Table Of Contents - Toshiba GRE110 Instruction Manual

Table of Contents

Safety Precautions2
Explanation Of Symbols Used2
Table Of Contents4
Introduction7
Series Members And Functions8
Application Notes9
Phase Overcurrent And Residual Overcurrent Protection9
Inverse Time Overcurrent Protection9
Time-Distance Characteristics Of Inverse Time Protection9
Programmable Reset Characteristics10
Idmt Characteristics10
Definite Time Reset11
Dependent Time Reset11
Definite Time Overcurrent Protection12
Specification Of Idmt Curves12
Dependent Time Reset Characteristics12
Scheme Logic13
Phase Fault Overcurrent Protection Oc114
Earth Fault Overcurrent Protection Ef114
Settings15
Settings For Inverse Time Overcurrent Protection16
Current Setting16
Time Setting16
Current Settings In Radial Feeder16
Instantaneous And Staged Definite Time Overcurrent Protection17
Selective Instantaneous Overcurrent Protection17
Staged Definite Time Overcurrent Protection18
Operate Time18
Conjunction Of Inverse And Instantaneous Overcurrent Protection18
Feeder Protection Coordinated With Fuses18
Staged Definite Time Protection19
Phase Overcurrent Protection Oc219
Phase Overcurrent Protection Oc3/Oc420
Earth Fault Protection Ef220
Setting21
Earth Fault Protection Ef3/Ef421
Ct Wiring And Setting Of Earth Fault Detection23
Ct Wiring Of 2 Phase Ct23
Earth Fault Current Detection Wiring23
2 Phase Ct Wiring23
Sensitive Earth Fault Protection24
Standby Earth Fault Protection24
Restricted Earth Fault Protection24
High Impedance Ref25
Inverse Time Or Definite Time Sef Protection Sef1/Sef226
Definite Time Sef Scheme Logic27
Sef28
Maximum Voltage Under Through Fault Condition29
Diretctional Sensitive Earth Fault Protection (At Model 820 And 821)30
Directional Operate Sef Characteristic31
Directional Element31
Relationship Polarising Signal31
Sef1/Sef2 Sensitive Earth Fault Protection Scheme Logic For Models 820 And 82132
Sef3/Sef4 Sensitive Earth Fault Protection Scheme Logic For Models 820 And 82133
Phase Undercurrent Protection35
Undercurrent Protection Scheme Logic35
Thermal Overload Protection37
Thermal Curves38
Thermal Overload Protection Scheme Logic38
Negative Sequence Overcurrent Protection39
Negative Sequence Overcurrent Protection Scheme Logic40
Broken Conductor Protection41
Equivalent Circuit For A Single-Phase Series Fault41
Bcd Element Characteristic42
Broken Conductor Protection Scheme Logic43
Breaker Failure Protection44
Breaker Failure Protection Scheme Logic45
Sequence Diagram45
Countermeasures For Magnetising Inrush47
Inrush Current Detector47
Icd Element Characteristic47
Icd Block Scheme47
Cold Load Protection48
State Transition Diagram For Cold Load Protection49
Scheme Logic For Cold Load Protection49
Trip Signal Output50
Tripping Output For Local Circuit Breaker51
Application Of Protection Inhibits52
Blocked Overcurrent Protection52
Tripping Output For Adjacent Circuit Breakers52
Blocked Busbar Protection53
Ct Requirements54
Phase Fault And Earth Fault Protection54
Minimum Knee Point Voltage55
Autoreclose56
Multi-Shot Autoreclose56
Autoreclose Scheme Logic57
Autoreclose Initiation58
Autoreclose Shot Output (Arc-Shot)58
Plc Default Setting58
Autoreclose Success Judgement (Arc-Success)59
Final Trip Judgement (Arc-Ft)59
Reset59
Autoreclosing Requirement59
Manual Close Function60
Manual Input Function60
Technical Description63
Hardware Description63
Outline Of Front Panel63
Front Panel (Model 400 / 420 / 401 / 421 / 820 / 821 )64
Input And Output Signals65
Ac Input Signals65
Binary Input Signals65
Function Selection67
Logic Level Inversion67
Function Scheme Logic67
Function Of Binary Input Signals68
Binary Output Signals69
Configurable Output69
Automatic Supervision70
Plc (Programmable Logic Controller) Function70
Basic Concept Of Supervision70
Relay Monitoring71
Ac Input Imbalance Monitoring71
Memory Monitoring71
Watchdog Timer71
