ABB RED670 Commissioning Manual page 15

1MRK 505 378-UUS Rev. J
11.10.2.1
11.10.2.2
11.10.2.3
11.10.2.4
11.10.2.5
11.10.3 Apparatus control APC..........................................................................................................227
11.10.4 Function revision history........................................................................................................228
11.10.5 Single command, 16 signals SINGLECMD........................................................................... 228
11.10.6 Interlocking............................................................................................................................ 228
11.11 Scheme communication.......................................................................................................... 228
11.11.1 Scheme communication logic for distance or overcurrent protection ZCPSCH (85) ............228
11.11.1.1
11.11.1.2
11.11.1.3
11.11.1.4
11.11.1.5
11.11.1.6
11.11.1.7
11.11.2 Phase segregated scheme communication logic for distance or overcurrent protection
ZPCPSCH (85) .....................................................................................................................231
11.11.2.1
11.11.2.2
11.11.2.3
11.11.2.4
11.11.2.5
11.11.3 Current reversal and Weak-end infeed logic for distance protection 3-phase
ZCRWPSCH (85).................................................................................................................. 232
11.11.3.1
11.11.3.2
11.11.3.3
11.11.3.4
11.11.4 Local acceleration logic ZCLCPSCH.....................................................................................235
11.11.4.1
11.11.4.2
11.11.5 Scheme communication logic for residual overcurrent protection ECPSCH (85)................. 235
11.11.5.1
11.11.5.2
11.11.5.3
11.11.6 Current reversal and weak-end infeed logic for residual overcurrent protection
ECRWPSCH (85).................................................................................................................. 237
11.11.6.1
11.11.6.2
11.11.6.3
Line differential protection RED670
Commissioning manual
Preparation of the verification ..........................................................................................224
Switching the auto recloser to On and Off Enabled and Disabled .................................. 225
Verifying the auto recloser ...............................................................................................225
Checking the auto reclosing conditions............................................................................226
Completing the test.......................................................................................................... 227
Function revision history...................................................................................................229
Testing permissive underreaching....................................................................................229
Testing permissive overreaching...................................................................................... 229
Testing blocking scheme.................................................................................................. 230
Testing delta blocking scheme......................................................................................... 230
Checking of unblocking logic............................................................................................230
Completing the test.......................................................................................................... 231
Function revision history...................................................................................................231
Testing permissive underreaching....................................................................................231
Testing permissive overreaching...................................................................................... 232
Testing blocking scheme.................................................................................................. 232
Completing the test.......................................................................................................... 232
Function revision history...................................................................................................233
Current reversal logic....................................................................................................... 233
Weak end infeed logic...................................................................................................... 234
Completing the test.......................................................................................................... 235
Verifying the settings........................................................................................................ 235
Completing the test.......................................................................................................... 235
Function revision history...................................................................................................236
Testing the directional comparison logic function............................................................. 236
Completing the test.......................................................................................................... 237
Testing the current reversal logic......................................................................................237
Testing the weak-end infeed logic.................................................................................... 238
Completing the test.......................................................................................................... 239
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