Siemens SIPROTEC 7SD80 Manual page 314

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