ABB Relion 650 Series Technical Manual page 10

Table of contents
5.7.5 Settings...........................................................................................................................................139
5.7.6 Operation principle...................................................................................................................... 140
5.7.6.1
5.7.6.2
5.7.6.3
5.7.6.4
5.7.6.5
5.7.7 Technical data................................................................................................................................145
5.8 Automatic switch onto fault logic, voltage and current based ZCVPSOF...........................145
5.8.1 Identification................................................................................................................................. 145
5.8.2 Functionality.................................................................................................................................. 146
5.8.3 Function block............................................................................................................................... 146
5.8.4 Signals.............................................................................................................................................146
5.8.5 Settings...........................................................................................................................................147
5.8.6 Operation principle.......................................................................................................................147
5.8.7 Technical data............................................................................................................................... 148
Section 6 Current protection.......................................................................................... 149
6.1 Instantaneous phase overcurrent protection PHPIOC (50)................................................... 149
6.1.1 Identification ................................................................................................................................ 149
6.1.2 Functionality.................................................................................................................................. 149
6.1.3 Function block............................................................................................................................... 149
6.1.4 Signals.............................................................................................................................................149
6.1.5 Settings...........................................................................................................................................150
6.1.6 Monitored data............................................................................................................................. 150
6.1.7 Operation principle...................................................................................................................... 150
6.1.8 Technical data................................................................................................................................ 151
6.2 Instantaneous phase overcurrent protection SPTPIOC (50).................................................. 151
6.2.1 Identification..................................................................................................................................151
6.2.2 Functionality...................................................................................................................................151
6.2.3 Function block................................................................................................................................151
6.2.4 Signals............................................................................................................................................. 152
6.2.5 Settings........................................................................................................................................... 152
6.2.6 Monitored Data............................................................................................................................. 152
6.2.7 Principle of operation...................................................................................................................153
6.2.8 Technical data................................................................................................................................153
6.3 Four step phase overcurrent protection OC4PTOC (51/67)...................................................153
6.3.1 Identification .................................................................................................................................153
6.3.2 Functionality.................................................................................................................................. 154
6.3.3 Function block............................................................................................................................... 154
6.3.4 Signals............................................................................................................................................. 154
6.3.5 Settings...........................................................................................................................................155
6.3.6 Monitored data..............................................................................................................................157
4
Resistive reach in forward direction.................................................................................... 141
Resistive reach in reverse direction..................................................................................... 142
Reactive reach in forward and reverse direction.............................................................. 143
Basic detection logic...............................................................................................................143
Operating and inhibit conditions.........................................................................................145
© Copyright 2011 ABB Power Grids. All rights reserved
Line distance protection REL650
Technical manual