Siemens siprotec 7SA6 User Manual page 645

Overcurrent stage
(inverse time acc.
IEC)
Overcurrent stage
(inverse time acc.
ANSI)
Overcurrent stage
(logarithmic in-
verse)
Zero Sequence
Voltage - U inverse
0
7SA6 Manual
C53000-G1176-C133-1
Pickup value
Time factor
Additional time delay
Characteristics
Tolerances
1) Secondary values based on I
Pickup value
Time factor
Additional time delay
Characteristics
Tolerances
1) Secondary values based on I
Pickup value
Startstromfaktor
Time factor
Maximal zeit
Minimalzeit
Additional time delay
Tolerances
1) Secondary values based on I
Pickup values
Voltage factor
Additional delay times
3I 0.05 A to 4.00 A
0P
or 0.003 A to 4.000 A
T 0.05 s to 3.00 s
3I0P
or ∞ (ineffective)
T 0.00 s to 30.00 s
3I0Pverz
or ∞ (ineffective)
see Figure 10-1
pickup at 1.05 ≤ I/3I
current
5 % ± 15 ms for 2 ≤ I/3I
times
= 1 A; for I = 5 A the current values must be multiplied by 5.
N N
3I 0.05 A to 4.00 A
0P
or 0.003 A to 4.000 A
D 0.50 s to 15.00 s
3I0P
or ∞ (ineffective)
T 0.00 s to 30.00 s
3I0Pverz
or ∞ (ineffective)
see Figures 10-2 and 10-3
pickup at 1.05 ≤ I/3I
current
5 % ± 15 ms for 2 ≤ I/3I
times
= 1 A; for I = 5 A the current values must be multiplied by 5.
N N
3I 0.05 A to 4.00 A
0P
or 0.003 A to 4.000 A
3 1.0 to 4.0
I0P FAKTOR
T 0.05 s to 15.00 s
3I0P
or ∞ (ineffective)
T 0.00 s to 30.00 s
3I0P max
or ∞ (ineffective)
T 0.00 s to 30.00 s
3I0P min
or ∞ (ineffective)
T 0.00 s to 30.00 s
3I0Pverz
characteristics see Figure 10-4
5 % ± 15 ms für 2 ≤ I/3I
times
def. times 1 % of set value or 10 ms
= 1 A; for I = 5 A the current values must be multiplied by 5.
N N
3I 0.05 A to 25.00 A
0P
3U > 1.0 V to 10.0 V
0
U 0.1 V to 5 V
0 inv.min
characteristics see Figure 10-5
Tforw 0.00 s to 32.00 s
Trev 0.00 s to 32.00 s
Technical Data
1
) (steps 0.01 A)
1
) (steps 0.001 A
(steps 0.01 s)
(steps 0.01 s)
≤ 1.15
0P
≤ 20
0P
/s ≥ 1
and T
3I0P
1
) (steps 0.01 A)
1
) (steps 0.001 A
(steps 0.01 s)
(steps 0.01 s)
≤ 1.15
0P
≤ 20
0P
/s ≥ 1
and D
3I0P
1
) (steps 0.01 A)
1
) (steps 0.001 A
(steps 0.1)
(steps 0.01 s)
(steps 0.01 s)
(steps 0.01 s)
(steps 0.01 s)
≤ 20
0P
/s ≥ 1
und T
3I0P
1
) (steps 0.01 A)
(steps 0.1 V)
(steps 0.1 V)
(steps 0.01 s)
(steps 0.01 s)
1
)
1
)
1
)
10-17