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[dwocpka4-080213-01.tif, 2, en_US]
Figure 12-12
Frequency Operating Range
0.9 ≤ f/f
≤ 1.1
rated
10 Hz ≤ f < 0.9 f
1.1 f
< f ≤ 90 Hz
rated
f < 10 Hz
f > 90 Hz
Tolerances
3I0 measured via I4
fundamental component
3I0 measured via I4
(33 % harmonics, in relation to fundamental component)
Up to 30th harmonic
Up to 50th harmonic, f
Up to 50th harmonic, f
Insignificantly increased tolerances will occur during the calculation of 3I0, maximum factor of 2
49
50
Insignificantly increased tolerances will occur during the calculation of 3I0, maximum factor of 2
SIPROTEC 5, Merging Unit 6MU85, Manual
C53000-G5040-C074-1, Edition 01.2020
Operate Curves and Dropout Characteristic Curves According to ANSI/IEEE
rated
49
, method of measurement =
50
, method of measurement = RMS value
= 50 Hz
rated
= 60 Hz
rated
12.7 Overcurrent Protection, Ground
According to specified tolerances
Slightly expanded tolerances
Active
1 % of the setting value or 5 mA (I
or 25 mA (I
= 5 A), (f
rated
rated
1 % of the setting value or 5 mA (I
or 25 mA (I
= 5 A), (f
rated
rated
3 % of the setting value or 20 mA (I
or 100 mA (I
= 5 A), (f
rated
rated
4 % of the setting value or 20 mA (I
or 100 mA (I
= 5 A), (f
rated
rated
Technical Data
= 1 A)
rated
± 10 %)
= 1 A)
rated
± 10 %)
= 1 A)
rated
± 10 %)
= 1 A)
rated
± 10 %)
823
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