Thytronic DMC3S

To Next Page

To Previous Page

DMC3S - Manual - 08 - 2021

EACx

fxa

dfx/dt

fxb

Ueac<

EnUeac<

Ueac>

EnUeac>

ULS>

EnULS>

UG>

EnUG>

UDT>

EnUDT>

P->

EnP->

EAC Logic

Main Page

Table of Contents2
General Information5
Preface5
Description5
Main Characteristics5
Protection Functions5
Control Functions5
Technical Characteristics6
General Information6
Mechanical Characteristics6
Electromagnetic Compatibility (EMC)6
Disturbance Immunity Tests6
Climate Tests7
Mechanical Tests8
Insulation Test8
Reference Specifications8
ENEL General Standards and Tables8
Certifications8
Environmental Condition8
Input Circuits9
Auxiliary Circuit Power U Aux9
Amperometric Phase Inputs9
Residual Current Amperometric Inlet9
Voltmetric Inputs9
Residual Voltage / Vsync Voltage Voltmetric Input9
Digital Inputs9
Output Circuits9
Final Electromechanical Relays9
Final Solid State Relays10
MMI10
Communications Circuits10
Local Port10
Connection 6185010
Remote Module Connection10
Protection and Control Functions11
Nominal Values12
Protection Functions12
Direct Undervoltage - 27CC (80.S)12
Maximum Directional Active Power 32P12
Negative Sequence Overcurrent - 4613
Overcurrent - 50/5114
Residual Overcurrent - 50N/51N15
Neutral Overcurrent - 51N(E)16
Residual Emergency Overcurrent - 51N(Eme)17
Neutral Current Unbalance - 51(SQL)18
Overvoltage - 5918
Residual Overvoltage - 59N19
Residual Emergency Overcurrent - 59N(Eme)19
Maximum Directional Current - 6720
Ground Directional Overcurrent - 67N22
EAC (Equilibratore Automatico DI Carico) [ALB Frequency (Automatic Load Balancer)]25
Second Harmonic Restraint - 2Ndh-REST25
Control Functions26
Synchrocheck Relay - 2526
VT Monitoring - 74TV26
CT Monitoring - 74CT26
Breaker Failure - BF26
Breaker Coils Control Monitoring26
Opening Command Breaker Diagnostics26
Closing Command Breaker Diagnostics26
Automatic Reclosing - 7927
Measurements27
Precision (Type Tests)27
Functional Characteristics30
Configurability30
Additional External Modules31
Description of Operation32
Measurement Conventions32
Logical Inputs33
Output Relays34
Reset Timers37
Shrink Time37
Back-Up Time38
Direct Undervoltage - 27CC39
Maximum Directional Active Power - 32P40
Negative Sequence Overcurrent - 4642
Overcurrent - 50/5144
Residual Overcurrent - 50N/51N46
Neutral Overcurrent - 51(E)48
Residual Emergency Overcurrent - 51(Eme)50
Neutral Current Unbalance - 51(SQL)52
Overvoltage - 5954
Residual Overvoltage - 59N56
Residual Emergency Overvoltage - 59N(Eme)58
Maximum Directional Current - 6760
Ground Directional Overcurrent - 67N65
Ground Directional Overcurrent - 67N (Intermittent Faults)69
Ground Directional Overcurrent - 67N (Evolving Faults)70
Logical Block - Block174
EAC (Equilibratore Automatico DI Carico) [ALB Frequency (Automatic Load Balancer)] Protection75
Second Harmonic Restraint - 2Ndh-REST77
Breaker Monitoring78
Average Measures81
Oscillographyy81
CT Monitoring - 74CT82
VT Monitoring - 74VT83
Breaker Coils Control Monitoring85
Synchrocheck Relay (Synchro Check) - 2586
Auto-Reclose (79)91
Breaker Failure - BF94
Automation Functions95
Logical Selectivity Block - FSL95
Cyber Security96
Configuration Management96
Hardware Systems and Networking Equipment96
Initial System Configuration96
Threat and Vulnerability Management96
Access Control96
Authentication and Authorization Management96
Auditing96
Network Communication Security97
Cybersecurity Application Scheme97
Access Procedure97
Appendix98
Dmc3S - Inverse Time Curves98
DMC3S - IEC Normal Inverse Curves (Type A)99
DMC3S - IEC Long Time Inverse Curves (Type LTI)100
DMC3S - IEC very Inverse Curves (Type B)101
DMC3S - IEC Extremely Inverse Curves (Type B)102
Dmc3S - I/O Circuits103
Dmris0 - I/O Circuits104
DMC3S- DIMENSIONS - Front, Internal and Rear Views105
DMC3S - DIMENSIONS - Viewed from above106
DMC3S - DIMENSIONS - DMRIS0 Module107
Dmc3S - Photo108
Dmc3S - Example of Application to a A3 Primary Substation109
Dmc3S - Ce Declaration of Conformity109

Thytronic DMC3S - Page 76

Table of Contents

Related product manuals