Table of Contents
M7IRDA2003I
7IRD-A/J/M: Distribution Protection & Control Terminal
© ZIV APLICACIONES Y TECNOLOGÍA, S.L.U. 2020
II
4.2 Protection and Control Interconnection ................................................................. 4-3
4.3 Dimensions ............................................................................................................ 4-3
4.4 Connection Elements ............................................................................................. 4-4
4.4.1 Terminal Connectors and Connector Blocks ......................................................... 4-4
4.4.2 Removing of Printed Circuit Boards (Non Self-shorting) ....................................... 4-4
5.
Settings ................................................................................................................. 5-1
5.1 Protection Subsystem Settings .............................................................................. 5-2
5.1.1 Configuration Settings ............................................................................................ 5-2
5.1.2 General Settings .................................................................................................... 5-2
5.1.3 Protection Settings ................................................................................................. 5-3
5.1.4 Recloser Settings (7IRD-A/J Models) .................................................................... 5-4
5.1.5 Logic Settings......................................................................................................... 5-6
5.1.6 Breaker Monitoring Settings ................................................................................... 5-7
5.1.7 Metering History Log .............................................................................................. 5-7
5.1.8 Oscillographic Recording (Optional) ...................................................................... 5-8
5.2 Control Subsystem Settings ................................................................................... 5-9
5.2.1 Configuration Settings ............................................................................................ 5-9
5.2.2 General Settings .................................................................................................... 5-9
5.2.3 Time Settings ....................................................................................................... 5-10
5.2.4 Logic Settings....................................................................................................... 5-10
5.2.5 Analogic Settings ................................................................................................. 5-10
6.
Description of Operation of Protection Subsystem ......................................... 6-1
6.1 Overcurrent Elements ............................................................................................ 6-3
6.1.1 Time Elements ....................................................................................................... 6-3
6.1.1.a Time/ Current Characteristics ................................................................................ 6-4
6.1.2 Instantaneous Elements ........................................................................................ 6-7
6.1.3 Overcurrent Units Block Diagrams......................................................................... 6-7
6.1.4 Torque Control (Pickup Blocking Enable) .............................................................. 6-8
6.1.5 Trip Blocking and Time Delay Disable ................................................................... 6-9
6.2 Breaker Failure....................................................................................................... 6-9
6.3 Open Phase Element ........................................................................................... 6-10
6.4 Residual Current Element .................................................................................... 6-11
6.5 General Settings .................................................................................................. 6-12
6.6 Recloser (7IRD-A/J Models) ................................................................................ 6-13
6.6.1 Reclose Sequence ............................................................................................... 6-13
6.6.2 Recloser Lockout ................................................................................................. 6-17
6.6.3 Manual Close ....................................................................................................... 6-17
6.6.4 Manual and External Blocking ............................................................................. 6-18
6.6.5 Definite Trip .......................................................................................................... 6-19
6.6.6 Recloser Not in Service ....................................................................................... 6-19
6.6.7 Reclose Counter .................................................................................................. 6-19
6.6.8 Recloser and Trip Control Masks......................................................................... 6-19
6.7 Logic ..................................................................................................................... 6-21
6.7.1 Trip Seal-In ........................................................................................................... 6-21
6.7.2 Breaker Open and Breaker Close Failure Time ................................................... 6-21
6.7.3 Manual Closing through Recloser (7IRD-A/J Models) ......................................... 6-21
6.8 Trip and Close Coil Circuit Supervision ............................................................... 6-22
6.8.1 Trip Coil Circuit..................................................................................................... 6-23
6.8.2 Close Coil Circuit ................................................................................................. 6-23
6.8.3 Trip/Close Coil Circuit Supervision Input Programming ...................................... 6-24
6.8.4 Trip/Close Output Supervision ............................................................................. 6-24
6.9 Breaker Monitoring ............................................................................................... 6-25
6.9.1 Excessive Number of Trips .................................................................................. 6-25
6.10 Change Settings Group ....................................................................................... 6-26
6.11 Event Record ....................................................................................................... 6-27
6.12 Fault Reports ........................................................................................................ 6-32
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