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4
Series compensated and adjacent lines...............................192
Setting of zones for parallel line application......................... 197
Setting of reach in resistive direction....................................198
Load impedance limitation, without load encroachment
function.................................................................................199
Load impedance limitation, with load encroachment
function activated................................................................. 201
Setting of minimum operating currents.................................201
Setting of timers for distance protection zones.................... 201
Phase selection, quad, fixed angle, load encroachment
FDPSPDIS......................................................................................202
Identification.............................................................................. 202
Identification......................................................................... 202
Application................................................................................. 202
Setting guidelines...................................................................... 202
Load encroachment characteristics......................................202
Resistive reach with load encroachment characteristic........208
Minimum operate currents....................................................209
Distance measuring zones, quadrilateral characteristic
ZMQPDIS, ZMQAPDIS, ZDRDIR................................................... 209
Identification.............................................................................. 209
Application................................................................................. 209
System earthing................................................................... 210
Fault infeed from remote end............................................... 213
Load encroachment..............................................................214
Short line application............................................................ 215
Long transmission line application....................................... 216
Parallel line application with mutual coupling....................... 217
Tapped line application........................................................ 223
Setting guidelines...................................................................... 226
General.................................................................................226
Setting of zone 1.................................................................. 226
Setting of overreaching zone................................................226
Setting of reverse zone........................................................ 227
Setting of zones for parallel line application......................... 228
Setting of reach in resistive direction....................................229
Load impedance limitation, without load encroachment
function.................................................................................230
Load impedance limitation, with Phase selection with
load encroachment, quadrilateral characteristic function
activated .............................................................................. 232
Setting of minimum operating currents.................................232
Directional impedance element for quadrilateral
characteristics...................................................................... 232
Line distance protection REL670 2.2 IEC
Application manual
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