Siemens siprotec 7SA6 - Page 645

Technical Data
10-177SA6 Manual
C53000-G1176-C133-1
Overcurrent stage
(inverse time acc.
IEC)
Pickup value 3I
0P
0.05 A to 4.00 A
1
) (steps 0.01 A)
or 0.003 A to 4.000 A
1
) (steps 0.001 A
1
)
Time factor T
3I0P
0.05 s to 3.00 s (steps 0.01 s)
or ∞ (ineffective)
Additional time delay T
3I0Pverz
0.00 s to 30.00 s (steps 0.01 s)
or ∞ (ineffective)
Characteristics see Figure 10-1
Tolerances current pickup at 1.05 ≤ I/3I
0P
≤ 1.15
times 5 % ± 15 ms for 2 ≤ I/3I
0P
≤ 20
and T
3I0P
/s ≥ 1
1) Secondary values based on I
N
= 1 A; for I
N
= 5 A the current values must be multiplied by 5.
Overcurrent stage
(inverse time acc.
ANSI)
Pickup value 3I
0P
0.05 A to 4.00 A
1
) (steps 0.01 A)
or 0.003 A to 4.000 A
1
) (steps 0.001 A
1
)
Time factor D
3I0P
0.50 s to 15.00 s (steps 0.01 s)
or ∞ (ineffective)
Additional time delay T
3I0Pverz
0.00 s to 30.00 s (steps 0.01 s)
or ∞ (ineffective)
Characteristics see Figures 10-2 and 10-3
Tolerances current pickup at 1.05 ≤ I/3I
0P
≤ 1.15
times 5 % ± 15 ms for 2 ≤ I/3I
0P
≤ 20
and D
3I0P
/s ≥ 1
1) Secondary values based on I
N
= 1 A; for I
N
= 5 A the current values must be multiplied by 5.
Overcurrent stage
(logarithmic in-
verse)
Pickup value 3I
0P
0.05 A to 4.00 A
1
) (steps 0.01 A)
or 0.003 A to 4.000 A
1
) (steps 0.001 A
1
)
Startstromfaktor 3
I0P FAKTOR
1.0 to 4.0 (steps 0.1)
Time factor T
3I0P
0.05 s to 15.00 s (steps 0.01 s)
or ∞ (ineffective)
Maximal zeit T
3I0P max
0.00 s to 30.00 s (steps 0.01 s)
or ∞ (ineffective)
Minimalzeit T
3I0P min
0.00 s to 30.00 s (steps 0.01 s)
or ∞ (ineffective)
Additional time delay T
3I0Pverz
0.00 s to 30.00 s (steps 0.01 s)
characteristics see Figure 10-4
Tolerances
times 5 % ± 15 ms für 2 ≤ I/3I
0P
≤ 20
und T
3I0P
/s ≥ 1
def. times 1 % of set value or 10 ms
1) Secondary values based on I
N
= 1 A; for I
N
= 5 A the current values must be multiplied by 5.
Zero Sequence
Voltage - U
0
inverse
Pickup values 3I
0P
0.05 A to 25.00 A
1
) (steps 0.01 A)
3U
0
> 1.0 V to 10.0 V (steps 0.1 V)
Voltage factor U
0 inv.min
0.1 V to 5 V (steps 0.1 V)
characteristics see Figure 10-5
Additional delay times Tforw 0.00 s to 32.00 s (steps 0.01 s)
Trev 0.00 s to 32.00 s (steps 0.01 s)