Siemens SIPROTEC 4 7SD80

Tolerances Voltages 3 % of setting value or 1 V
Times 1 % of setting value or 10 ms
Overvoltage Zero Sequence System 3V
0
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
Undervoltages Phase-to-Ground
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
Undervoltages Phase-to-Phase
Undervoltage V
PhPh
<< 1.0 V to 175.0 V Increments 0.1 V
Delay T
VPhPh<<
0.00 s to 100.00 s; ∞ Increments 0.01 s
Undervoltage V
PhPh
< 1.0 V to 175.0 V Increments 0.1 V
Delay T
VPhPh<
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
Undervoltage Positive Sequence System V
1
Undervoltage V
1
<< 1.0 V to 100.0 V Increments 0.1 V
Delay T
V1<<
0.00 s to 100.00 s; ∞ Increments 0.01 s
Technical Data
4.11 Voltage Protection (Optional)
SIPROTEC 4, 7SD80, Manual 279
E50417-G1100-C474-A2, Edition 02.2018