Maximum Load And Derating Depending On The Switching Frequency; Overload Characteristic; Figure 1: Maximum Load And Derating Depending On The Switching Frequency; Figure 2: Overload Characteristic - KEB COMBIVERT G6M Instructions For Use Manual

3.4 Maximum load and derating depending on the switching frequency

Figure 1:

3.5 Overload characteristic

300
270
240
210
180
150
120
Figure 2:
On exceeding a load of 105% the overload integrator starts. When falling below the
integrator counts backwards. If the integrator achieves the overload characteristic that
corresponds to the inverter, the „ERROR ! overload" is triggered..
I in %
N
220% OC
200%
HSR
180%
160%
140%
120%
100%
80%
f0 = 0Hz
Maximum load and derating depending on the switching frequency
t in s
90
60
30
0 105 110 115 120 125 130 135 140 145 150 160
Overload characteristic
07G6M (4/8kHz) & 09/10G6M (4kHz) = Imax
fd = 6Hz
170 180 190 200 210 220
I
max
09G6M / 8 kHz
10G6M / 8 kHz
I
N
f in Hz
out
I in %
N
29