Figure 4: Typical Overload Characteristics In The Lower Output Frequencies (Ol2) Example - KEB COMBIVERT F6 Series Instructions For Use Manual

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.
200
180
160
140
120
100
Legend
Overcurrent I
OC
Software current limit I
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
36
80
60
40
20
0
0 5 10
Output frequency / Hz
(the limit can be set with parameter is35)
lim
The frequency-dependent maximum current I
current I .
N
The current remains constant from the last specified output frequency value.
15 20 25 30
lim
35
refers in % to the rated output