Siemens 7SJ82 Manual page 1469

Threshold value
Dropout
Time multiplier
Number of value pairs for the operate curve
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
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 % harmonics, in relation to fundamental component)
Up to 30th harmonic
Up to 50th harmonic, f
SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017
1 A @ 50 and 100 Irated
5 A @ 50 and 100 Irated
1 A @ 1.6 Irated
5 A @ 1.6 Irated
rated
= 50 Hz
rated
12.14 Overcurrent Protection, 1-Phase
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
2 to 30
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
According to specified tolerances
Slightly expanded tolerances
Active with less sensitivity
1 % of the setting value or 5 mA (I
or 25 mA (I = 5 A), (f
rated 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
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 1
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
= 1 A)
rated
± 10 %)
= 1 A)
rated
± 10 %)
= 1 A)
rated
± 10 %)
1469