Siemens SIPROTEC 4 7VK61 Manual page 245

Tolerances
Overvoltage zero-sequence system 3U
Overvoltage 3U >>
0
Delay T
3U0>>
Overvoltage 3U >
0
Delay T
3U0>
Dropout to pickup ratio
Pickup time
With repeated measurement
Without repeated measurement
Dropout time
With repeated measurement
Without repeated measurement
Tolerances
Phase-to-earth undervoltage
Under voltage U <<
Ph
Delay T
UPh<<
Under voltage U <
Ph
Delay T
UPh<
Dropout to pickup ratio
Current criterion
Pickup time
Dropout time
Tolerances
Undervoltages phase-to-phase
UndervoltageU <<
PhPh
Delay T
UPhPh<<
UndervoltageU <
PhPh
Delay T
UPhPh<
Dropout to pickup ratio
Current criterion
Pickup time
Dropout time
Tolerances
Undervoltage positive sequence system U
UndervoltageU <<
1
Delay T
U1<<
SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018
Voltages 3 % of set value or 1 V
Times 1 % of setting value or 10 ms
or any single-phase voltage U
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,.9
approx. 75 ms (50 Hz)
approx. 30 ms (50 Hz)
Voltages 3 % of set 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. 30 ms
Voltages 3 % of set value or 1 V
Times 1 % of setting value or 10 ms
1.0 V to 175.0 V
0.00 s to 100.00 s; ∞
1.0 V to 175.0 V
0.00 s to 100.00 s; ∞
1.01 to 1.20
Can be switched on/off
Approx. 30 ms
Voltages 3 % of set value or 1 V
Times 1 % of setting value or 10 ms
1
1.0 V to 100.0 V
0.00 s to 100.00 s; ∞
4.5 Under and over-voltage protection (optional)
X
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
Technical Data
245