Siemens SIPROTEC 5 Technical Data Manual page 61

Technical Data
11.11 Directional Overcurrent Protection, Ground
Times
The maximum pickup time with operate delay = 0 ms Approx. 30 ms + OOT at 50 Hz
Extension of the operate time during operation with
inrush-current detection
Dropout time
Frequency Operating Range
0.9 ≤ f/f ≤ 1.1
rated
10 Hz ≤ f < 0.9 f
1.1 f < f ≤ 80 Hz
rated
f < 10 Hz
f > 80 Hz
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
Inverse-time operate time to logarithmic inverse time
with knee-point characteristic
Inverse-time dropout time to logarithmic inverse time
with knee-point characteristic
Direction-determination angle error
Influencing Variables for Thresholds
Transient excess pickup in method of measurement =
fundamental component, for τ > 100 ms (with
complete unbalance)
Stage with User-Defined Characteristic Curve
11.11.5
Setting Values for the Function Direction Determination
Method for direction determination
Minimum V0 or V2 threshold
Rotation angle of the reference voltage
Forward range
1156
rated
= 50 Hz
rated
= 60 Hz
rated
Approx. 25 ms + OOT at 60 Hz
Approx. 10 ms
Approx. 20 ms + OOT
According to specified tolerances
Slightly expanded tolerances
Active with reduced sensitivity
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°
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°