Siemens siprotec 7SA522 - Undervoltage and Overvoltage Protection Data (optional)

4.15 Undervoltage and Overvoltage Protection (optional)
471
7SA522 Manual
C53000-G1176-C155-3
4.15 Undervoltage and Overvoltage Protection (optional)
Overvoltage Phase-Earth
Overvoltage Phase–Phase
Overvoltage Positive Sequence System U
1
Overvoltage U
Ph
>> 1.0 V to 170.0 V; ∞ Increments 0.1V
Delay T
UPh>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage U
Ph
> 1.0 V to 170.0 V; ∞ Increments 0.1V
Delay T
UPh>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Drop-off to pick-up ratio 0.30 to 0.98 Increments 0.01
Pickup time Approx. 35 ms (50 Hz) / approx. 30 ms (60 Hz)
Drop-off time Approx. 30 ms
Tolerances Voltages 3 % of setting value or 1 V
Times 1 % of setting value or 10 ms
Overvoltage U
PhPh
>> 2.0 V to 220.0 V; ∞ Increments 0.1V
Delay T
UPhPh>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage U
PhPh
> 2.0 V to 220.0 V; ∞ Increments 0.1V
Delay T
UPhPh>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Drop-off to pick-up ratio 0.30 to 0.98 Increments 0.01
Pickup time Approx. 35 ms (50 Hz) / approx. 30 ms (60 Hz)
Drop-off time 30 ms
Tolerances Voltages 3 % of setting value or 1 V
Times 1 % of setting value or 10 ms
Overvoltage U
1
>> 2.0 V to 220.0 V; ∞ Increments 0.1V
Delay T
U1>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage U
1
> 2.0 V to 220.0 V; ∞ Increments 0.1V
Delay T
U1>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Drop-off to pick-up ratio 0.30 to 0.98 Increments 0.01
Compounding Can be switched on/off
Pickup time Approx. 35 ms (50 Hz) / approx. 30 ms (60 Hz)
Drop-off time Approx. 30 ms
Tolerances Voltages 3 % of setting value or 1 V
Times 1 % of setting value or 10 ms