ABB RED615 Technical Manual page 14

Table of contents
8
Function block......................................................................263
Functionality.........................................................................263
Operation principle...............................................................264
Measurement modes............................................................265
Timer characteristics............................................................266
Application............................................................................267
Signals..................................................................................268
Settings................................................................................269
Monitored data.....................................................................271
Technical data......................................................................272
Technical revision history.....................................................272
Directional earth-fault protection DEFxPDEF............................273
Identification.........................................................................273
Function block......................................................................273
Functionality.........................................................................274
Operation principle...............................................................274
Directional earth-fault principles...........................................279
Measurement modes............................................................285
Timer characteristics............................................................286
Directional earth-fault characteristics...................................287
Application............................................................................295
Signals..................................................................................297
Settings................................................................................298
Monitored data.....................................................................301
Technical data......................................................................302
Technical revision history.....................................................303
Transient/intermittent earth-fault protection INTRPTEF............304
Identification.........................................................................304
Function block......................................................................304
Functionality.........................................................................304
Operation principle...............................................................305
Application............................................................................307
Signals..................................................................................309
Settings................................................................................309
Monitored data.....................................................................310
Technical data......................................................................310
Technical revision history.....................................................311
Admittance-based earth-fault protection EFPADM....................311
Identification.........................................................................311
Function block......................................................................311
Functionality.........................................................................311
Operation principle...............................................................312
Neutral admittance characteristics.......................................324
615 series
Technical Manual