Trip Circuit Supervision72
Trip Circuit Supervision By 1 Binary Input72
Supervision Scheme Logic72
Circuit Breaker State Monitoring73
Trip Circuit Supervision By 2 Binary Inputs73
Cb State Monitoring Scheme Logic73
Failure Alarms74
Circuit Breaker Condition Monitoring74
Binary Input Setting For Cb Condition Monitoring74
Trip Blocking75
Supervision Items And Alarms75
Recording Function76
Fault Recording76
Date And Time Occurrence76
Trip Mode76
Event Recording77
Faulted Phase77
Power System Quantities77
Displayed Power System Quantities77
Post Fault Recording Time And Number Of Disturbance Records Stored78
Metering Function79
Control Function79
User Interface80
Outline Of User Interface80
Front Panel80
Lcd80
Operation Keys81
Communication Ports82
Usb Port82
Rs485 Port82
Optional Fibre Or Ethernet Lan Port For Model 402A And 422A82
Operation Of The User Interface83
Lcd And Led Displays83
Displays During Normal Operation83
Indication83
Displays In Tripping84
Displays In Automatic Supervision Operation84
Latest Fault84
Auto-Supervision84
Relay Menu85
Alarm Display85
Displaying Records88
Displaying Fault Records88
Displaying Event Records90
Displaying Disturbance Records92
Displaying The Status95
Displaying Metering Data95
Displaying The Status Of Binary Inputs And Outputs97
Displaying The Status Of Measuring Elements97
Displaying The Status Of The Time Synchronisation Source98
Clock Adjustment99
Lcd Contrast99
Viewing The Settings100
Direction100
Relay Version100
Changing The Settings102
Setting Method102
To Enter Numerical Values104
To Complete The Setting104
Password105
Password Trap105
Plant Name106
Canceling Or Changing The Password106
If You Forget The Password106
Communication107
Settings For Iec60870-5-103 Communication109
Settings For Iec61850 Communication109
Setting For Modbus Communication109
Setting The Recording112
Setting The Event Recording112
Setting The Counter114
Status115
Setting The Metering115
Setting The Time Synchronisation115
Protection116
Setting The Time Zone116
Changing The Active Group116
Setting The Common117
Setting The Group117
Setting The Parameter117
Setting The Trip Function118
Setting The Scheme Switch118
Setting The Application118
Setting The Pf Protection119
Setting The Sef Protection123
Setting The Misc. Protection125
Setting The Protection Elements127
Setting The Ef Protection128
Setting The Autoreclose Function131
Setting The The Arc General Function131
Setting The Oc, Ef, Sef Elements For Arc132
Setting The Arc Misc. Elements133
Setting Arc Element134
Binary Input135
Setting Group Copy135
Setting Binary Input Status135
Selection Of Binary Input136
Setting Timers137
Setting Functions137
Binary Output139
Selection Of Output Relay140
Setting The Logic Gate Type And Timer140
Leds141
Assigning Signals141
Selection Of Leds141
Selection Of Real Leds141
Setting The Leds Color143
Selection Of Virtual Leds143
Setting The Reset Timing144
Control145
Frequency145
Local/Remote Control146
Cb Close/Open Control146
Testing148
Scheme Switch148
Binary Output Relay149
Personal Computer Interface151
Modbus Interface151
Iec 60870-5-103 Interface151
Iec 61850 Communication151
Clock Function152
Special Mode153
Lcd Contrast Adjustment Mode153
Lcd And Led Check Mode153
Installation154
Receipt Of Relays154
Relay Mounting154
Flush Mounting154
Flush Mounting The Case Into A Panel Cut-Out155
Dimensions156
Power Supply156
Side View Of Gre110 With The Mounting Attachment Kit Positions156
Rear View Of Gre110 With Tighten The Screw Of The Mounting Attachment Kits156
Analogue Inputs157
Binary Inputs157
Binary Outputs (Output Relays)157
Electrostatic Discharge158
Handling Precautions158
External Connections158
Optinal Case Model S1-Gre110, S3-Gre110158
Commissioning And Maintenance159
Outline Of Commissioning Tests159
Cautions159
Hardware Tests159
Preparations160
Cautions On Tests160
Test Equipment160
