Figure 6: 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, 3.1 Hz, 6.2 Hz, 12.5 Hz, 25 Hz and 50 Hz. Device size 15
is shown as an example.
220
200
180
160
140
120
100
80
60
40
20
0
0 5 10
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 6: Typical overload characteristics in the lower output frequencies (OL2) example device size 15.
15 20 25
Output frequency / Hz
(the limit can be set with parameter is35)
lim
The frequency-dependent maximum current I
rated output current I .
N
The current remains constant from the last specified output frequency value.
30 35 40 45 50 55 60
refers in % to the
lim
45