Name
Type
Values (Range)
Unit
Description
I_RESO_C
FLOAT32
0.00...40.00
xIn
Resonance current for
phase C
SRCPTOC
Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.12.3.9
Technical data
Table 765: SRCPTOC Technical data
Characteristic
Value
Operation accuracy
Depending on the frequency of the measured current: f
n
±2 Hz
Operate value accuracy:
±3 % of the set value or ±0.002 × I
n
(for 2nd order Harmonics)
±1.5 % of the set value or ±0.002 × I
n
(for 3rd order < Harmonics < 10th
order)
±6 % of the set value or ±0.004 × I
n
(for Harmonics >= 10th order)
Reset time
Typically 45 ms or maximum 50 ms
Retardation time
Typically 0.96
Retardation time
<35 ms
Operate time accuracy in definite time mode
±1.0 % of the set value or ±20 ms
Suppression of harmonics
-50 dB at f = f
n
4.12.3.10
Technical revision history
Table 766: SRCPTOC Technical revision history
Technical revision
Change
B
Internal Improvement.
Protection functions
1MRS757644 H
800
620 series
Technical Manual