Relay Settings160
User Interfaces161
Binary Input Circuit161
Testing Binary Input Circuit161
Binary Output Circuit162
Function Test163
Ac Input Circuits163
Measuring Element163
Testing Ac Input Circuit163
Assigning Signal To Binary Output Relay165
Overcurrent And Undercurrent Element Oc1 To Oc4, Uc1, Uc2 And Cbf166
Operating Current Check167
Operating Current Value Test Circuit167
Operating Time Check For Idmt Curve168
Testing Idmt168
Earth Fault Element Ef1 To Ef4 And Sef1 To Sef4169
Test Circuit For Ef And Sef Elements169
Thermal Overload Element Thma And Thmt170
Testing Idmt For Ef And Sef Elements170
Negative Sequence Overcurrent Element Nps1 And Nps2171
Testing Nps Elements171
Broken Conductor Detection Element Bcd172
Testing Bcd Element172
Conjunctive Tests173
Protection Scheme173
Metering And Recording173
On Load Test173
Tripping Circuit Test174
Tripping Circuit174
Maintenance175
Regular Testing175
Failure Tracing And Repair175
Replacing Failed Relay176
Lcd Message And Alarm Location176
Storage177
Resumption Of Service177
Putting Relay Into Service178
Appendix A179
Implementation Of Thermal Model To Iec60255-149181
Appendix B183
Signal List184
Appendix C191
Event Record Items192
Appendix D196
Binary Output Default Setting List197
Appendix E199
Relay Menu Tree200
Appendix F210
Case Outline For Model 400,401,420, 421, 820 And 821211
Case Outline For Model 402 And 422212
Appendix G213
Typical External Connection Of Gre110 - 400A214
Typical External Connection Of Gre110 – 401A215
Typical External Connection Of Gre110 – 420A216
Typical External Connection Of Gre110 – 421A217
Typical External Connection Of Gre110 – 402A218
Typical External Connection Of Gre110 – 422A219
Typical External Connection Of Gre110 – 821A220
Typical External Connection Of Gre110 – 401A 2Ct Application221
Typical External Connection Of Gre110 – 420A 2Ct Application222
Relay Setting Sheet Contents223
Appendix H223
Relay Setting Sheet225
Commissioning Test Sheet Contents241
Appendix I241
Appendix J245
Return/Repair Form246
Reason For Returning The Relay246
Appendix K250
Technical Data251
Environmental Performance254
Symbols Used In The Scheme Logic257
Signal Names257
And Gates257
Or Gates257
Signal Inversion258
Timer258
One-Shot Timer258
Flip-Flop258
Modbus: Interoperability260
Physical And Data Link Layer260
Application Layer260
Modbus Address Map Group262
Modbus Address Map262
Time Synchronization262
Modbus Address For Setting Values270
Activate Characteristic272
Setting Group272
Current L1 Ia 1,2 Or273
Current L2 Ib 1,2 Or273
Current L3 Ic 1,2 Or273
Cb Remote Control286
Pass Word Authentication287
Enable Flag Setting For Remote Control287
Remote Control287
Iec60870-5-103: Interoperability290
Physical Layer290
Iec60870-5-103 Interface290
Electrical Interface: Eia Rs-485290
List Of Information291
On/Off291
Generic Functions293
Read Directory Of A Single Entry293
Inverse Time Characteristics299
Normal Inverse299
Very Inverse299
Extremely Inverse300
Long Time Inverse300
Moderately Inverse301
Co8 Inverse303
Co2 Short Time Inverse303
Iec61850 Interoperability305
Iec61850 Documentation305
Common Data Classes In Iec61850-7-3307
Logical Nodes For Gre110325
Iec61850 Acsi Conformance Statement For Gre Series Ied326
Pics For A-Profile Support330
Pics For T-Profile Support330
Pixit For Association Model331
Pixit For Server Model332
Pixit For Data Set Model333
Pixit For Substitution Model333
Pixit For Setting Group Control Model333
Pixit For Reporting Model334
Pixit For Logging Model335
Pixit For Generic Substation Events Model335
Pixit For Control Model338
Pixit For Time And Time Synchonisation Model340
Pixit For File Transfer Model341
Iec61850 Tissues Conformance Statement (Tics) Of The Iec61850 Communication Interface Gre Series Ied342
Optional Intop Tissues344
Other Implemented Tissues344
Ordering347
Overcurrent Relay347
Version-Up Records348