Internal earth-fault protection structure................................ 196
Four residual overcurrent steps............................................196
Directional supervision element with integrated
directional comparison function............................................197
Second harmonic blocking element...........................................201
Technical data........................................................................... 202
Sensitive directional residual overcurrent and power protection
SDEPSDE ..................................................................................... 203
Identification.............................................................................. 203
Functionality.............................................................................. 203
Function block........................................................................... 204
Signals.......................................................................................204
Settings......................................................................................205
Monitored data...........................................................................206
Operation principle ................................................................... 206
Function inputs..................................................................... 206
Directional residual current protection measuring 3I
Directional residual power protection measuring 3I
· cos φ...................................................................................209
Directional residual current protection measuring 3I
Technical data........................................................................... 213
Thermal overload protection, two time constants TRPTTR ...........214
Identification ............................................................................. 214
Functionality.............................................................................. 214
Function block........................................................................... 215
Signals.......................................................................................215
Settings......................................................................................216
Monitored data...........................................................................217
Operation principle.................................................................... 217
Technical data........................................................................... 221
Breaker failure protection 3-phase activation and output CCRBRF 221
Identification.............................................................................. 221
Functionality.............................................................................. 221
Function block........................................................................... 222
Signals.......................................................................................222
Settings......................................................................................223
Monitored data...........................................................................223
Operation principle.................................................................... 224
Technical data........................................................................... 226
Pole discordance protection CCRPLD .......................................... 227
Table of contents
6
Technical manual
Содержание REG650 ANSI
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