Technical Data
4.11 Voltage Protection (Optional)
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
313
4.11
Voltage Protection (Optional)
Overvoltages Phase-to-Ground
Overvoltages Phase-to-Phase
Overvoltage Positive Sequence System V
1
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
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 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