ABB Relion 670 series - Document Symbols and Conventions

Identification.................................................................................... 113
Application....................................................................................... 114
Operation principle.......................................................................... 116
Frequency reporting................................................................... 118
Reporting filters.......................................................................... 120
Scaling Factors for ANALOGREPORT channels....................... 121
PMU Report Function Blocks Connection Rules in PCM600
Application Configuration Tool (ACT)......................................... 123
Setting guidelines............................................................................ 129
Section 7 Differential protection........................................................ 135
High impedance differential protection, single phase HZPDIF (87)......135
Identification.................................................................................... 135
Application....................................................................................... 135
The basics of the high impedance principle............................... 136
Connection examples for high impedance differential protection.... 142
Connections for three-phase high impedance differential
protection....................................................................................142
Connections for 1Ph High impedance differential protection
HZPDIF (87)............................................................................... 143
Setting guidelines............................................................................ 144
Configuration.............................................................................. 145
Settings of protection function.................................................... 145
T-feeder protection..................................................................... 145
Tertiary reactor protection.......................................................... 148
Alarm level operation..................................................................151
Additional security logic for differential protection LDRGFC (11)......... 152
Identification.................................................................................... 152
Application....................................................................................... 152
Setting guidelines............................................................................ 154
Section 8 Impedance protection........................................................157
Distance measuring zone, quadrilateral characteristic for series
compensated lines ZMCPDIS (21), ZMCAPDIS (21), ZDSRDIR (21D)157
Identification.................................................................................... 157
Application....................................................................................... 157
Introduction.................................................................................157
System grounding.......................................................................158
Fault infeed from remote end..................................................... 160
Load encroachment....................................................................161
Long transmission line application..............................................162
Table of contents
Line distance protection REL670 2.2 ANSI 3
Application manual