
    136
- S6 Monitoring
  137
  - Current Level
    137
  - Power Factor
    139
  - Fault Locator
    140
  - Demand
    142
  - Analog Input
    147
    
    Analog Outputs
    150
  - Overfrequency
    152
  - Equipment
    153
    
    Pulse Output
    159
- S7 Control
  160
  - Setpoint Groups
    160
  - Synchrocheck
    163
  - Manual Close Blocking
    165
  - Cold Load Pickup Blocking
    167
  - Undervoltage Restoration
    169
  - Underfrequency Restoration
    170
  - Transfer
    171
    
    Autoreclose (760 Only)
    182
- S8 Testing
  193
  - Output Relays
    193
  - Pickup Test
    194
  - Analog Outputs
    194
  - Simulation
    195
    
    Factory Service
    198
6 Actual Values

199
- Overview
  199
  - Actual Values Main Menu
    199
- A1 Status
  203
  - Virtual Inputs
    203
  - Hardware Inputs
    203
  - Last Trip Data
    204
  - Fault Locations
    205
  - Clock
    205
  - Autoreclose (760 Only)
    205
- A2 Metering
  206
  - Metering Conventions
    206
  - Current
    207
  - Synchronizing Voltage
    209
  - Power
    209
  - Energy
    210
  - Analog Input
    212
- A3 Maintenance
  213
  - Trip Counters
    213
  - Arcing Current
    213
- A4 Event Recorder
  214
  - Event Records
    214
- A5 Product Info
  217
  - Technical Support
    217
  - Revision Codes
    217
  - Calibration Dates
    217
7 Communications

219
- Overview
  219
  - Protocols
    219
  - Physical Layer
    219
- Modbus Protocol
  220
  - Description
    220
  - Data Link Layer
    220
  - Algorithm
    221
  - Message Timing
    221
- Modbus Operations
  222
  - Modbus Function Codes
    222
  - Exception Responses
    225
  - Clock Synchronization of Multiple Relays
    226
  - Reading the Event Recorder
    227
  - Reading Trace Memory
    228
  - Reading the Data Logger
    229
  - Accessing Data Via the User Map
    229
  - Memory Map Organization
    230
- Modbus Memory Map
  231
  - Data Formats
    258
- Dnp Communications
  267
  - Device Profile Document
    267
  - DNP Implementation
    269
  - DNP Point Lists
    270
8 Commissioning Tests

277
- Overview
  277
  - Safety Precautions
    277
  - Requirements
    277
  - Conventions
    278
  - Test Equipment
    278
  - Installation Checks
    278
  - Wiring Diagrams
    279
- Inputs/Outputs
  280
  - Logic/Virtual Inputs 1 to 14
    280
  - Virtual Inputs 15 to 20
    284
  - Output Relays
    285
- Metering
  286
  - Current Metering
    286
  - Voltage Metering
    286
  - Power Metering
    288
  - Demand Metering
    289
  - Analog Input Metering
    291
- Protection Schemes
  292
  - Setpoint Groups
    292
  - Phase Overcurrent
    292
  - Neutral Overcurrent
    296
  - Ground Overcurrent
    299
  - Negative-Sequence Overcurrent and Voltage
    300
  - Voltage
    301
  - Frequency
    305
  - Breaker Failure
    307
  - Reverse Power
    308
- Monitoring
  309
  - Current Monitoring
    309
  - Fault Locator
    309
  - Demand Monitoring
    310
  - Analog Inputs
    311
  - Overfrequency Monitoring
    311
  - Power Factor
    312
  - VT Failure
    312
  - Trip Coil Monitor
    313
  - Close Coil Monitor
    313
  - Breaker Operation Failure
    313
  - Arcing Current
    314
  - Analog Output Channels
    314
  - Irig-B
    314
  - Pulse Output
    314

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