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NA011 - Manual - 05 - 2022
Communication (drivers) ..............................................................................................................................................................................22
MMI (drivers) .................................................................................................................................................................................................22
Data Base (application/drivers) ................................................................................................................................................................. 23
Self-test (application) .................................................................................................................................................................................. 23
Development tools ....................................................................................................................................................................................... 23
4.3 I/O DESCRIPTION ..............................................................................................................................................................................................24
Metering inputs .............................................................................................................................................................................................24
Signal processing ..........................................................................................................................................................................................24
Use of measured values ...............................................................................................................................................................................25
Binary inputs ..................................................................................................................................................................................................26
Output relays ................................................................................................................................................................................................. 28
LED indicators ............................................................................................................................................................................................... 29
Communication interfaces .......................................................................................................................................................................... 30
4.4 PROTECTIVE ELEMENTS .................................................................................................................................................................................31
Phase overcurrent - 50/51 ........................................................................................................................................................................... 33
Residual overcurrent - 50N/51N .................................................................................................................................................................36
Breaker failure - BF ...................................................................................................................................................................................... 39
4.5 CONTROL AND MONITORING ....................................................................................................................................................................... 40
Circuit breaker supervision ........................................................................................................................................................................ 40
Circuit breaker commands ......................................................................................................................................................................... 40
Automatic reclosure - 79 .............................................................................................................................................................................. 41
Test ..................................................................................................................................................................................................................45
Oscillography ................................................................................................................................................................................................45
5 MEASURES, LOGIC STATES AND COUNTERS 46
Measures ........................................................................................................................................................................................................46
Circuit breaker ...............................................................................................................................................................................................46
Binary inputs ..................................................................................................................................................................................................46
Counters ..........................................................................................................................................................................................................46
Fault recording - SFR ....................................................................................................................................................................................46
Event recording - Events ..............................................................................................................................................................................46
Info ...................................................................................................................................................................................................................47
Protections trip ..............................................................................................................................................................................................47
Self-test ........................................................................................................................................................................................................... 47
Oscillography - DFR ......................................................................................................................................................................................47
6 INSTALLATION 49
6.1 PACKAGING ...................................................................................................................................................................................................... 49
6.2 MOUNTING ....................................................................................................................................................................................................... 49
6.3 ELECTRICAL CONNECTIONS ..........................................................................................................................................................................51
6.4 NOMINAL CURRENT I
n
AND I
En
SETTINGS ................................................................................................................................................56
6.5 NOMINAL CURRENT I
n
SETTING FOR LPCT .............................................................................................................................................. 58
6.6 LED ALLOCATION ............................................................................................................................................................................................. 58
6.7 FINAL OPERATIONS ........................................................................................................................................................................................ 58
7 PROGRAMMING AND SETTINGS 59
7.1 SW ThyVisor ..................................................................................................................................................................................................... 59
ThyVisor installation ..................................................................................................................................................................................... 59
ThyVisor use .................................................................................................................................................................................................. 59
7.2 MMI (Man Machine Interface) ..................................................................................................................................................................... 60
Reading variables (READ) ........................................................................................................................................................................... 60
Setting modifying (SET) ............................................................................................................................................................................... 60
Test ................................................................................................................................................................................................................... 61
Communication ..............................................................................................................................................................................................62
Reset ................................................................................................................................................................................................................62
DEFAULT (Option) ..........................................................................................................................................................................................62
Data/time setting (Time) ...............................................................................................................................................................................62
Circuit breaker commands ..........................................................................................................................................................................62
7.3 MENU TREE....................................................................................................................................................................................................... 63
7.4 MAINTENANCE ................................................................................................................................................................................................ 70
7.5 REPAIR ............................................................................................................................................................................................................... 70
7.6 PACKAGING ...................................................................................................................................................................................................... 70
8 APPENDIX 71
8.1 APPENDIX A1 - Inverse time IEC curves .....................................................................................................................................................71
Mathematical formula ..................................................................................................................................................................................71
Phase overcurrent 50/51 - Standard inverse time curve (IEC 60255-3/BS142 type A) ......................................................................72
Phase overcurrent 50/51 - Very inverse time curve (IEC 60255-3/BS142 type B) ............................................................................. 73
Phase overcurrent 50/51 - Extremely inverse time curve (IEC 60255-3/BS142 type C) .....................................................................74
Residual overcurrent 50N/51N - Standard inverse time curve (IEC 60255-3/BS142 type A) ...........................................................75
Residual overcurrent 50N/51N - Very inverse time curve (IEC 60255-3/BS142 type B) ....................................................................76