ABB RER670 User Manual

Inrush restraint methods.........................................................82
Overexcitation restraint method.............................................
82
Protections based on the directional criterion........................ 83
Setting examples......................................................................... 83
Application examples............................................................. 85
How to wire the transformer differential protection to the
IED using CTs........................................................................ 90
Section 7 Impedance protection.....................................................95
Automatic switch onto fault logic ZCVPSOF ................................... 95
Identification................................................................................ 95
Application................................................................................... 95
Setting guidelines........................................................................ 96
Distance protection, quadrilateral characteristic ZRWPDIS............. 97
Identification................................................................................ 97
Application................................................................................... 97
Compensated earthing systems.............................................98
Solidly earthed systems....................................................... 113
High impedance earthing systems....................................... 124
Setting examples....................................................................... 135
Compensated earthed systems............................................135
Solidly earthed systems....................................................... 143
Underimpedance protection for railway transformers ZGTPDIS.... 150
Identification.............................................................................. 150
Application................................................................................. 150
Zone 1 operation.................................................................. 152
Zone 2 operation.................................................................. 152
Zone 3 operation.................................................................. 152
Setting guidelines...................................................................... 152
Catenary Protection...................................................................154
Wrong phase coupling protection.............................................. 155
Section 8 Current protection.........................................................157
Instantaneous phase overcurrent protection 2-phase output
PHPIOC..........................................................................................157
Identification.............................................................................. 157
Application................................................................................. 157
Setting guidelines...................................................................... 158
Meshed network without parallel line................................... 158
Two-step directional phase overcurrent protection D2PTOC......... 160
Identification.............................................................................. 160
Application................................................................................. 160
Setting guidelines...................................................................... 161
Settings for step 1................................................................ 164
Table of contents
Railway application RER670 2.2 IEC 3
Application manual

ABB RER670 Specifications

General

Brand	ABB
Model	RER670
Category	Protection Device
Language	English