Siemens Siprotec 7VK61 Manual page 247

Stub fault protection
Pickup value I >>>(phases)
Ph
Pickup value 3I >>> (earth)
0
Delays
Dropout to pickup ratio
Pickup times (fast relays/high-speed relays)
Dropout times
Tolerances currents
The set times are pure delay times.
SIPROTEC, 7VK61, Manual
C53000-G1176-C159-3, Release date 05.2009
for I = 1 A 0.10 A to 25.00 A
N
or ∞ (ineffective)
for I = 5 A 0.50 A to 125.00 A
N
or ∞ (ineffective)
for I = 1 A 0.05 A to 25.00 A
N
or ∞ (ineffective)
for I = 5 A 0.25 A to 125.00 A
N
or ∞ (ineffective)
T >>> 0.00 s to 30.00 s
IPh
or ∞ (ineffective)
T >>> 0.00 s to 30.00 s
3I0
or ∞ (ineffective)
Approx. 0.95 for I/I
Approx. 25/20 ms
Approx. 30 ms
Currents 3 % of setting value or 1 % nominal current
Times 1 % of setting value or 10 ms
4.3 Time Overcurrent Protection
Increments 0.01 A
Increments 0.01 A
Increments 0.01 s
Increments 0.01 s
≥ 0.5
N
Technical Data
247