Hitachi Relion 670 Series Applications Manual page 15

1MRK506375-UEN Rev. N
13.1 Scheme communication logic for distance or overcurrent protection ZCPSCH ............... 279
13.1.1 Identification.................................................................................................................... 279
13.1.2 Application.......................................................................................................................279
13.1.2.1
13.1.2.2
13.1.2.3
13.1.3 Setting guidelines............................................................................................................282
13.1.3.1
13.1.3.2
13.1.3.3
13.1.3.4
13.1.3.5
13.2 Current reversal and Weak-end infeed logic for distance protection 2-phase
ZCRWPSCH......................................................................................................................284
13.2.1 Identification.................................................................................................................... 284
13.2.2 Application.......................................................................................................................284
13.2.2.1
13.2.2.2
13.2.3 Setting guidelines............................................................................................................285
13.2.3.1
13.2.3.2
13.3 Scheme communication logic for residual overcurrent protection ECPSCH ....................286
13.3.1 Function revision history..................................................................................................286
13.3.2 Identification.................................................................................................................... 287
13.3.3 Application.......................................................................................................................287
13.3.4 Setting guidelines............................................................................................................287
13.4 Current reversal and weak-end infeed logic for residual overcurrent protection
ECRWPSCH..................................................................................................................... 288
13.4.1 Identification.................................................................................................................... 288
13.4.2 Application.......................................................................................................................288
13.4.2.1
13.4.2.2
13.4.3 Setting guidelines............................................................................................................289
13.4.3.1
13.4.3.2
Section 14 Logic........................................................................................................... 291
14.1 Tripping logic SMPPTRC ..................................................................................................291
14.1.1 Function revision history..................................................................................................291
14.1.2 Identification.................................................................................................................... 291
14.1.3 Application.......................................................................................................................291
14.1.3.1
14.1.3.2
14.1.3.3
14.1.3.4
14.1.4 Setting guidelines............................................................................................................294
14.1.4.1
Railway application RER670
Application manual
Blocking schemes ..................................................................................................... 279
Permissive schemes.................................................................................................. 280
Intertrip scheme......................................................................................................... 282
Blocking scheme........................................................................................................ 283
Permissive underreaching scheme............................................................................ 283
Permissive overreaching scheme.............................................................................. 283
Unblocking scheme....................................................................................................283
Intertrip scheme......................................................................................................... 283
Current reversal logic................................................................................................. 284
Weak-end infeed logic................................................................................................285
Current reversal logic................................................................................................. 286
Weak-end infeed logic................................................................................................286
Fault current reversal logic.........................................................................................288
Weak-end infeed logic................................................................................................289
Current reversal......................................................................................................... 289
Weak-end infeed........................................................................................................ 290
Tripping ..................................................................................................................... 291
Lock-out..................................................................................................................... 292
Example of directional data........................................................................................292
Blocking of the function block.....................................................................................294
Setting example......................................................................................................... 295
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