Siemens SIPROTEC 7SD610 Manual page 347

Inverse Time Stages (ANSI)
Pickup value Ip>I
(phases)
Pickup threshold3I0p PICKUP
(Earth)
Time factors
Additional time delays
Tolerances
Pickup and dropout thresholds I
Pickup time 2 ≤ I/I ≤ 20 and D
P
Pickup time 2 ≤ I/3I ≤ 20 and D
0P
Defined times
Pickup value Ip> Dir.I
(directional phases)
Pickup value 3I0p Dir.I
(directional earth)
Time factors
(directional stages)
Additional time delays
(directional stages)
Tolerances (directional stages)
Pickup and dropout thresholds I
Pickup time 2 ≤ I/I ≤ 20 and D
PDir
Pickup time 2 ≤ I/3I ≤ 20 and D
0PDir
Characteristics
Defined times
SIPROTEC, 7SD610, Manual
C53000-G1176-C145-6, Release date 02.2011
for I = 1 A
N
for I = 5 A
N
for I = 1 A
N
for I = 5 A
N
Time Dial TD Ip
(Phases)
TimeDial TD3I0p
(Earth)
T Ip Add (Phases) 0.00 s to 30.00 s
T 3I0p Add (Earth) 0.00 s to 30.00 s
, 3I
P 0P
≥ 1 s
IP
≥ 1 s
3I0P
for I = 1 A
N
for I = 5 A
N
for I = 1 A
N
for I = 5 A
N
D Ip Dir. (Phases) 0.50 s to 15.00 s
D 3I0p Dir. (Earth) 0.50 s to 15.00 s
T Ip Add Dir.
(Phases)
T 3I0p Add Dir.
(Earth)
, 3I
PDir 0PDir
≥ 1 s
IPDir
≥ 1 s
3I0PDir
4.8 Backup Time Overcurrent Protection
0.10 A to 4.00 A
or ∞ (disabled)
0.50 A to 20.00 A
or ∞ (disabled)
0.05 A to 4.00 A
or ∞ (disabled)
0.25 A to 20.00 A
or ∞ (disabled)
0.50 s to 15.00 s
or ∞ (ineffective)
0.50 s to 15.00 s
or ∞ (ineffective)
3 % of setting value or 1 % of nominal current
5 % of setting value or ± 15 ms
5 % of setting value or ± 15 ms
1 % of setting value or 10 ms
0.10 A to 4.00 A
or ∞ (disabled)
0.50 A to 20.00 A
or ∞ (disabled)
0.05 A to 4.00 A
or ∞ (disabled)
0.25 A to 20.00 A
or ∞ (disabled)
or ∞ (ineffective)
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 or ± 15 ms
5 % of setting value or ± 15 ms
See Figure 4-3 and 4-4
1 % of set value or 10 ms
Technical Data
Increment 0.01 A
Increment 0.01 A
Increments 0.01 s
Increments 0.01 s
Increments 0.01 s
Increments 0.01 s
Increment 0.01 A
Increment 0.01 A
Increments 0.01 s
Increments 0.01 s
Increments 0.01 s
Increments 0.01 s
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