ABB REL670 2.2 IEC - Page 12

Setting of overreaching zone................................................276
Setting of reverse zone........................................................ 277
Setting of zones for parallel line application......................... 278
Setting of reach in resistive direction....................................279
Load impedance limitation, without load encroachment
function.................................................................................280
Load impedance limitation, with load encroachment
function activated................................................................. 281
Setting of minimum operating currents.................................281
Setting of timers for distance protection zones.................... 282
Additional distance protection directional function for earth
faults ZDARDIR.............................................................................. 282
Identification.............................................................................. 282
Application.................................................................................282
Setting guidelines...................................................................... 282
Mho impedance supervision logic ZSMGAPC................................285
Identification.............................................................................. 285
Application.................................................................................285
Setting guidelines...................................................................... 285
Faulty phase identification with load encroachment FMPSPDIS....286
Identification.............................................................................. 286
Application.................................................................................286
Setting guidelines...................................................................... 287
Load encroachment..............................................................288
Distance protection zone, quadrilateral characteristic, separate
settings ZMRPDIS, ZMRAPDIS and ZDRDIR................................289
Identification.............................................................................. 290
Application.................................................................................290
System earthing................................................................... 290
Fault infeed from remote end............................................... 294
Load encroachment..............................................................295
Short line application............................................................ 296
Long transmission line application....................................... 296
Parallel line application with mutual coupling....................... 297
Tapped line application........................................................ 304
Setting guidelines...................................................................... 306
General.................................................................................306
Setting of zone 1.................................................................. 306
Setting of overreaching zone................................................306
Setting of reverse zone........................................................ 307
Setting of zones for parallel line application......................... 308
Setting of reach in resistive direction....................................309
Load impedance limitation, without load encroachment
function.................................................................................310
Table of contents
6 Line distance protection REL670 2.2 IEC
Application manual