f
rated
- 3.0 Hz < f < f
rated
+ 3.0 Hz
± 10 mHz at V = V
rated
df/dt, measuring window > 3 periods
Approx. 3 % or 0.06 Hz/s
df/dt, measuring window ≤ 3 periods
Approx. 5 % or 0.06 Hz/s
Minimum voltage
0.5 % of the setting value or 0.05 V
Minimum current
1 % of the setting value or 5 mA (I
rated
= 1 A) or 25 mA
(I
rated
= 5 A), (f
rated
± 10 %)
Power angle
1°
Time delays
1 % of the setting value or 10 ms
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
Active
Technical Data
11.24 Underfrequency Load Shedding
1162
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
Summary of Contents for 6MD85
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