ABB Relion REG670, Applications Manual

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Setting the reach with respect to load.................................. 206
Zone reach setting lower than minimum load impedance.... 207
Zone reach setting higher than minimum load impedance...209
Other settings....................................................................... 210
High speed distance protection for series compensated lines
ZMFCPDIS .................................................................................... 213
Identification.............................................................................. 213
Application.................................................................................214
System earthing................................................................... 214
Fault infeed from remote end............................................... 216
Load encroachment..............................................................217
Short line application............................................................ 218
Long transmission line application....................................... 219
Parallel line application with mutual coupling....................... 219
Tapped line application........................................................ 226
Series compensation in power systems.................................... 228
Steady state voltage regulation and increase of voltage
collapse limit.........................................................................228
Increase in power transfer....................................................230
Voltage and current inversion...............................................230
Impact of series compensation on protective IED of
adjacent lines....................................................................... 239
Distance protection...............................................................240
Underreaching and overreaching schemes..........................241
Setting guidelines...................................................................... 247
General.................................................................................247
Setting of zone 1.................................................................. 248
Setting of overreaching zone................................................248
Setting of reverse zone........................................................ 249
Series compensated and adjacent lines...............................249
Setting of zones for parallel line application......................... 254
Setting of reach in resistive direction....................................255
Load impedance limitation, without load encroachment
function.................................................................................256
Zone reach setting higher than minimum load impedance...258
Parameter setting guidelines................................................259
Pole slip protection PSPPPAM ......................................................261
Identification.............................................................................. 262
Application.................................................................................262
Setting guidelines...................................................................... 265
Setting example for line application......................................267
Setting example for generator application............................271
Out-of-step protection OOSPPAM .................................................275
Identification.............................................................................. 275
Table of contents
Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062 5
Application manual