Siemens SIPROTEC 4 7SD80

Voltage Protection (Optional)
Overvoltages Phase-to-Ground
Overvoltage V
Ph
>> 1.0 V to 170.0 V; ∞ Increments 0.1 V
Delay T
VPh>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage V
Ph
> 1.0 V to 170.0 V; ∞ Increments 0.1 V
Delay T
VPh>
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
Overvoltages Phase-to-Phase
Overvoltage V
PhPh
>> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
VPhPh>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage V
PhPh
> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
VPhPh>
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 Positive Sequence System V
1
Overvoltage V
1
>> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
V1>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage V
1
> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
V1>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Dropout ratio 0.30 to 0.99 Increments 0.01
Compounding 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
Overvoltage Negative Sequence System V
2
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
4.11
Technical Data
4.11 Voltage Protection (Optional)
278 SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018