ABB REC650 ANSI Technical Manual page 11

Technical manual
Technical data................................................................................. 144
Pole discrepancy protection CCRPLD (52PD)..................................... 145
Identification ................................................................................... 145
Functionality.................................................................................... 145
Function block................................................................................. 145
Signals.............................................................................................146
Settings............................................................................................146
Monitored data.................................................................................147
Operation principle.......................................................................... 147
Pole discrepancy signaling from circuit breaker......................... 148
Unsymmetrical current detection................................................ 149
Technical data................................................................................. 149
Broken conductor check BRCPTOC (46)............................................. 149
Identification.................................................................................... 149
Functionality.................................................................................... 150
Function block................................................................................. 150
Signals.............................................................................................150
Settings............................................................................................150
Monitored data.................................................................................151
Operation principle.......................................................................... 151
Technical data................................................................................. 152
Directional over-/under-power protection GOPPDOP/GUPPDUP
(32/37).................................................................................................. 153
Functionality.................................................................................... 153
Directional overpower protection GOPPDOP (32).......................... 153
Identification............................................................................... 153
Function block............................................................................ 154
Signals........................................................................................154
Settings.......................................................................................155
Monitored data............................................................................156
Directional underpower protection GUPPDUP (37).........................156
Identification............................................................................... 156
Function block............................................................................ 156
Signals........................................................................................157
Settings.......................................................................................157
Monitored data............................................................................158
Operation principle.......................................................................... 158
Low pass filtering........................................................................160
Technical data................................................................................. 161
Negative sequence based overcurrent function DNSPTOC (46)......... 162
Table of contents
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