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GRL100-503A
Toshiba GRL100-503A Manuals
Manuals and User Guides for Toshiba GRL100-503A. We have
1
Toshiba GRL100-503A manual available for free PDF download: Instruction Manual
Toshiba GRL100-503A 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
Zero-Phase Current Differential Element DIFG
83
Inverse Definite Minimum Time (IDMT) Overcurrent Element OCI and EFI
84
Thermal Overload Element
85
Voltage and Synchronism Check Elements OVL, UVL, OVB, UVB and SYN
86
Current Change Detection Element OCD
87
Communication System
90
Linking to Communication Circuit
91
Setup of Communication Circuit
92
Telecommunication Channel Monitoring
95
Fault Locator
96
Calculation of Distance to Fault
97
Starting Calculation
99
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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