Hitachi Relion 670 Series Applications Manual page 9

1MRK506375-UEN Rev. N
6.2.5.2
Section 7 Impedance protection................................................................................. 87
7.1 Automatic switch onto fault logic ZCVPSOF ...................................................................... 87
7.1.1 Function revision history....................................................................................................87
7.1.2 Identification...................................................................................................................... 87
7.1.3 Application.........................................................................................................................87
7.1.4 Setting guidelines..............................................................................................................88
7.2 Distance protection, quadrilateral characteristic ZRWPDIS................................................ 89
7.2.1 Function revision history....................................................................................................89
7.2.2 Identification...................................................................................................................... 89
7.2.3 Application.........................................................................................................................89
7.2.3.1
7.2.3.2
7.2.3.3
7.2.4 Setting examples............................................................................................................. 117
7.2.4.1
7.2.4.2
7.3 Catenary distance protection ZRCPDIS............................................................................128
7.3.1 Function revision history..................................................................................................128
7.3.2 Application.......................................................................................................................129
7.3.3 Setting guidelines............................................................................................................129
7.3.3.1
7.3.3.2
7.3.3.3
7.3.3.4
7.4 Underimpedance protection for railway transformers ZGTPDIS....................................... 137
7.4.1 Function revision history..................................................................................................137
7.4.2 Identification.................................................................................................................... 137
7.4.3 Application.......................................................................................................................137
7.4.3.1
7.4.3.2
7.4.3.3
7.4.4 Setting guidelines............................................................................................................139
7.4.5 Catenary Protection.........................................................................................................141
7.4.6 Wrong phase coupling protection....................................................................................141
Section 8 Current protection..................................................................................... 143
8.1 Instantaneous phase overcurrent protection 2-phase output PHPIOC............................. 143
8.1.1 Identification.................................................................................................................... 143
8.1.2 Application.......................................................................................................................143
8.1.3 Setting guidelines............................................................................................................143
8.1.3.1
8.2 Two-step directional phase overcurrent protection D2PTOC ........................................... 146
8.2.1 Function revision history..................................................................................................146
8.2.2 Identification.................................................................................................................... 146
8.2.3 Application.......................................................................................................................146
Railway application RER670
Application manual
How to wire the transformer differential protection to the IED using CTs.....................83
Compensated earthing systems...................................................................................90
Solidly earthed systems............................................................................................. 101
High impedance earthing systems............................................................................. 109
Compensated earthed systems..................................................................................117
Solidly earthed systems............................................................................................. 123
General settings (common for all zones)................................................................... 129
Directional blinder settings (common for all zones)................................................... 130
Zone x (x = 1 to 5) settings.........................................................................................130
Setting examples........................................................................................................130
Zone 1 operation........................................................................................................ 139
Zone 2 operation........................................................................................................ 139
Zone 3 operation........................................................................................................ 139
Meshed network without parallel line......................................................................... 144
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