ABB RELION RET670, Commissioning Manual, Page: 10 / 328

Completing the test.....................................................................109
Restricted earth fault protection, low impedance REFPDIF (87N).. 110
Verifying the settings.................................................................. 110
Completing the test.....................................................................110
Additional security logic for differential protection LDRGFC (11).... 110
Verifying the settings.................................................................. 110
Completing the test.....................................................................112
Impedance protection........................................................................... 112
Distance protection zones, quadrilateral characteristic
ZMQPDIS (21).................................................................................112
Measuring the operating limit of set values................................ 116
Measuring the operating time of distance protection zones....... 117
Completing the test.....................................................................117
Phase selection, quad, fixed angle, load encroachment
FDPSPDIS (21)............................................................................... 118
Measuring the operating limit of set values................................ 120
Completing the test.....................................................................121
Full scheme distance protection, mho characteristic ZMHPDIS (21)121
Phase-to-phase faults.................................................................122
Phase-to-ground faults............................................................... 122
Faulty phase identification with load encroachment FMPSPDIS
(21).................................................................................................. 123
Distance protection zones, quadrilateral characteristic, separate
settings ZMRPDIS (21)....................................................................124
Measuring the operating limit of set values................................ 127
Measuring the operating time of distance protection zones....... 128
Phase selection, quadrilateral characteristic with settable angle
FRPSPDIS (21)............................................................................... 128
Measuring the operating limit of set values................................ 131
Completing the test.....................................................................132
High speed distance protection zones, quadrilateral and mho
characteristic ZMFPDIS (21)........................................................... 132
Measuring the operating limit of set values................................ 135
Measuring the operating time of distance protection zones....... 136
Completing the test.....................................................................136
High Speed distance for series compensated line zones,
quadrilateral and mho characteristic ZMFCPDIS (21).....................137
Measuring the operating limit of set values................................ 140
Measuring the operating time of distance protection zones....... 141
Completing the test.....................................................................141
Power swing detection ZMRPSB (68)............................................. 142
Table of contents
4 Transformer protection RET670 2.2 ANSI
Commissioning manual