Siemens SIPROTEC 5 Technical Data Manual page 62

Setting Values
Direction mode
Method of measurement
Threshold value
Dropout
Time multiplier
X values of the operate curve
Y values of the operate curve
Number of value pairs for the dropout characteristic
curve
X values of the dropout characteristic curve
Y values of the dropout characteristic curve
Dropout
The greater dropout differential (= | pickup value – dropout value |) of the following 2 criteria
applies:
Dropout
Minimum absolute dropout differential
Protection-class current transformer
Instrument current transformer
Reset of the Integration Timer
Instantaneous
Disk emulation
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
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-A, Edition 05.2018
1 A @ 50 and 100 Irated
5 A @ 50 and 100 Irated
1 A @ 1.6 Irated
5 A @ 1.6 Irated
rated
11.11 Directional Overcurrent Protection, Ground
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
Disk emulation
Instantaneous
0.05 to 15.00
1.00 p. u. to 66.67 p. u.
0.00 s to 999.00 s
2 to 30
0.05 p. u. to 0.95 p. u.
0.00 s to 999.00 s
95 % of 1.1 ⋅ threshold value
15 mA sec. (I = 1 A) or
rated
75 mA sec. (I = 5 A)
rated
0.5 mA sec. (I = 1 A) or
rated
2.5 mA sec. (I = 5 A)
rated
With dropout
Approx. < 0.90 ⋅ threshold value
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
Technical Data
–
–
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 0.01 p. u.
Increments of 0.01 s
Increments of 1
Increments of 0.01 p. u.
Increments of 0.01 s
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