Siemens SIPROTEC 7SD610 - Voltage Protection (Optional)

4.10 Voltage Protection (optional)
347
7SD610 Manual
C53000-G1176-C145-4
4.10 Voltage Protection (optional)
Phase-earth overvoltages
Phase-phase overvoltages
Overvoltage positive sequence systemU
1
Overvoltage U
Ph
>> 1.0V to 170.0V; ∞ Increments 0.1 V
Delay T
UPh>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage U
Ph
> 1.0 V to 170.0 V; ∞ Increments 0.1 V
Delay T
UPh>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Drop-off to pickup ratio 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
PhPh
>> 2.0V to 220.0V; ∞ Increments 0.1 V
Delay T
UPhPh
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage U
PhPh
> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
UPhPh>
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
1
>> 2.0V to 220.0V; ∞ Increments 0.1 V
Delay T
U1>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage U
1
>> 2.0V to 220.0V; ∞ Increments 0.1 V
Delay T
U1>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Drop-off to pickup ratio 0.30 to 0.99 Increment 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 set value or 10 ms
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