Thytronic SME2-IS

To Next Page

To Previous Page

SME2-IS - Manual - 06- 2021

FUNCTIONAL CHARACTERISTICS

EAC logic

Main Page

Table of Contents2
Preface5
Scope and Responsibilities5
Application5
Compliance5
Technical Support5
Copyright5
Warranty5
Safety Instructions5
Isolation Tests5
Identification5
Ambient Conditions6
Symbols6
Abbreviations/Definitions6
General Information10
Picture10
Main Characteristics10
Technical Characteristics11
General Information11
Protection and Measuring Relay11
Mechanical Characteristics11
Isolation Tests11
Immunity to Voltage Dips11
Electromagnetic Compatibility (EMC)11
Issue12
Mechanical Tests12
Climatic Conditions12
Safety Instructions12
Reference Specifications12
Certifications13
Input Circuits13
Auxiliary Circuit Power U13
Combined Active Sensor Input Circuits13
Combined Passive Sensor Input Circuits13
Capacitive Voltage Divider Input Circuits13
Digital Inputs13
Output Circuits13
Final Relays13
Current Transformer13
MMI14
Communications Circuits14
Local Port14
Remote Connection14
Connection to Remote Control Peripheral14
Basic Programming14
Nominal Values14
Cyclical Input Sequence14
Polarity14
Timers Associated with the Logical Inputs15
Output Relay Timers15
Protection Functions15
Voltage Present - RVL15
Maximum Active Power Directional - 32P15
Phase Sequence Control - 4715
Overcurrent - 50/5115
Residual Overcurrent - 50N/51N16
Ground Directional Overcurrent - 67N16
ALB Frequency (Automatic Load Balancer)16
Second Harmonic Restraint - 2Ndh-REST17
Averaged Values17
THD Monitoring17
Breaker Diagnostics17
Automation Functions18
Hot Line Tag Function18
Automatic Reclosing - 7918
Synchrocheck Relay - 2518
Monitoring and Control Functions19
Oscillograph19
Measurements19
Fault Recording21
Event Recording21
Measurement Logging21
GD Measurement Recording21
Functional Characteristics22
Hardware22
Software23
Basic Software23
Real-Time Operating System23
Processes (Task)23
Drivers23
The Application Software23
Data Base23
Self Test (Application)23
Configuration and Calibration24
Inputs/Outputs25
Measurement Inputs25
Measured Signal Processing26
Measurement Conventions29
LED Signals30
Communications Interfaces30
Protection Functions31
Type Selection31
Nominal Values31
Voltage Present - RVL32
Overcurrent - 50/5132
Residual Overvoltage - 51N34
Ground Directional Overcurrent - 67N35
Directional Detection of Intermittent Ground Arcs37
Maximum Directional Active Power - 32P38
Monitoring and Control Functions40
ALB Frequency (Automatic Load Balancer) Protection40
Second Harmonic Restraint - 2Ndh-REST42
Interface Methods43
Automatic Reclosing (79)45
Hot Line Tag Function47
Synchrocheck - 2548
Automatic Faulty Branch Selection Function53
GD Management Function55
Virtual I/O56
Measurements, Logical States and Counters59
Protection Status60
Timed Inputs60
Automation Functions60
THD Monitoring60
Breaker Monitoring60
Input Function Statuses61
Relays61
Counters61
Protection Diagnostic Status61
Selective Block - BLOCKS62
Virtual Inputs62
Virtual Outputs62
Fault Logging - SFR62
Event Logging - SER63
Measurement Logging63
Dfr63
Cyber Security65
Preface65
Configuration Management65
Hardware Systems and Networking Equipment65
Initial System Configuration65
Threat and Vulnerability Management65
Access Control65
Authentication and Authorization Management65
Auditing65
Network Communication Security66
Cybersecurity Application Scheme66
Access Procedure66
Installation67
Packaging67
Assembly67
Electrical Connections68
Calibration and Start-Up70
Thyvisor Software70
Installing Thyvisor70
MMI (man Machine Interface)70
Reading Variables (READ)71
Setting Modifying (SET)71
Test72
Communication72
CB Open/Close Commands72
Enabling / Locking the Keyboard - Password73
Maintenance75
Repairs75
Storage75
Appendix76
APPENDIX A - IEC Time Dependent Curves76
General Formula76
First Protection Threshold 50/51 - IEC Inverse Time Curves (Type A, NIT)77
First Protection Threshold 50/51 - IEC very Inverse Time Curves (Type B, VIT)78
First Protection Threshold 50/51 - IEC Long Inverse Time Curves (Type LIT)79
First Protection Threshold 50/51 - IEC Extremely Inverse Time Curves (Type C, VIT)80
APPENDIX B - Insertion Diagram81
APPENDIX C - SME2-IS Panel Dimensions82
APPENDIX D - Revisions83
APPENDIX E - CE Declaration of Conformity84

Thytronic SME2-IS - Page 41

Table of Contents

Other manuals for Thytronic SME2-IS