Thytronic NC020

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MEASURES, LOGIC STATES AND COUNTERS

NC020 - Manual - 05 - 2022

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Table of Contents2
Introduction5
Scope and Liability5
Applicability5
Conformity5
Technical Support5
Copyright5
Warranty5
Safety Recommendations5
Insulation Tests5
Product Identification6
Environment6
Graphical Conventions6
Glossary/Definitions6
General10
Preface10
Photo11
Main Features11
Technical Data12
Mechanical Data12
Insulation12
EMC Tests for Interference Immunity12
Voltage Dip and Interruption12
Emission13
Mechanical Tests13
Climatic Tests13
Safety13
Certifications13
Input Circuits14
Auxiliary Power Supply U Aux14
Phase Current Input Circuits14
Unbalance Neutral Current Input Circuit14
Binary Input Circuits14
Output Circuits14
Output Relays14
MMI15
Communication Interfaces15
Local Port15
Remote Port15
General Settings15
Protective Elements15
Discharge Time - TD15
Undercurrent - 3715
Neutral Unbalance Overcurrent - 46N15
Phase Overcurrent - 50/51 RMS16
Phase Overcurrent - 50/51 Fundamental17
Residual Overcurrent - 50N/51N17
Peak Overvoltage - 59H18
Breaker Failure - BF18
Control and Monitoring19
Circuit Breaker Monitoring19
Oscillography (DFR)19
Measures19
Function Characteristics20
Hardware Description20
Power Supply Board20
CPU Board21
Input Board21
MMI (Keyboard, LED and Display)21
Software Description22
Kernel22
Drivers22
Application22
Base Protocol (Kernel)22
Calibration (Kernel)22
Communication (Drivers)22
MMI (Drivers)22
Data Base (Application/Drivers)23
Self-Test (Application)23
Development Tools23
I/O Description24
Metering Inputs24
Signal Processing24
Use of Measured Values26
Binary Inputs27
Output Relays28
LED Indicators29
Communication Interfaces30
Protective Elements31
Rated Values31
Undercurrent - 3732
TD Discharge Time33
Neutral Unbalance Current - 46N34
Phase Overcurrent - 50/51 RMS37
Fundamental Phase Overcurrent - 50/5139
Residual Overcurrent - 50N/51N42
Peak 0Vervoltage - 59H44
Breaker Failure - BF48
Control and Monitoring49
Circuit Breaker Supervision49
Test50
Oscillography50
Measures, Logic States and Counters51
Measures51
Circuit Breaker51
Counters51
Fault Recording - SFR51
Event Recording - Events52
Info52
Protections Trip52
Self-Test52
Oscillography - DFR53
Installation55
Packaging55
Mounting55
Electrical Connections57
NOMINAL CURRENT I N and I en SETTING60
Led Allocation62
Final Operations62
Programming and Settings63
SW Thyvisor63
MMI (man Machine Interface)64
Reading Variables (READ)64
Setting Modifying (SET)64
Test65
Communication66
Reset66
DEFAULT (Option)66
Data/Time Setting (Time)66
Menu Tree67
Maintenance70
Repair70
Packaging70
Appendix71
APPENDIX A1 - Inverse Time IEC Curves71
Mathematical Formula71
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
APPENDIX A2 - Inverse Time ANSI/IEEE Curves75
Mathematical Formula75
Phase Overcurrent 50/51 - Moderately Inverse Time Curve (ANSI/IEEE Type MI)76
Phase Overcurrent 50/51 - very Inverse Time Curve (ANSI/IEEE Type VI)77
Phase Overcurrent 50/51 - Extremely Inverse Time Curve (ANSI/IEEE Type EI)78
APPENDIX A3 - CAPACITOR Curves79
Mathematical Formula79
RMS Phase Overcurrent 50/51 RMS - CAPACITOR Curve80
RMS Phase Overcurrent 50/51 Fundamental - CAPACITOR Curve81
APPENDIX B1 - I/O Diagram82
APPENDIX B2 - Interfaces83
APPENDIX B3 - Connection Diagrams84
APPENDIX C - Dimensions85
APPENDIX D - EC Declaration of Conformity86

Thytronic NC020 - Page 54

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