KEB COMBIVERT F6 series, Инструкция по эксплуатации

Страница: 36 / 92

36
DeVIce DATA OF THe 400 V DeVIceS
The following characteristic curve indicates the permissible maximum current for the
output frequency values 0 Hz, 1,5 Hz, 3 Hz, 6 Hz, 10 Hz and 25 Hz. Unit size 23 is repre-
sented exemplary.
0
20
40
60
80
100
120
140
160
180
200
0 5 10 15 20 25 30 35
Maximum
current
/
%
Output frequency / Hz
Legend
Overcurrent
I
OC
Software current limit
I
lim
(the limit can be set with parameter is35)
Switching frequency 2 kHz
Switching frequency 4 kHz
Switching frequency 8 kHz
Switching frequency 12 kHz
Switching frequency 16 kHz
Not available for modulation. Error OC is triggered at 180% overload.
Figure 4: Typical overload characteristics in the lower output frequencies (OL2) Example. Device size 23
The frequency-dependent maximum current I
lim
refers in % to the rated output
current I
N
.
The current remains constant from the last specified output frequency value.