Siemens SIPROTEC 7SD80 - Page 314

Technical Data
4.11 Voltage Protection (Optional)
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
314
Overvoltage Negative Sequence System V
2
Overvoltage Zero Sequence System 3V
0
Undervoltages Phase-to-Ground
Overvoltage V
2
>> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
V2>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage V
2
> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
V2>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Dropout ratio 0.30 to 0.99 Increments 0.01
Pickup time approx. 40 ms
Dropout time approx. 35 ms
Tolerances Voltages 3 % of setting value or 1 V
Times 1 % of setting value or 10 ms
Overvoltage 3V
0
>> 1.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
3V0>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage 3V
0
> 1.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
3V0>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Dropout ratio 0.30 to 0.99 Increments 0.01
Pickup time
With repeated measurement approx. 75 ms
Without repeated measurement approx. 40 ms
Dropout time
With repeated measurement approx. 75 ms
Without repeated measurement approx. 35 ms
Tolerances Voltages 3 % of setting value or 1 V
Times 1 % of setting value or 10 ms
Undervoltage V
Ph
<< 1.0 V to 100.0 V Increments 0.1 V
Delay T
VPh<<
0.00 s to 100.00 s; ∞ Increments 0.01 s
Undervoltage V
Ph
< 1.0 V to 100.0 V Increments 0.1 V
Delay T
VPh<
0.00 s to 100.00 s; ∞ Increments 0.01 s
Dropout ratio 1.01 to 1.20 Increments 0.01
Current criterion can be switched on/off
Pickup time approx. 40 ms
Dropout time approx. 35 ms
Tolerances Voltages 3 % of setting value or 1 V
Times 1 % of setting value or 10 ms