ABB RELION 670 Series Applications Manual page 12

Table of contents
7.9.2.3 Load encroachment............................................................................................................... 251
7.9.2.4 Short line application............................................................................................................ 252
7.9.2.5 Long transmission line application.................................................................................... 253
7.9.2.6 Parallel line application with mutual coupling................................................................. 253
7.9.2.7 Tapped line application........................................................................................................ 258
7.9.3 Setting guidelines..................................................................................................................... 260
7.9.3.1 General..................................................................................................................................... 260
7.9.3.2 Setting of zone 1.................................................................................................................... 260
7.9.3.3 Setting of overreaching zone.............................................................................................. 260
7.9.3.4 Setting of reverse zone......................................................................................................... 261
7.9.3.5 Setting of zones for parallel line application....................................................................262
7.9.3.6 Setting of reach in resistive direction................................................................................263
7.9.3.7 Load impedance limitation, without load encroachment function............................. 263
7.9.3.8 Load impedance limitation, with Phase selection with load encroachment,
quadrilateral characteristic function activated .............................................................. 265
7.9.3.9 Setting of minimum operating currents........................................................................... 265
7.9.3.10 Setting of timers for distance protection zones.............................................................265
7.10 Phase selection, quadrilateral characteristic with settable angle FRPSPDIS....................266
7.10.1 Identification..............................................................................................................................266
7.10.2 Application..................................................................................................................................266
7.10.3 Load encroachment characteristics......................................................................................270
7.10.3.1 Phase-to-earth fault in forward direction..........................................................................271
7.10.3.2 Phase-to-earth fault in reverse direction.......................................................................... 272
7.10.3.3 Phase-to-phase fault in forward direction........................................................................273
7.10.4 Setting guidelines..................................................................................................................... 274
7.10.4.1 Resistive reach with load encroachment characteristic................................................ 274
7.10.4.2 Minimum operate currents...................................................................................................275
7.11 Phase selection, quadrilateral characteristic with fixed angle FDPSPDIS..........................276
7.11.1 Identification.............................................................................................................................. 276
7.11.1.1 Identification...........................................................................................................................276
7.11.2 Application..................................................................................................................................276
7.11.3 Setting guidelines..................................................................................................................... 276
7.11.3.1 Load encroachment characteristics...................................................................................276
7.11.3.2 Resistive reach with load encroachment characteristic................................................ 282
7.11.3.3 Minimum operate currents.................................................................................................. 282
7.12 High speed distance protection ZMFPDIS............................................................................... 283
7.12.1 Identification..............................................................................................................................283
7.12.2 Application..................................................................................................................................283
7.12.2.1 System earthing..................................................................................................................... 283
7.12.2.2 Fault infeed from remote end............................................................................................. 286
7.12.2.3 Load encroachment............................................................................................................... 287
7.12.2.4 Short line application............................................................................................................ 287
7.12.2.5 Long transmission line application....................................................................................288
7.12.2.6 Parallel line application with mutual coupling................................................................. 288
7.12.2.7 Tapped line application........................................................................................................ 294
7.12.3 Setting guidelines..................................................................................................................... 296
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Application manual