Functions
2.16 Backup Time Overcurrent Protection
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
315
2.16.4 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
2601 Operating Mode ON
Only Emer. prot
OFF
ON Operating mode
2602 SOTF Time DELAY 0.00 .. 30.00 sec 0.00 sec Trip time delay after SOTF
2610 Iph>> 1A 0.05 .. 50.00 A; ∞ 2.00 A Iph>> Pickup
5A 0.25 .. 250.00 A; ∞ 10.00 A
2611 T Iph>> 0.00 .. 30.00 sec; ∞ 0.30 sec T Iph>> Time delay
2612 3I0>> PICKUP 1A 0.05 .. 25.00 A; ∞ 0.50 A 3I0>> Pickup
5A 0.25 .. 125.00 A; ∞ 2.50 A
2613 T 3I0>> 0.00 .. 30.00 sec; ∞ 2.00 sec T 3I0>> Time delay
2614 I>> Telep/BI NO
YES
YES Instantaneous trip via Tele-
prot./BI
2615 I>> SOTF NO
YES
NO Instantaneous trip after
SwitchOnToFault
2620 Iph> 1A 0.05 .. 50.00 A; ∞ 1.50 A Iph> Pickup
5A 0.25 .. 250.00 A; ∞ 7.50 A
2621 T Iph> 0.00 .. 30.00 sec; ∞ 0.50 sec T Iph> Time delay
2622 3I0> 1A 0.05 .. 25.00 A; ∞ 0.20 A 3I0> Pickup
5A 0.25 .. 125.00 A; ∞ 1.00 A
2623 T 3I0> 0.00 .. 30.00 sec; ∞ 2.00 sec T 3I0> Time delay
2624 I> Telep/BI NO
YES
NO Instantaneous trip via Tele-
prot./BI
2625 I> SOTF NO
YES
NO Instantaneous trip after
SwitchOnToFault
2630 Iph> STUB 1A 0.05 .. 50.00 A; ∞ 1.50 A Iph> STUB Pickup
5A 0.25 .. 250.00 A; ∞ 7.50 A
2631 T Iph STUB 0.00 .. 30.00 sec; ∞ 0.30 sec T Iph STUB Time delay
2632 3I0> STUB 1A 0.05 .. 25.00 A; ∞ 0.20 A 3I0> STUB Pickup
5A 0.25 .. 125.00 A; ∞ 1.00 A
2633 T 3I0 STUB 0.00 .. 30.00 sec; ∞ 2.00 sec T 3I0 STUB Time delay
2634 I-STUB Telep/BI NO
YES
NO Instantaneous trip via Tele-
prot./BI
2635 I-STUB SOTF NO
YES
NO Instantaneous trip after
SwitchOnToFault
2640 Ip> 1A 0.10 .. 4.00 A; ∞∞A Ip> Pickup
5A 0.50 .. 20.00 A; ∞∞A
2642 T Ip Time Dial 0.05 .. 3.00 sec; ∞ 0.50 sec T Ip Time Dial
To Next Page
Loading...
Need help?
General
