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1MRK 504 165-UEN Rev. K
11.11.1.2
11.11.1.3
11.11.1.4
11.11.1.5
11.11.2
Autorecloser for 1/2/3-phase operation SMBRREC ....................................................... 236
11.11.2.1
11.11.2.2
11.11.2.3
11.11.2.4
11.11.2.5
11.11.3
Apparatus control APC....................................................................................................241
11.11.4
Function revision history..................................................................................................241
11.11.5
Voltage control TR1ATCC, TR8ATCC, TCMYLTC, TCLYLTC ........................................241
11.11.5.1
11.11.5.2
11.11.5.3
11.11.5.4
11.11.5.5
11.11.5.6
11.11.5.7
11.11.5.8
11.11.5.9
11.11.6
Single command, 16 signals SINGLECMD..................................................................... 249
11.11.7
Interlocking......................................................................................................................249
11.12
Scheme communication.................................................................................................... 249
11.12.1
Scheme communication logic for distance or overcurrent protection ZCPSCH ............. 249
11.12.1.1
11.12.1.2
11.12.1.3
11.12.1.4
11.12.1.5
11.12.1.6
11.12.1.7
11.12.2
protection ZPCPSCH ..................................................................................................... 252
11.12.2.1
11.12.2.2
11.12.2.3
11.12.2.4
11.12.2.5
11.12.3
ZCRWPSCH ...................................................................................................................253
11.12.3.1
11.12.3.2
11.12.3.3
11.12.3.4
Transformer protection RET670
Commissioning manual
Testing the synchrocheck functionality.......................................................................231
Testing the energizing check......................................................................................233
Testing the voltage selection...................................................................................... 234
Completing the test.................................................................................................... 236
Preparation of the verification ................................................................................... 238
Switching the auto recloser to On and Off On and Off ..............................................238
Verifying the auto recloser .........................................................................................239
Checking the auto reclosing conditions......................................................................239
Completing the test.................................................................................................... 241
Secondary test........................................................................................................... 243
Check the activation of the voltage control operation................................................ 243
Check the normal voltage regulation function............................................................ 243
Check the undervoltage block function...................................................................... 244
Check the upper and lower busbar voltage limit........................................................ 244
Check the overcurrent block function.........................................................................244
Single transformer......................................................................................................245
Parallel voltage regulation..........................................................................................246
Completing the test.................................................................................................... 249
Function revision history............................................................................................ 250
Testing permissive underreaching..............................................................................250
Testing permissive overreaching................................................................................250
Testing blocking scheme............................................................................................ 251
Testing delta blocking scheme................................................................................... 251
Checking of unblocking logic......................................................................................251
Completing the test.................................................................................................... 251
Function revision history............................................................................................ 252
Testing permissive underreaching..............................................................................252
Testing permissive overreaching................................................................................252
Testing blocking scheme............................................................................................ 253
Completing the test.................................................................................................... 253
Function revision history............................................................................................ 254
Current reversal logic................................................................................................. 254
Weak end infeed logic................................................................................................254
Completing the test.................................................................................................... 255
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