Reverse-Power Protection
Setting Values
Reverse power P
reverse
(p.u.) -0.30 % to -30.00 % Increments of 0.01 %
Angle correction -10.00 ° to 10.00 ° Increments of 0.01 °
Minimum voltage V1 0.300 V to 60.000 V Increments of 0.001 V
Tripping delay 0.00 s to 60.00 s 0.00 s to 60.00 s
Tripping delay with quick stop 0.00 s to 60.00 s 0.00 s to 60.00 s
Dropout delay 0.00 s to 60.00 s Increments of 0.01 s
Dropout ratio 0.40 to 0.99 Increments of 0.01
Times
Pickup times Approx. 360 ms at f = 50 Hz
Approx. 300 ms at f = 60 Hz
Dropout times Approx. 360 ms at f = 50 Hz
Approx. 300 ms at f = 60 Hz
Frequency Operating Range
0.9 ≤ f/f
rated
≤ 1.1 According to specified tolerances
10 Hz ≤ f < 0.9 f
rated
1.1 f
rated
< f ≤ 80 Hz
Slightly expanded tolerances
f < 10 Hz
f > 80 Hz
Inactive
Tolerances
Reverse power
0.15 % S
rated
or 5 % of the setting value
when Q < 0.5 S
rated
Time delays 1 % or 10 ms
12.45
Technical Data
12.45 Reverse-Power Protection
SIPROTEC 5, Overcurrent Protection, Manual 1531
C53000-G5040-C017-8, Edition 07.2017
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