Siemens SIPROTEC 4 7VK61 - Under and Over-Voltage Protection (Optional)

Under and over-voltage protection (optional)
Phase-to-earth overvoltage
Over voltage 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
OvervoltageU
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
Dropout to pickup ratio 0.30 to 0.99 Increments 0.01
Pickup time
Dropout time approx. 30 ms
Tolerances Voltages 3 % of set value or 1 V
Times 1 % of setting value or 10 ms
Phase-to-phase overvoltages
OvervoltageU
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
OvervoltageU
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
Dropout to pickup ratio 0.30 to 0.99 Increments 0.01
Pickup time
Dropout time approx. 30 ms
Tolerances Voltages 3 % of set value or 1 V
Times 1 % of setting value or 10 ms
Overvoltage positive sequence system U
1
OvervoltageU
1
>> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
U1>>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Overvoltage U
1
> 2.0 V to 220.0 V; ∞ Increments 0.1 V
Delay T
U1>
0.00 s to 100.00 s; ∞ Increments 0.01 s
Dropout ratio 0.30 to 0.99 Increments 0.01
Pick-up times Approx. 35 ms (50 Hz)/Approx. 30 ms (60 Hz)
Dropout time Approx. 30 ms
Tolerances Voltages 3 % of setting value or 1 V
Times 1 % of setting value or 10 ms
Overvoltage negative sequence system U
2
OvervoltageU
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
OvervoltageU
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
Dropout to pickup ratio 0,30 to 0,99 Increments 0.01
Pickup time
Dropout time Approx. 30 ms
4.5
Technical Data
4.5 Under and over-voltage protection (optional)
244 SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018