ABB REC650 Technical Manual page 10

Table of contents
4
Residual overvoltage release and protection....................... 118
Technical data........................................................................... 120
Thermal overload protection, one time constant Celsius/
Fahrenheit LCPTTR/LFPTTR.........................................................121
Identification ............................................................................. 121
Functionality.............................................................................. 121
Function block........................................................................... 122
Signals.......................................................................................122
Settings......................................................................................123
Monitored data...........................................................................125
Operation principle.................................................................... 125
Technical data........................................................................... 128
Breaker failure protection 3-phase activation and output CCRBRF 128
Identification.............................................................................. 128
Functionality.............................................................................. 128
Function block........................................................................... 129
Signals.......................................................................................129
Settings......................................................................................130
Monitored data...........................................................................130
Operation principle.................................................................... 131
Technical data........................................................................... 133
Stub protection STBPTOC ............................................................ 134
Identification ............................................................................. 134
Functionality.............................................................................. 134
Function block........................................................................... 134
Signals.......................................................................................135
Settings......................................................................................135
Monitored data...........................................................................135
Operation principle.................................................................... 135
Technical data........................................................................... 136
Pole discordance protection CCRPLD .......................................... 136
Identification ............................................................................. 137
Functionality.............................................................................. 137
Function block........................................................................... 137
Signals.......................................................................................137
Settings......................................................................................138
Monitored data...........................................................................138
Operation principle.................................................................... 138
Pole discordance signaling from circuit breaker...................140
Unsymmetrical current detection..........................................140
Technical data........................................................................... 141
Broken conductor check BRCPTOC ............................................. 141
Identification.............................................................................. 141
Technical manual