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4.17
Undervoltage and Overvoltage Protection (optional)
Phase-earth Overvoltages
Overvoltage U
>>
Ph
Delay T
UPh>>
Overvoltage U
>
Ph
Delay T
UPh>
Dropout ratio
Pickup times (fast relays/high-speed relays)
Dropout time
Tolerances
Phase-phase Overvoltages
Overvoltage U
>>
PhPh
Delay T
UPhPh>>
Overvoltage U
>
PhPh
Delay T
UPhPh>
Dropout ratio
Pickup times (fast relays/high-speed relays)
Dropout time
Tolerances
Overvoltage Positive Sequence System U
Overvoltage U
>>
1
Delay T
U1>>
Overvoltage U
>
1
Delay T
U1>
Dropout ratio
Compounding
Pickup times (fast relays/high-speed relays)
Dropout time
Tolerances
Overvoltage Negative Sequence System U
Overvoltage U
>>
2
Delay T
U2>>
Overvoltage U
>
2
Delay T
U2>
Dropout ratio
Pickup times (fast relays/high-speed relays)
Dropout time
7SD5 Manual
C53000-G1176-C169-1
4.17 Undervoltage and Overvoltage Protection (optional)
1.0 V to 170.0 V; ∞
0.00 s to 100.00 s; ∞
1.0 V to 170.0 V; ∞
0.00 s to 100.00 s; ∞
0.30 to 0.98
approx. 35/30 ms
approx. 30 ms
Voltages
3 % of setting value or 1 V
Times
1 % of setting value or 10 ms
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 0.98
approx. 35/30 ms
approx. 30 ms
Voltages
3 % of setting value or 1 V
Times
1 % of setting value or 10 ms
1
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 0.98
Can be switched on/off
approx. 35/30 ms
approx. 30 ms
Voltages
3 % of setting value or 1 V
Times
1 % of setting value or 10 ms
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 0.98
approx. 35/30 ms
approx. 30 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
Increments 0.1 V
Increments 0.01 s
Increments 0.1 V
Increments 0.01 s
Increments 0.01
561
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