
11.3.5.2 Completing the test.......................................................................................................... 101
11.4 Impedance protection..............................................................................................................101
11.4.1 Distance protection zones, quadrilateral characteristic ZMQPDIS (21) ............................... 101
11.4.1.1 Measuring the operating limit of set values......................................................................105
11.4.1.2 Measuring the operating time of distance protection zones.............................................105
11.4.1.3 Completing the test.......................................................................................................... 106
11.4.2 Phase selection, quad, fixed angle, load encroachment FDPSPDIS (21).............................106
11.4.2.1 Measuring the operating limit of set values......................................................................108
11.4.2.2 Completing the test.......................................................................................................... 108
11.4.3 Full scheme distance protection, mho characteristic ZMHPDIS (21) ................................... 109
11.4.3.1 Phase-to-phase faults...................................................................................................... 109
11.4.3.2 Phase-to-ground faults .................................................................................................... 110
11.4.4 Faulty phase identification with load encroachment FMPSPDIS (21) ...................................111
11.4.5 Distance protection zones, quadrilateral characteristic, separate settings ZMRPDIS (21)....111
11.4.5.1 Measuring the operating limit of set values ..................................................................... 114
11.4.5.2 Measuring the operating time of distance protection zones ............................................ 115
11.4.6 Phase selection, quadrilateral characteristic with settable angle FRPSPDIS (21)................ 115
11.4.6.1 Measuring the operating limit of set values...................................................................... 117
11.4.6.2 Completing the test...........................................................................................................118
11.4.7 High speed distance protection zones, quadrilateral and mho characteristic ZMFPDIS
(21) ....................................................................................................................................... 118
11.4.7.1 Function revision history...................................................................................................118
11.4.7.2 Verifying the settings........................................................................................................ 119
11.4.7.3 Measuring the operating limit of set values .....................................................................122
11.4.7.4 Measuring the operating time of distance protection zones.............................................123
11.4.7.5 Completing the test.......................................................................................................... 123
11.4.8 High Speed distance for series compensated line zones, quadrilateral and mho
characteristic ZMFCPDIS (21) ............................................................................................. 123
11.4.8.1 Function revision history...................................................................................................123
11.4.8.2 Verifying the settings........................................................................................................ 123
11.4.8.3 Measuring the operating limit of set values .....................................................................127
11.4.8.4 Measuring the operating time of distance protection zones.............................................127
11.4.8.5 Transient directional element........................................................................................... 128
11.4.8.6 Completing the test.......................................................................................................... 128
11.4.9 Power swing detection, blocking and unblocking ZMBURPSB............................................. 128
11.4.9.1 Function revision history...................................................................................................128
11.4.9.2 Verifying the signal and settings.......................................................................................128
11.4.9.3 Completing the test.......................................................................................................... 135
11.4.10 Power swing logic PSLPSCH................................................................................................135
11.4.10.1 Function revision history...................................................................................................135
11.4.10.2 Testing the carrier send and trip signals...........................................................................136
11.4.10.3 Testing the influence of the residual overcurrent protection.............................................136
11.4.10.4 Checking the underreaching zone....................................................................................136
Table of contents 1MRK 505 378-UUS Rev. J
4Line differential protection RED670
Commissioning manual
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