Inverse Time Elements (ANSI)
Pickup value
51-B PICKUP
(phases)
for
Ι
Nom
= 1 A
0.10 A to 4.00 A
or ∞ (ineffective)
Increments 0.01 A
for
Ι
Nom
= 5 A
0.50 A to 20.00 A
or ∞ (ineffective)
Pickup value
51N-B PICKUP
(ground)
for
Ι
Nom
= 1 A
0.05 A to 4.00 A
or ∞ (ineffective)
Increments 0.01 A
for
Ι
Nom
= 5 A
0.25 A to 20.00 A
or ∞ (ineffective)
Time multipliers
51-B TD ANSI
(phases)
0.50 s to 15.00 s
or ∞ (ineffective)
Increments 0.01 s
51N-B TD ANSI
(ground)
0.50 s to 15.00 s
or ∞ (ineffective)
Increments 0.01 s
Additional time delays
51-B AddT-
DELAY
(phases)
0.00 s to 30.00 s
Increments 0.01 s
51N-B AddT-
delay
(ground)
0.00 s to 30.00 s
Increments 0.01 s
Tolerances
Pickup, dropout thresholds
Ι
P
, 3
Ι
0P
3 % of setting value or 1 % nominal current
Pickup time 2 ≤
Ι
/
Ι
P
≤ 20 and D
Ι
P
≥ 1 s
Pickup time 2 ≤
Ι
/3
Ι
0P
≤ 20 and D
3
Ι
0P
≥ 1 s
5 % of setting value ± 15 ms
5 % of setting value ± 15 ms
defined times
1 % of setting value or 10 ms
Pickup value
67-TOC PICKUP
(directional phases)
for
Ι
Nom
= 1 A
0.10 A to 4.00 A
or ∞ (ineffective)
Increments 0.01 A
for
Ι
Nom
= 5 A
0.50 A to 20.00 A
or ∞ (ineffective)
Pickup value
67N-TOC PICKUP
(directional ground)
for
Ι
Nom
= 1 A
0.05 A to 4.00 A
or ∞ (ineffective)
Increments 0.01 A
for
Ι
Nom
= 5 A
0.25 A to 20.00 A
or ∞ (ineffective)
Time multipliers
(directional phases)
67-TOC TD
ANSI
(phases)
0.50 s to 15.00 s
or ∞ (ineffective)
Increments 0.01 s
67N-TOC TD
ANSI
(ground)
0.50 s to 15.00 s
or ∞ (ineffective)
Increments 0.01 s
Additional time delays
(directional phases)
67-TOC
AddTDel.
(phases)
0.00 s to 30.00 s
Increments 0.01 s
67N-TOC
AddTDel
(ground)
0.00 s to 30.00 s
Increments 0.01 s
Tolerances (directional elements)
Pickup, dropout thresholds
Ι
Pdir
, 3
Ι
0Pdir
3 % of setting value or 1 % nominal current
Pickup time 2 ≤
Ι
/
Ι
Pdir
≤ 20 and D
Ι
Pdir
≥ 1 s
Pickup time 2 ≤
Ι
/3
Ι
0Pdir
≤ 20 and D
3
Ι
0Pdir
≥ 1 s
5 % of setting value ± 15 ms
5 % of setting value ± 15 ms
Characteristics
defined times
1 % of setting value or 10 ms
Technical Data
4.7 Time Overcurrent Protection
270
SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018
Summary of Contents for SIPROTEC 4 7SD80
Page 8: ...8 SIPROTEC 4 7SD80 Manual E50417 G1100 C474 A2 Edition 02 2018 ...
Page 10: ...10 SIPROTEC 4 7SD80 Manual E50417 G1100 C474 A2 Edition 02 2018 ...
Page 18: ...18 SIPROTEC 4 7SD80 Manual E50417 G1100 C474 A2 Edition 02 2018 ...
Page 248: ...248 SIPROTEC 4 7SD80 Manual E50417 G1100 C474 A2 Edition 02 2018 ...
Page 298: ...298 SIPROTEC 4 7SD80 Manual E50417 G1100 C474 A2 Edition 02 2018 ...
Page 312: ...312 SIPROTEC 4 7SD80 Manual E50417 G1100 C474 A2 Edition 02 2018 ...
Page 322: ...322 SIPROTEC 4 7SD80 Manual E50417 G1100 C474 A2 Edition 02 2018 ...
Page 400: ...400 SIPROTEC 4 7SD80 Manual E50417 G1100 C474 A2 Edition 02 2018 ...
Page 402: ...402 SIPROTEC 4 7SD80 Manual E50417 G1100 C474 A2 Edition 02 2018 ...