ABB Relion 650 Series Commissioning Manual page 55

1MRK 506 336-UEN B
Table 3:
Test point
1
2
3
4
5
6
7
Table 3
Phase-to-earth fault
4
IEC09000725 V1 EN-US
Figure 11:
Table 4
Line distance protection REL650
Commissioning manual
Test points for phase-to-phase loops L1-L2 (Ohm/phase)
Reach Set value
X Z · Sin (LineAng)
R 0
X 0
F RLdFw
R 0,5 * RFPP
X 0.8 · Z · Sin (LineAng)
R 0.8 · Z · Cos (LineAng) + RFPP/2
X 0.8 · Z · Sin (LineAng)
R -0.8 · Z · Sin (LineAng) ·
tan (ArgNegRes-90)
X 0.5 · RFPP · tan (ArgLd)
R 0.5 · RFPP
X -0.5 RLdFw · tan (ArgDir)
R 0.5 · RLdFw
X 0.5 · Z · Sin (LineAng)
R 0
is used in conjunction with figure 10.
X
1
e
80%
Z
7
50%
a
5
b
d
2
c
6
RLdFw
Distance protection characteristic with test points for phase-to-earth
measurements
is used in conjunction with figure 11.
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Comments
When RLdFw < 0,5 * RFPP
When RLdFw > 0,5 * RFPP
Can be limited by 0,5 * RFPP setting
Only when RLdFw < 0,5 * RFPP
Time measurement
RFPE
3
R W/loop
IEC09000725_1_en.vsd
Section 7
Testing functionality
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