Technical Data
4.5 Voltage Protection (optional)
SIPROTEC, 7VK61, Manual
C53000-G1176-C159-3, Release date 05.2009
251
Overvoltage negative sequence system U
2
Overvoltage zero sequence system 3U
0
or any single-phase voltage U
X
Phase-earth Undervoltage
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
Dropout to pickup ratio
0.30 to 0.99
Increments 0.01
Pickup time
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 3U
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 3U
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
Dropout to pickup ratio
0.30 to 0.99
Increments 0.01
Pickup time
With repeated measurement
Approx. 75 ms (50 Hz) / approx. 65 ms (60 Hz)
Without repeated measurement
Approx. 35 ms (50 Hz) / approx. 30 ms (60 Hz)
Dropout time
With repeated measurement
Approx. 75 ms (50 Hz)
Without repeated measurement
Approx. 30 ms (50 Hz)
Tolerances
Voltages
3 % of setting value or 1 V
Times
1 % of setting value or 10 ms
Undervoltage U
Ph
<<
1.0 V to 100.0 V
Increments 0.1V
Delay T
UPh<<
0.00 s to 100.00 s;
∞
Steps 0.01 s
Undervoltage U
Ph
<
1.0 V to 100.0 V
Increments 0.1V
Delay T
UPh<
0.00 s to 100.00 s;
∞
Steps 0.01 s
Dropout to pickup ratio
1,01-1,20
Steps 0.01
Current criterion
Can be switched on/off
Pickup time
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 set value or 10 ms
Summary of Contents for Siprotec 7VK61
Page 8: ...Preface SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 8 ...
Page 14: ...Contents SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 14 ...
Page 316: ...Literature SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 316 ...
Page 328: ...Glossary SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 328 ...