ABB REL670 2.2 IEC - Page 9

PMU Report Function Blocks Connection Rules in
PCM600 Application Configuration Tool (ACT)....................118
Setting guidelines...................................................................... 124
Section 7 Differential protection................................................... 129
High impedance differential protection, single phase HZPDIF ...... 129
Identification.............................................................................. 129
Application.................................................................................129
The basics of the high impedance principle......................... 130
Connection examples for high impedance differential
protection...................................................................................136
Connections for three-phase high impedance differential
protection..............................................................................136
Connections for 1Ph High impedance differential
protection HZPDIF................................................................137
Setting guidelines...................................................................... 138
Configuration........................................................................ 138
Settings of protection function.............................................. 138
T-feeder protection............................................................... 139
Tertiary reactor protection.................................................... 142
Alarm level operation............................................................145
Section 8 Impedance protection...................................................147
Distance measuring zone, quadrilateral characteristic for
series compensated lines ZMCPDIS, ZMCAPDIS, ZDSRDIR....... 147
Identification.............................................................................. 147
Application.................................................................................147
Introduction...........................................................................147
System earthing................................................................... 148
Fault infeed from remote end............................................... 149
Load encroachment..............................................................150
Long transmission line application....................................... 151
Parallel line application with mutual coupling....................... 152
Tapped line application........................................................ 159
Series compensation in power systems............................... 162
Challenges in protection of series compensated and
adjacent power lines.............................................................169
Impact of series compensation on protective IED of
adjacent lines....................................................................... 181
Distance protection...............................................................182
Setting guidelines...................................................................... 189
General.................................................................................189
Setting of zone1................................................................... 190
Setting of overreaching zone................................................190
Setting of reverse zone........................................................ 191
Table of contents
Line distance protection REL670 2.2 IEC 3
Application manual