Siemens SIPROTEC 7SD610 - Page 348

4 Technical Data
348
7SD610 Manual
C53000-G1176-C145-4
Overvoltage negative sequence system U
2
Overvoltage zero sequence system 3U
0
or any single-phase voltage U
X
Phase-earth undervoltages
Overvoltage U
2
>> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
U2>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage U
2
>> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
U2>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Drop-off to pickup ratio 0.30 to 0.99 Increment 0.01
Pickup time approx. 40 ms
Dropout time approx. 35 ms
Tolerances
Voltages 3 % of setting value or 1 V
Times 1 % of set value or 10 ms
Overvoltage U
0
>> 1.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
3U0>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage U
0
> 1.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
3U0>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Drop-off to pickup ratio 0.30 to 0.99 Increment 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 set value or 10 ms
Undervoltage U
Ph
<< 1.0 V to 100.0 V Increments 0.1 V
Delay T
UPh<<
0.00 s to 100.00 s; ∞ Increments 0.01 s
Undervoltage U
Ph
< 1.0 V to 100.0 V Increments 0.1 V
Delay T
UPh<
0.00 s to 100.00 s; ∞ Increments 0.01 s
Drop-off to pickup ratio 1,01-1,20 Increment 0.01
Current criterion Can be switched on/off
Pickup time ca. 40 ms
Dropout time approx. 35 ms
Tolerances
Voltages 3 % of setting value or 1 V
Times 1 % of set value or 10 ms
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