ABB REL650 series Technical Manual page 11

Technical manual
Instantaneous phase overcurrent protection 3-phase output
PHPIOC (50).........................................................................................189
Identification ................................................................................... 189
Functionality.................................................................................... 189
Function block................................................................................. 189
Signals.............................................................................................189
Settings............................................................................................190
Monitored data.................................................................................190
Operation principle.......................................................................... 190
Technical data................................................................................. 191
Instantaneous phase overcurrent protection phase segregated
output SPTPIOC (50)............................................................................191
Identification.................................................................................... 191
Functionality.................................................................................... 191
Function block................................................................................. 192
Signals.............................................................................................192
Settings............................................................................................192
Monitored Data................................................................................ 193
Principle of operation.......................................................................193
Technical data................................................................................. 193
Four step phase overcurrent protection 3-phase output OC4PTOC
(51/67).................................................................................................. 194
Identification ................................................................................... 194
Functionality.................................................................................... 194
Function block................................................................................. 195
Signals.............................................................................................195
Settings............................................................................................196
Monitored data.................................................................................198
Operation principle.......................................................................... 198
Second harmonic blocking element.................................................203
Technical data................................................................................. 204
Four step phase overcurrent protection phase segregated output
OC4SPTOC (51/67)..............................................................................204
Identification.................................................................................... 204
Functionality.................................................................................... 205
Function block................................................................................. 205
Signals.............................................................................................205
Settings............................................................................................207
Monitored data.................................................................................209
Operation principle.......................................................................... 209
Table of contents
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