Up to 50th harmonic, f
rated
= 50 Hz
3 % of the setting value or 20 mA (I
rated
= 1 A)
or 100 mA (I
rated
= 5 A), (f
rated
± 10 %)
Up to 50th harmonic, f
rated
= 60 Hz
4 % of the setting value or 20 mA (I
rated
= 1 A)
or 100 mA (I
rated
= 5 A), (f
rated
± 10 %)
Currents, method of measurement = RMS value
with filter for the compensation of the amplitude attenuation due to the anti-aliasing filter
(33 % harmonics, in relation to the fundamental component)
Up to 30 harmonic
1 % of the setting value or 5 mA (I
rated
= 1 A)
or 25 mA (I
rated
= 5 A), (f
rated
± 10 %)
Up to 50th harmonic, f
rated
= 50 Hz
2 % of the setting value or 10 mA (I
rated
= 1 A)
or 50 mA (I
rated
= 5 A), (f
rated
± 10 %)
Up to 50th harmonic, f
rated
= 60 Hz
3 % of the setting value or 20 mA (I
rated
= 1 A)
or 100 mA (I
rated
= 5 A), (f
rated
± 10 %)
Currents, method of measurement = RMS value
with filter for the gain of harmonics (including compensation of the amplitude attenuation
49
(33 % harmonics, in relation to the fundamental component)
Up to 30 harmonic
1.5 % of the setting value or 10 mA (I
rated
= 1 A)
or 50 mA (I
rated
= 5 A), (f
rated
± 10 %)
50
Up to 50th harmonic, f
rated
= 50 Hz
3% of the setting value or 20 mA (I
rated
= 1 A)
or 100 mA (I
rated
= 5 A), (f
rated
± 10 %)
51
Up to 50th harmonic, f
rated
= 60 Hz
4 % of the setting value or 20 mA (I
rated
= 1 A)
or 100 mA (I
rated
= 5 A), (f
rated
± 10 %)
52
Operate time for 2 ≤ I/I threshold value ≤ 20
5 % of the reference (calculated) value
+2 % current tolerance or 30 ms
Dropout time for I/I threshold value ≤ 0.90
5 % of the reference (calculated) value
+2 % current tolerance or 30 ms
Time delays
1 % of the setting value or 10 ms
Influencing Variables for Thresholds
Transient excess pickup in method of measurement =
fundamental component, for τ > 100 ms (with
complete unbalance)
< 5 %
Operate Curves and Dropout-Time Characteristic Curves According to IEC
Extension of the operate time during operation with
transformer inrush-current detection
Approx. 10 ms
49
In case that the filter response exactly matches the user-defined gain factors
50
In case that the user-defined gain factor is set below 3. The tolerance increases, if the gain factor is larger.
51
In case that the user-defined gain factor is set below 7. The tolerance increases, if the gain factor is larger.
52
In case that the user-defined gain factor is set below 7. The tolerance increases, if the gain factor is larger.
Technical Data
11.8 Overcurrent Protection, Phases
1122
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
Summary of Contents for 6MD85
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