Siemens SIPROTEC 7SD80 Manual page 304

Technical Data
4.7 Time Overcurrent Protection
Inverse Time Current Elements (IEC)
Pickup value 51-B PICKUP
(phases)
Pickup value 51N-B PICKUP
(ground)
Time multipliers
Additional time delays
Tolerances
Pickup, dropout thresholds I
Pickup time 2 ≤ I/I ≤ 20 and T
P
Pickup time 2 ≤ I/3I ≤ 20 and T
0P
defined times
Pickup value 67-TOC PICKUP
(directional phases)
Pickup value 67N-TOC PICKUP
(Earth directional)
Time multipliers
(directional elements)
Additional time delays
(directional elements)
Tolerances (directional elements)
Pickup, dropout thresholds I
Pickup time 2 ≤ I/I ≤ 20 and T
Pdir
Pickup time 2 ≤ I/3I ≤ 20 and T
0Pdir
defined times
Characteristics
defined times
304
for I = 1 A
Nom
for I = 5 A
Nom
for I = 1 A
Nom
for I = 5 A
Nom
51-B TD IEC
(phases)
51N-B TD IEC
(ground)
51-B AddT-DELAY
(phases)
51N-B AddTdelay
(ground)
, 3I
P 0P
≥ 1 s
IP
≥ 1 s
3I0P
for I = 1 A
Nom
for I = 5 A
Nom
for I = 1 A
Nom
for I = 5 A
Nom
67-TOC TD IEC
(phases)
67N-TOC TD IEC
(ground)
67-TOC AddTDel.
(phases)
67N-TOC AddTDel
(ground)
, 3I
Pdir 0Pdir
≥ 1 s
IPdir
≥ 1 s
3I0Pdir
0.10 A to 4.00 A
or ∞ (ineffective)
0.50 A to 20.00 A
or ∞ (ineffective)
0.05 A to 4.00 A
or ∞ (ineffective)
0.25 A to 20.00 A
or ∞ (ineffective)
0.05 s to 3.00 s
or ∞ (ineffective)
0.05 s to 3.00 s
or ∞ (ineffective)
0.00 s to 30.00 s
0.00 s to 30.00 s
3 % of setting value or 1 % of nominal current
5 % of setting value ± 15 ms
5 % of setting value ± 15 ms
1 % of setting value or 10 ms
0.10 A to 4.00 A
or ∞ (ineffective)
0.50 A to 20.00 A
or ∞ (ineffective)
0.05 A to 4.00 A
or ∞ (ineffective)
0.25 A to 20.00 A
or ∞ (ineffective)
0.05 s to 3.00 s
or ∞ (ineffective)
0.05 s to 3.00 s
or ∞ (ineffective)
0.00 s to 30.00 s
0.00 s to 30.00 s
3 % of setting value or 1 % of nominal current
5 % of setting value ± 15 ms
5 % of setting value ± 15 ms
1 % of setting value or 10 ms
See Figure 4-3
1 % of setting value or 10 ms
E50417-G1140-C474-A1, Release date 09.2011
Increments 0.01 A
Increments 0.01 A
Increments 0.01 s
Increments 0.01 s
Increments 0.01 s
Increments 0.01 s
Increments 0.01 A
Increments 0.01 A
Increments 0.01 s
Increments 0.01 s
Increments 0.01 s
Increments 0.01 s
SIPROTEC, 7SD80, Manual