Functions
2.1 General
SIPROTEC, 7SD610, Manual
C53000-G1176-C145-6, Release date 02.2011
47
Figure 2-3 Multiple fault on a double-circuit line next to a generator
Address 1156 Trip2phFlt determines that the short-circuit protection functions perform only a single-pole
trip in case of isolated two-phase faults (clear of ground), provided that single-pole tripping is possible and per-
mitted. This allows a single-pole reclose cycle for this kind of fault. You can specify whether the leading phase
(1pole leading Ø), or the lagging phase (1pole lagging Ø) is tripped. The parameter is only available
in versions with single-pole and three-pole tripping. This parameter can only be altered using DIGSI at Addi-
tional Settings. If this possibility is to be used, you have to bear in mind that the phase selection should be the
same throughout the entire network and that it must
be the same at all ends of one line. More information on
the functions is also contained in Section 2.16.1 Pickup Logic of the Entire Device. The presetting 3pole is
usually used.
2.1.4.2 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under Additional Settings.
The table indicates region-specific presettings. Column C (configuration) indicates the corresponding second-
ary nominal current of the current transformer.
Addr. Parameter C Setting Options Default Setting Comments
1103 FullScaleVolt. 0.4 .. 1200.0 kV 400.0 kV Measurement: Full Scale
Voltage (100%)
1104 FullScaleCurr. 10 .. 10000 A 1000 A Measurement: Full Scale
Current (100%)
1105 Line Angle 10 .. 89 ° 85 ° Line Angle
1106 OPERATION POWER 0.2 .. 5000.0 MVA 692.8 MVA Operational power of pro-
tection zone
1107 P,Q sign not reversed
reversed
not reversed P,Q operational measured
values sign
1111 x' 1A 0.0050 .. 9.5000 Ω/km 0.1500 Ω/km x' - Line Reactance per
length unit
5A 0.0010 .. 1.9000 Ω/km 0.0300 Ω/km
1111 x' 1A 0.0050 .. 15.0000 Ω/mi 0.2420 Ω/mi x' - Line Reactance per
length unit
5A 0.0010 .. 3.0000 Ω/mi 0.0484 Ω/mi
1112 c' 1A 0.000 .. 100.000 µF/km 0.010 µF/km c' - capacit. per unit line
len. µF/km
5A 0.000 .. 500.000 µF/km 0.050 µF/km
1112 c' 1A 0.000 .. 160.000 µF/mi 0.016 µF/mi c' - capacit. per unit line
len. µF/mile
5A 0.000 .. 800.000 µF/mi 0.080 µF/mi
1113 Line Length 0.1 .. 1000.0 km 100.0 km Line Length
1113 Line Length 0.1 .. 650.0 Miles 62.1 Miles Line Length
To Next Page
Loading...
Need help?
General