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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