ABB Relion 670 Series Applications Manual page 10

Table of contents
7.2.4.2
7.3 Directional residual overcurrent protection, four steps EF4PTOC (51N/67N)......................... 165
7.3.1 Function revision history........................................................................................................166
7.3.2 Identification.......................................................................................................................... 166
7.3.3 Setting guidelines.................................................................................................................. 166
7.3.3.1
7.3.3.2
7.3.3.3
7.3.3.4
7.3.3.5
7.3.3.6
7.4 Four step directional negative phase sequence overcurrent protection NS4PTOC (46I2)......172
7.4.1 Function revision history........................................................................................................173
7.4.2 Identification.......................................................................................................................... 173
7.4.3 Application.............................................................................................................................173
7.4.4 Setting guidelines.................................................................................................................. 174
7.4.4.1
7.4.4.2
7.5 Thermal overload protection, two time constants TRPTTR (49)............................................. 178
7.5.1 Identification.......................................................................................................................... 178
7.5.2 Application.............................................................................................................................179
7.5.3 Setting guideline....................................................................................................................179
7.5.3.1
7.6 Breaker failure protection CCRBRF (50BF) ........................................................................... 183
7.6.1 Function revision history........................................................................................................183
7.6.2 Identification.......................................................................................................................... 184
7.6.3 Application.............................................................................................................................184
7.6.4 Setting guidelines.................................................................................................................. 184
7.7 Breaker failure protection, single phase version CCSRBRF (50BF)....................................... 192
7.7.1 Function revision history........................................................................................................192
7.7.2 Identification.......................................................................................................................... 193
7.7.3 Application.............................................................................................................................193
7.7.4 Setting guidelines.................................................................................................................. 193
7.8 Directional underpower protection GUPPDUP (37)................................................................ 201
7.8.1 Identification.......................................................................................................................... 201
7.8.2 Application.............................................................................................................................201
7.8.3 Setting guidelines.................................................................................................................. 202
7.9 Directional overpower protection GOPPDOP (32).................................................................. 206
7.9.1 Identification.......................................................................................................................... 206
7.9.2 Application.............................................................................................................................206
7.9.3 Setting guidelines.................................................................................................................. 208
7.10 Capacitor bank protection CBPGAPC..................................................................................... 211
7.10.1 Identification...........................................................................................................................211
4
Second harmonic restrain................................................................................................ 161
Common settings for all steps.......................................................................................... 167
nd
2 harmonic restrain........................................................................................................168
Parallel transformer inrush current logic...........................................................................168
Switch onto fault logic.......................................................................................................169
Settings for each step (x = 1, 2, 3 and 4) ........................................................................ 170
Phase selection element.................................................................................................. 172
Settings for each step ......................................................................................................175
Common settings for all steps.......................................................................................... 177
Setting example................................................................................................................181
© 2017 - 2021 Hitachi Power Grids. All rights reserved
1MRK 505 370-UUS Rev. K
Busbar protection REB670
Application manual