Siemens siprotec 7SA6 - Voltage Protection

Technical Data
10-317SA6 Manual
C53000-G1176-C133-1
10.14 Voltage Protection
Overvoltage
Phase–Earth
Overvoltage U
Ph
>> 1.0 V to 170.0 V (steps 0.1 V)
Time delay T
UPh>>
0.00 s to 30.00 s; ∞ (steps 0.01 s)
Overvoltage U
Ph
> 1.0 V to 170.0 V (steps 0.1 V)
Time delay T
UPh>
0.00 s to 30.00 s; ∞ (steps 0.01 s)
Drop-off to pick-up ratio 0.50 to 0.98 (steps 0.01)
Pick-up time approx. 30 ms
Drop-off time approx. 30 ms
Tolerances voltages 3 % of set value or 1 V
times 1 % of set value or 10 ms
Overvoltage
Phase–Phase
Overvoltage U
PhPh
>> 2.0 V to 220.0 V (steps 0.1 V)
Time delay T
UPhPh>>
0.00 s to 30.00 s; ∞ (steps 0.01 s)
Overvoltage U
PhPh
> 2.0 V to 220.0 V (steps 0.1 V)
Time delay T
UPhPh>
0.00 s to 30.00 s; ∞ (steps 0.01 s)
Drop-off to pick-up ratio 0.50 to 0.98 (steps 0.01)
Pick-up time ca. 30 ms
Drop-off time ca. 30 ms
Tolerances voltages 3 % of set value or 1 V
times 1 % of set value or 10 ms
Overvoltage
Positive Sequence
System U
1
Overvoltage U
1
>> 2.0 V to 220.0 V (steps 0.1 V)
Time delay T
U1>>
0.00 s to 30.00 s; ∞ (steps 0.01 s)
Overvoltage U
1
> 2.0 V to 220.0 V (steps 0.1 V)
Time delay T
U1>
0.00 s to 30.00 s; ∞ (steps 0.01 s)
Drop-off to pick-up ratio 0.50 to 0.98 (steps 0.01)
Pick-up time approx. 30 ms
Drop-off time approx. 30 ms
Tolerances voltages 3 % of set value or 1 V
times 1 % of set value or 10 ms
Overvoltage
Negative Sequence
System U
2
Overvoltage U
2
>> 2.0 V to 220.0 V (steps 0.1 V)
Time delay T
U2>>
0.00 s to 30.00 s; ∞ (steps 0.01 s)
Overvoltage U
2
> 2.0 V to 220.0 V (steps 0.1 V)
Time delay T
U2>
0.00 s to 30.00 s; ∞ (steps 0.01 s)
Drop-off to pick-up ratio 0.50 to 0.98 (steps 0.01)
Pick-up time approx. 30 ms
Drop-off time approx. 30 ms
Tolerances voltages 3 % of set value or 1 V
times 1 % of set value or 10 ms
Overvoltage Zero
Sequence System
3U
0
or any Single-
Phase Voltage U
X
Overvoltage 3U
0
>> 1.0 V to 220.0 V (steps 0.1 V)
Time delay T
3U0>>
0.00 s to 30.00 s; ∞ (steps 0.01 s)
Overvoltage 3U
0
> 1.0 V to 220.0 V (steps 0.1 V)
Time delay T
3U0>
0.00 s to 30.00 s; ∞ (steps 0.01 s)
Drop-off to pick-up ratio 0.50 to 0.98 (steps 0.01)