ABB REL650 Technical Manual page 14

Table of contents
8
Signals.......................................................................................300
Settings......................................................................................300
Operation principle.................................................................... 301
Measurement principle......................................................... 301
Time delay............................................................................301
Voltage dependent time delay..............................................302
Blocking................................................................................303
Design.................................................................................. 303
Technical data........................................................................... 304
Overfrequency protection SAPTOF ...............................................305
Identification.............................................................................. 305
Functionality.............................................................................. 305
Function block........................................................................... 306
Signals.......................................................................................306
Settings......................................................................................306
Operation principle.................................................................... 307
Measurement principle......................................................... 307
Time delay............................................................................307
Blocking................................................................................308
Design.................................................................................. 308
Technical data........................................................................... 309
Rate-of-change of frequency protection SAPFRC .........................309
Identification.............................................................................. 309
Functionality.............................................................................. 309
Function block........................................................................... 310
Signals.......................................................................................310
Settings......................................................................................310
Operation principle.................................................................... 311
Measurement principle......................................................... 311
Time delay............................................................................311
Blocking................................................................................312
Design.................................................................................. 312
Technical data........................................................................... 313
Section 10 Secondary system supervision.....................................315
Current circuit supervision CCSSPVC............................................315
Identification.............................................................................. 315
Functionality.............................................................................. 315
Function block........................................................................... 315
Signals.......................................................................................316
Settings......................................................................................316
Operation principle.................................................................... 316
Technical data........................................................................... 318
Fuse failure supervision FUFSPVC................................................318
Line distance protection REL650 2.2 IEC
Technical manual