Faulty Phase Identification With Load Encroachment Fmpspdis; Distance Protection Zones, Quadrilateral Characteristic, Separate Settings Zmrpdis - ABB Relion 670 Series Commissioning Manual

1MRK 504 165-UEN E
IEC07000010 V4 EN-US
Figure 30: Proposed test points for phase-to-earth faults
Table 25:
Test
points
1
2
3
Check also in the same way as for phase-to-earth fault for each test point that the output
signals STPE, are activated where x refers to the actual phase to be tested. After the timer
for the zone has elapsed, also the signals TRIP, TRPE and TRx shall be activated.
11.4.4

Faulty phase identification with load encroachment FMPSPDIS

There is no specific test routine for this function. The function is tested in conjunction with
other impedance (mho) functions.
11.4.5 Distance protection zones, quadrilateral characteristic,
separate settings ZMRPDIS
Prepare the IED for verification of settings as outlined in section
chapter.
Consider releasing Zone 1 with the Phase selection with load encroachment, quadrilateral
characteristic (FRPSDPIS). If the autorecloser is not released and in service, trip will always be
three phase.
Measure operating characteristics during constant current conditions. Keep the measured
current as close as possible to its rated value or lower. But make sure it is higher than 30% of
the rated current.
Transformer protection RET670
Commissioning manual
X
50%
ZAngPE
Test points for phase-to-earth loops L1-L2 (Ohm/Loop)
Reach Value
X ZPE · sin(ZAngPE)
R ZPE · cos(ZAngPE)
X 0,5·ZPE · sin(ZAngPE)
R 0,5·ZPE + ΔR = 0,5·ZPE · (1 - cos(ZAngPE))
X 0,5·ZPE·sin(ZangPE)
R 0,5·ZPE - ΔR = 0,5·ZPE · (1 - cos(ZAngPE))
© Copyright 2017 ABB. All rights reserved
Testing functionality by secondary injection
R
Ohm/loop
IEC07000010-4-en.vsd
Comments
"Preparing for test"
Section 11
tPE
GUID-79761A97-A99A-4788-94A5-341308DF6E45 v3
GUID-A35C2DED-70A6-4E96-864D-3A6C1147B350 v3
in this
115