Siemens SIPROTEC 5 Technical Data Manual page 57
High-voltage bay controller, v7.80 and higher
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- Manual (490 pages) ,
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- Hardware description manual (63 pages)
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Technical Data
11.11 Directional Overcurrent Protection, Ground
Tolerances
Currents, method of measurement = fundamental
component
Currents, method of measurement = RMS value
(33 % part of harmonic, referring to fundamental component)
Up to 30th harmonic
Up to 50th harmonic, f
Up to 50th harmonic, f
Operate time for 2 ≤ I/I threshold value ≤ 20
Dropout time for I/I threshold value ≤ 0.90
Direction-determination angle error
Influencing Variables for Thresholds
Transient excess pickup in method of measurement =
fundamental component, for τ > 100 ms (with
complete unbalance)
11.11.3
Stage with Inverse-Time Overcurrent Protection with Logarithmic-Inverse
Characteristic Curve
Setting Values for the Function Direction Determination
Method for direction determination
Minimum V0 or V2 threshold
Rotation angle of the reference voltage
Forward range
Setting Values
Direction mode
Method of measurement
Threshold value
Characteristic curve: see
Threshold value multiplier
Time multiplier
Minimum time of the characteristic curve
Maximum time of the characteristic curve
1152
= 50 Hz
rated
= 60 Hz
rated
1 A @ 50 and 100 Irated
5 A @ 50 and 100 Irated
1 A @ 1.6 Irated
5 A @ 1.6 Irated
Figure 11-13
1 % of the setting value or 5 mA (I
or 25 mA (I
= 5 A)
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
5 % of the reference (calculated) value
+ 2 % current tolerance or 30 ms
5 % of the reference (calculated) value
+ 2 % current tolerance or 30 ms
1º
< 5 %
Zero sequence
Negative sequence
0.150 V to 20.000 V
-180° to 180°
0° to 180°
Forward
Reverse
Fundamental component
RMS value
0.030 A to 35.000 A
0.15 A to 175.00 A
0.001 A to 1.600 A
0.005 A to 8.000 A
1.00 to 4.00
0.000 s to 60.000 s
0.000 s to 60.000 s
0.000 s to 60.000 s
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-A, Edition 05.2018
= 1 A)
rated
= 1 A)
rated
± 10 %)
= 1 A)
rated
± 10 %)
= 1 A)
rated
± 10 %)
–
0.001 V
1°
1°
–
–
Increments of 0.001 A
Increments of 0.01 A
Increments of 0.001 A
Increments of 0.001 A
Increments of 0.01
Increments of 0.001 s
Increments of 0.001 s
Increments of 0.001 s
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