Siemens SIPROTEC 4 7SD80 Manual page 270

Technical Data
4.7 Time Overcurrent Protection
Inverse Time Elements (ANSI)
Pickup value 51-B PICKUP
(phases)
Pickup value 51N-B PICKUP
(ground)
Time multipliers
Additional time delays
Tolerances
Pickup, dropout thresholds Ι
Pickup time 2 ≤ Ι/Ι ≤ 20 and D
P
Pickup time 2 ≤ Ι/3Ι ≤ 20 and D
0P
defined times
Pickup value 67-TOC PICKUP
(directional phases)
Pickup value 67N-TOC PICKUP
(directional ground)
Time multipliers
(directional phases)
Additional time delays
(directional phases)
Tolerances (directional elements)
Pickup, dropout thresholds Ι
Pickup time 2 ≤ Ι/Ι ≤ 20 and D
Pdir
Pickup time 2 ≤ Ι/3Ι ≤ 20 and D
0Pdir
Characteristics
defined times
270
for Ι = 1 A
Nom
for Ι = 5 A
Nom
for Ι = 1 A
Nom
for Ι = 5 A
Nom
51-B TD ANSI
(phases)
51N-B TD ANSI
(ground)
51-B AddT-
DELAY (phases)
51N-B AddT-
delay (ground)
, 3Ι
P 0P
≥ 1 s
ΙP
≥ 1 s
3Ι0P
for Ι = 1 A
Nom
for Ι = 5 A
Nom
for Ι = 1 A
Nom
for Ι = 5 A
Nom
67-TOC TD
ANSI (phases)
67N-TOC TD
ANSI (ground)
67-TOC
AddTDel.
(phases)
67N-TOC
AddTDel
(ground)
, 3Ι
Pdir 0Pdir
≥ 1 s
ΙPdir
≥ 1 s
3Ι0Pdir
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)
0.50 s to 15.00 s
or ∞ (ineffective)
0.50 s to 15.00 s
or ∞ (ineffective)
0.00 s to 30.00 s
0.00 s to 30.00 s
3 % of setting value or 1 % 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)
0.50 s to 15.00 s
or ∞ (ineffective)
0.50 s to 15.00 s
or ∞ (ineffective)
0.00 s to 30.00 s
0.00 s to 30.00 s
3 % of setting value or 1 % nominal current
5 % of setting value ± 15 ms
5 % of setting value ± 15 ms
see Figure 4-4 and Figure 4-5
1 % of setting value or 10 ms
E50417-G1100-C474-A2, Edition 02.2018
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 4, 7SD80, Manual