Functions
2.5 Distance Protection
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
143
1902 DELAY FORW. PU 0.00 .. 30.00 sec; ∞ 1.20 sec Trip delay for Forward-
PICKUP
1903 DEL. NON-DIR PU 0.00 .. 30.00 sec; ∞ 1.20 sec Trip delay for non-direc-
tional PICKUP
1910 Iph>> 1A 0.25 .. 10.00 A 1.80 A Iph>> Pickup (overcurrent)
5A 1.25 .. 50.00 A 9.00 A
1911 Iph> 1A 0.10 .. 4.00 A 0.20 A Iph> Pickup (minimum cur-
rent)
5A 0.50 .. 20.00 A 1.00 A
1912 Uph-e (I>>) 20 .. 70 V 48 V Undervoltage (ph-e) at
Iph>>
1913 Uph-e (I>) 20 .. 70 V 48 V Undervoltage (ph-e) at
Iph>
1914 Uph-ph (I>>) 40 .. 130 V 80 V Undervoltage (ph-ph) at
Iph>>
1915 Uph-ph (I>) 40 .. 130 V 80 V Undervoltage (ph-ph) at
Iph>
1916 Iphi> 1A 0.10 .. 8.00 A 0.50 A Iphi> Pickup (minimum
current at phi>)
5A 0.50 .. 40.00 A 2.50 A
1917 Uph-e (Iphi>) 20 .. 70 V 48 V Undervoltage (ph-e) at
Iphi>
1918 Uph-ph (Iphi>) 40 .. 130 V 80 V Undervoltage (ph-ph) at
Iphi>
1919A EFFECT Ï• forward&reverse
Forward
forward&reverse Effective direction of phi-
pickup
1920 ϕ> 30 .. 60 ° 50 ° PHI> pickup (lower set-
point)
1921 ϕ< 90 .. 120 ° 110 ° PHI< pickup (upper set-
point)
1930A 1ph FAULTS PHASE-EARTH
PHASE-PHASEONLY
PHASE-EARTH 1ph-pickup loop selection
(PU w/o earth)
Addr. Parameter C Setting Options Default Setting Comments
To Next Page
Loading...
Need help?
General
