ABB REC650 Technical Manual page 11

Technical manual
Functionality.............................................................................. 141
Function block........................................................................... 141
Signals.......................................................................................141
Settings......................................................................................142
Monitored data...........................................................................142
Operation principle.................................................................... 142
Technical data........................................................................... 144
Directional over-/under-power protection GOPPDOP/GUPPDUP. 144
Functionality.............................................................................. 144
Directional overpower protection GOPPDOP ...........................144
Identification......................................................................... 144
Function block...................................................................... 145
Signals..................................................................................145
Settings................................................................................ 146
Monitored data..................................................................... 147
Directional underpower protection GUPPDUP.......................... 147
Identification......................................................................... 147
Function block...................................................................... 147
Signals..................................................................................148
Settings................................................................................ 148
Monitored data..................................................................... 149
Operation principle.................................................................... 149
Low pass filtering..................................................................151
Technical data........................................................................... 152
Negative sequence based overcurrent function DNSPTOC ..........152
Identification.............................................................................. 152
Functionality.............................................................................. 153
Function block........................................................................... 153
Signals.......................................................................................153
Settings......................................................................................154
Monitored data...........................................................................155
Operation principle.................................................................... 155
Technical data........................................................................... 156
Section 7 Voltage protection........................................................ 157
Two step undervoltage protection UV2PTUV ................................157
Identification.............................................................................. 157
Functionality.............................................................................. 157
Function block........................................................................... 157
Signals.......................................................................................158
Settings......................................................................................158
Monitored data...........................................................................159
Operation principle.................................................................... 159
Measurement principle......................................................... 160
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