Siemens SIPROTEC 5 Technical Data Manual page 55

Technical Data
11.11 Directional Overcurrent Protection, Ground
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
Time delays
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 Inverse-Time Characteristic Curve
11.11.2
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
Type of characteristic curve
Dropout
Time multiplier
1150
rated
= 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
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
1 % of the setting value or 10 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
Characteristic curves according to IEC and ANSI
Disk emulation
Instantaneous
0.00 to 15.00
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