ABB REC650 ANSI Technical Manual page 10

Table of contents
4
Signals.............................................................................................117
Settings............................................................................................117
Monitored data.................................................................................119
Operation principle ......................................................................... 119
Function inputs........................................................................... 119
Directional residual current protection measuring 3I
Directional residual power protection measuring 3I
Directional residual current protection measuring 3I
Directional functions................................................................... 125
Non-directional ground fault current protection.......................... 125
Residual overvoltage release and protection............................. 125
Technical data................................................................................. 127
Thermal overload protection, one time constant Fahrenheit/Celsius
LFPTTR/LCPTTR (26)..........................................................................128
Identification ................................................................................... 128
Functionality.................................................................................... 128
Function block................................................................................. 129
Signals.............................................................................................130
Settings............................................................................................131
Monitored data.................................................................................132
Operation principle.......................................................................... 133
Technical data................................................................................. 136
Breaker failure protection 3-phase activation and output CCRBRF (
50BF).................................................................................................... 136
Identification.................................................................................... 136
Functionality.................................................................................... 136
Function block................................................................................. 137
Signals.............................................................................................137
Settings............................................................................................138
Monitored data.................................................................................139
Operation principle.......................................................................... 139
Technical data................................................................................. 141
Stub protection STBPTOC (50STB)..................................................... 142
Identification ................................................................................... 142
Functionality.................................................................................... 142
Function block................................................................................. 142
Signals.............................................................................................143
Settings............................................................................................143
Monitored data.................................................................................143
Operation principle.......................................................................... 144
·cos φ.......120
0
· 3V · cos φ123
0 0
and φ...... 124
0
Technical manual