Thytronic SME2-IS User Manual

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SME2-IS - Manual - 06 - 2021
SUMMARYSUMMARY
1 PREFACE 5
Scope and responsibilities ............................................................................................................................................................................5
Application........................................................................................................................................................................................................5
Compliance .......................................................................................................................................................................................................5
Technical Support............................................................................................................................................................................................5
Copyright ...........................................................................................................................................................................................................5
Warranty ...........................................................................................................................................................................................................5
Safety instructions ..........................................................................................................................................................................................5
Isolation tests ...................................................................................................................................................................................................5
Identification ....................................................................................................................................................................................................5
Ambient conditions .........................................................................................................................................................................................6
Symbols .............................................................................................................................................................................................................6
Abbreviations/definitions ...............................................................................................................................................................................6
2 GENERAL INFORMATION 10
Preface ........................................................................................................................................................................................................... 10
Picture ............................................................................................................................................................................................................ 10
Main Characteristics ................................................................................................................................................................................... 10
3 TECHNICAL CHARACTERISTICS 11
3.1 GENERAL INFORMATION ................................................................................................................................................................................11
Protection and measuring relay .................................................................................................................................................................11
Mechanical characteristics ........................................................................................................................................................................11
Isolation tests .................................................................................................................................................................................................11
Immunity to voltage dips ..............................................................................................................................................................................11
Electromagnetic compatibility (EMC) ........................................................................................................................................................11
Issue ................................................................................................................................................................................................................12
Mechanical tests ...........................................................................................................................................................................................12
Climatic conditions ........................................................................................................................................................................................12
Safety instructions ........................................................................................................................................................................................12
Reference specifications .............................................................................................................................................................................12
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Certifications ................................................................................................................................................................................................. 13
3.2 INPUT CIRCUITS .............................................................................................................................................................................................. 13
Auxiliary circuit power
U
aux
....................................................................................................................................................................... 13
Combined active sensor input circuits ..................................................................................................................................................... 13
Combined passive sensor input circuits .................................................................................................................................................. 13
Capacitive voltage divider input circuits .................................................................................................................................................. 13
Digital inputs ................................................................................................................................................................................................. 13
3.3 OUTPUT CIRCUITS ........................................................................................................................................................................................... 13
Final relays .................................................................................................................................................................................................... 13
Current transformer ..................................................................................................................................................................................... 13
3.4 MMI .....................................................................................................................................................................................................................14
3.5 COMMUNICATIONS CIRCUITS.......................................................................................................................................................................14
Local port ........................................................................................................................................................................................................14
Remote connection .......................................................................................................................................................................................14
Connection to remote control peripheral ..................................................................................................................................................14
3.6 BASIC PROGRAMMING ..................................................................................................................................................................................14
Nominal values ..............................................................................................................................................................................................14
Cyclical input sequence ...............................................................................................................................................................................14
Polarity ............................................................................................................................................................................................................14
Timers associated with the logical inputs .................................................................................................................................................15
Output relay timers ........................................................................................................................................................................................15
3.7 PROTECTION FUNCTIONS..................................................................................................................................................................................15
Voltage present - RVL ...................................................................................................................................................................................15
Maximum active power directional - 32P .................................................................................................................................................15
Phase sequence control - 47 .......................................................................................................................................................................15
Overcurrent - 50/51 ..................................................................................................................................................................................15
Residual overcurrent - 50N/51N .................................................................................................................................................................16
Ground directional overcurrent - 67N ........................................................................................................................................................16
ALB frequency (automatic load balancer) ................................................................................................................................................16
Second harmonic restraint - 2ndh-REST ................................................................................................................................................... 17
Averaged values ............................................................................................................................................................................................17
THD monitoring ..............................................................................................................................................................................................17
Breaker diagnostics ...................................................................................................................................................................................... 17

Thytronic SME2-IS Specifications

General

Brand	Thytronic
Model	SME2-IS
Category	Security Sensors
Language	English