Toshiba GRL100-301A Manuals

Manuals and User Guides for Toshiba GRL100-301A. We have 1 Toshiba GRL100-301A manual available for free PDF download: Instruction Manual

Toshiba GRL100-301A Instruction Manual

Toshiba GRL100-301A Instruction Manual (392 pages)

Line differential relay

Brand: Toshiba | Category: Relays | Size: 2.8 MB

Table of Contents

Safety Precautions
2
Table of Contents
5
1 Introduction

10
2 Application Notes

13
- Protection Schemes
  14
- Current Differential Protection
  15
  - Zero-Phase Current Differential Protection
    16
  - Fail-Safe Function
    17
  - Remote Differential Trip
    18
  - Transmission Data
    20
  - Charging Current Compensation
    26
  - Blind Zone Protection
    28
  - Application to Three-Terminal Lines
    29
  - Dual Communication Mode
    31
  - Note: for the Symbols Used in the Scheme Logic, See Appendix L.
    33
  - Dif-A
    33
  - Dif-B
    33
  - Dif-C
    33
  - Dif_Block
    33
  - Setting
    33
- Overcurrent Backup Protection
  42
- Transfer Trip Function
  46
- Out-Of-Step Protection
  48
- Thermal Overload Protection
  50
- Breaker Failure Protection
  53
- Tripping Output
  56
- Fault Detector
  59
- Autoreclose
  62
  - Scheme Logic
    64
  - Autoreclose Output Signals
    81
- Characteristics of Measuring Elements
  82
- Communication System
  90
3 Technical Description

103
- Transformer Module
  110
- Signal Processing and Communication Module
  111
- Binary Input and Output Module
  112
- Human Machine Interface (HMI) Module
  117
- Fault Detector Module
  119
- Input and Output Signals
  120
  - Crt_Block
    121
  - Binary Output Signals
    123
- Automatic Supervision
  124
  - CT Circuit Current Monitoring
    125
  - CT Circuit Failure Detection
    126
  - Differential Current (ID) Monitoring
    127
  - Failure Alarms
    128
  - Trip Blocking
    129
- Recording Function
  130
  - Event Recording
    131
  - Disturbance Recording
    132
- Metering Function
  134
  - User Interface
    135
  - Communication Ports
    137
- Operation of the User Interface
  139
  - Relay Menu
    142
  - Displaying Records
    144
  - Displaying the Status
    148
  - Viewing the Settings
    152
  - Changing the Settings
    153
  - Testing
    175
- Personal Computer Interface
  181
- IEC 60870-5-103 Interface
  182
5 Installation

183
- External Connections
  184
6 Commissioning and Maintenance

186
- Cautions
  187
- Preparations
  188
- Hardware Tests
  189
  - Binary Input Circuit
    190
  - Binary Output Circuit
    191
  - AC Input Circuits
    192
- Function Test
  193
  - Timer
    210
  - Protection Scheme
    212
  - Metering and Recording
    213
- Conjunctive Tests
  214
- Maintenance
  217
  - Replacing Failed Modules
    219
  - Dif.fs-A_Tp
    234
  - Dif.fs-B_Tp
    234
  - Dif.fs_Trip
    234
  - Diffs-A_Op
    234
  - Diffs-B_Op
    234
  - Dif.fs-C_Op
    234
  - Difgfs_Op
    234
  - Diffs_Op
    312
  - Dif-C_Fs
    312
  - Difg_Fs
    312

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