NA10 - Manual - 04 - 2022
6.4 NOMINAL CURRENT I
n
AND I
En
SETTING ............................................................................................................................................... 149
6.5 LED ALLOCATION ........................................................................................................................................................................................... 153
6.6 FINAL OPERATIONS ...................................................................................................................................................................................... 153
7 PROGRAMMING AND SETTINGS 154
7.1 SW ThyVisor ....................................................................................................................................................................................................154
ThyVisor installation ....................................................................................................................................................................................154
ThyVisor use .................................................................................................................................................................................................154
7.2 MMI (Man Machine Interface) ....................................................................................................................................................................155
Reading variables (READ) ..........................................................................................................................................................................155
Setting modifying (SET) ..............................................................................................................................................................................155
TEST ...............................................................................................................................................................................................................157
COMMUNICATION ...................................................................................................................................................................................... 157
Circuit breaker commands ....................................................................................................................................................................... 158
Enable / block changes via keyboard - Password ................................................................................................................................ 158
7.3 MODULES MANAGEMENT .......................................................................................................................................................................... 159
7.4 MAINTENANCE .............................................................................................................................................................................................. 160
7.5 REPAIR ............................................................................................................................................................................................................. 160
7.6 PACKAGING .................................................................................................................................................................................................... 160
8 APPENDIX 161
8.1 APPENDIX A1 - Inverse time IEC curves ...................................................................................................................................................161
Mathematical formula ................................................................................................................................................................................161
Phase overcurrent 50/51 - Standard inverse time curve (IEC 60255-3/BS142 type A) ....................................................................162
Phase overcurrent 50/51 - Very inverse time curve (IEC 60255-3/BS142 type B) ........................................................................... 163
Phase overcurrent 50/51 - Extremely inverse time curve (IEC 60255-3/BS142 type C) ...................................................................164
Residual overcurrent 50N/51N - Standard inverse time curve (IEC 60255-3/BS142 type A) .........................................................165
Residual overcurrent 50N/51N - Very inverse time curve (IEC 60255-3/BS142 type B) ..................................................................166
Residual overcurrent 50N/51N - Extremely inverse time curve (IEC 60255-3/BS142 type C) ........................................................167
Ground directional overcurrent 67N - Standard inverse time curve (IEC 60255-3/BS142 type A) ............................................... 168
Ground directional overcurrent 67N - Very inverse time curve (IEC 60255-3/BS142 type B) ....................................................... 169
Ground directional overcurrent 67N - Extremely inverse time curve (IEC 60255-3/BS142 type C) .............................................. 170
8.2 APPENDIX A2 - Inverse time ANSI/IEEE curves .......................................................................................................................................171
Mathematical formula ................................................................................................................................................................................171
Phase overcurrent 50/51 - Moderately inverse time curve (ANSI/IEEE type MI) ............................................................................172
Phase overcurrent 50/51 - Very inverse time curve (ANSI/IEEE type VI) ........................................................................................ 173
Phase overcurrent 50/51 - Extremely inverse time curve (ANSI/IEEE type EI) ................................................................................174
Residual overcurrent 50N/51N - Moderately inverse time curve (ANSI/IEEE type MI) .................................................................175
Residual overcurrent 50N/51N - Very inverse time curve (ANSI/IEEE type VI) ...............................................................................176
Residual overcurrent 50N/51N - Extremely inverse time curve (ANSI/IEEE type EI) ...................................................................... 177
Ground directional overcurrent 67N - Moderately inverse time curve (ANSI/IEEE type MI)....................................................... 178
Ground directional overcurrent 67N - Very inverse time curve (ANSI/IEEE type VI) .................................................................... 179
Ground directional overcurrent 67N - Extremely inverse time curve (ANSI/IEEE type EI) ........................................................... 180
8.3 APPENDIX A3 - Inverse time - RECTIFIER, I
2
t and EM curves ................................................................................................................181
Mathematical formula ................................................................................................................................................................................181
Phase overcurrent 50/51 - Rectifier curves ............................................................................................................................................182
Phase overcurrent 50/51 - I
2
t inverse curves (I2t=K) ........................................................................................................................... 183
Phase overcurrent 50/51 - Electromechanical inverse curves (EM) ..................................................................................................184
Residual overcurrent 50N/51N - Electromechanical inverse curves (EM)........................................................................................185
Ground directional overcurrent 67N - Electromechanical inverse curves (EM) ..............................................................................186
8.4 APPENDIX B1 - I/O Diagram .........................................................................................................................................................................187
8.5 APPENDIX B2 - Interfaces ........................................................................................................................................................................... 188
8.6 APPENDIX B3- Connection diagrams ........................................................................................................................................................ 189
8.7 APPENDIX C - Dimensions ............................................................................................................................................................................192
8.8 APPENDIX D - Setting table ......................................................................................................................................................................... 193
8.9 APPENDIX E - EC Declaration of conformity .............................................................................................................................................. 237
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