Thytronic NA10

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APPENDIX

142

NA10 - Manual - 04 - 2022

L1 L2 L3

Trasnformer protection - low voltage side

NA10-SCH5.ai

NA10

BINARY INPUTS

A19

IN1

IN2

A20

A21

A22

CB position

50N/51N

50/5174CT

50BF

Main Page

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
Photo10
Main Features11
Technical Data12
Product Standard for Measuring Relays12
Mechanical Data12
Insulation12
Voltage Dip and Interruption12
EMC Tests for Interference Immunity12
Emission13
Mechanical Tests13
Climatic Tests13
Safety13
Certifications13
Input Circuits14
Auxiliary Power Supply U Aux14
Phase Current Input Circuits14
Residual Current Input Circuit14
Binary Input Circuits14
Block Input (Logic Selectivity)14
Output Circuits14
Output Relays14
Block Output (Logic Selectivity)14
MMI15
Communication Interfaces15
Local Port15
Remote Ports15
General Settings15
Protective Elements15
Thermal Protection with Pt100 Probes - 2615
Phase Overcurrent - 50/5115
Residual Overcurrent - 50N/51N17
Breaker Failure - BF18
Control and Monitoring19
Second Harmonic Restraint - 2Ndh-REST19
Trip Circuit Supervision - 74TCS19
Selective Block - BLOCK219
Circuit Breaker Monitoring19
CT Supervision - 74CT19
Pilot Wire Diagnostic19
Demand Measures19
Oscillography (DFR)20
PLC and PLC2 (Programmable Logic Controller)20
Measures21
Accuracy (Type Tests)21
Function Characteristics22
Hardware Description22
Power Supply Board23
CPU Board23
Input Board23
MMI (Keyboard, LED and Display)23
Software Description24
Base Software24
Real-Time Operating System24
Task24
Drivers25
Application Software25
Data Base25
Self Test (Application)25
Development Tools (Builder)25
I/O Description26
Metering Inputs26
Signal Processing26
Conventions29
Use of Measured Values30
Binary Inputs31
Output Relays36
LED Indicators38
Communication Interfaces40
Protective Elements41
Rated Values41
Thermal Protection with RTD Thermometric Probes - 2643
Phase Overcurrent - 50/5145
Residual Overcurrent - 50N/51N55
Breaker Failure - BF65
Control and Monitoring67
Logical Block - BLOCK167
Selective Block -BLOCK269
Remote Tripping74
Frequency Tracking75
Second Harmonic Restraint - 2Ndh-REST76
Cold Load Pickup - CLP77
CT Supervision - 74CT78
Trip Circuit Supervision - 74TCS79
Circuit Breaker Supervision82
Virtual I/O84
Demand Measures87
Oscillography87
Measures, Logic States and Counters88
Measures88
Protection88
Delayed Inputs88
Internal States88
Relays89
Counters89
Self Test89
Pilot Wire Diagnostic90
Selective Block - BLOCK290
Fault Recording - SFR90
Event Recording - SER90
Oscillography - DFR91
Installation93
Packaging93
Mounting93
Electrical Connections97
NOMINAL CURRENT I N and I en SETTING107
Nominal Current Iand Isetting107
Led Allocation110
Final Operations110
Programming and Settings111
SW Thyvisor111
Thyvisor Installation111
Thyvisor Use111
MMI (man Machine Interface)112
Reading Variables (READ)112
Setting Modifying (SET)112
Test114
Communication114
Circuit Breaker Commands115
Enable / Block Changes Via Keyboard - Password115
Modules Management116
Maintenance117
Repair117
Packaging117
Appendix118
APPENDIX A1 - Inverse Time IEC Curves118
Mathematical Formula118
Phase Overcurrent 50/51 - Standard Inverse Time Curve (IEC 60255-3/BS142 Type A)119
Phase Overcurrent 50/51 - very Inverse Time Curve (IEC 60255-3/BS142 Type B)120
Phase Overcurrent 50/51 - Extremely Inverse Time Curve (IEC 60255-3/BS142 Type C)121
Residual Overcurrent 50N/51N - Standard Inverse Time Curve (IEC 60255-3/BS142 Type A)122
Residual Overcurrent 50N/51N - very Inverse Time Curve (IEC 60255-3/BS142 Type B)123
Residual Overcurrent 50N/51N - Extremely Inverse Time Curve (IEC 60255-3/BS142 Type C)124
APPENDIX A2 - Inverse Time ANSI/IEEE Curves125
Mathematical Formula125
Phase Overcurrent 50/51 - Moderately Inverse Time Curve (ANSI/IEEE Type MI)126
Phase Overcurrent 50/51 - very Inverse Time Curve (ANSI/IEEE Type VI)127
Phase Overcurrent 50/51 - Extremely Inverse Time Curve (ANSI/IEEE Type EI)128
Residual Overcurrent 50N/51N - Moderately Inverse Time Curve (ANSI/IEEE Type MI)129
Residual Overcurrent 50N/51N - very Inverse Time Curve (ANSI/IEEE Type VI)130
Residual Overcurrent 50N/51N - Extremely Inverse Time Curve (ANSI/IEEE Type EI)131
APPENDIX A3 - Inverse Time - RECTIFIER, I T and EM Curves132
Mathematical Formula132
Phase Overcurrent 50/51 - Rectifier Curves133
Phase Overcurrent 50/51 - I T Inverse Curves (I2T=K)134
Phase Overcurrent 50/51 - Electromechanical Inverse Curves (EM)135
Residual Overcurrent 50N/51N - Electromechanical Inverse Curves (EM)136
APPENDIX B1 - I/O Diagram137
APPENDIX B2 - Interfaces138
APPENDIX B3 - Connection Diagrams139
APPENDIX C - Dimensions143
APPENDIX D - Setting Table144
APPENDIX E - EC Declaration of Conformity176

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