SKS Sweden Bonfiglioli Vectron ACTIVE CUBE ACU 201 Series, Operating Instructions Manual

Page: 33 / 260

09/08
Operating Instructions ACU
31
3.12 Operation diagrams
The technical data of the frequency inverters refer to the nominal point which was
selected to enable a wide range of applications. A functionally and efficient dimension-
ing (derating) of the frequency inverters is possible based on the following diagrams.
Installation height
100
85
60
40
20
55
45
3000
1000
2000 4000 3000
1000
2000 4000
Power reduction (Derating),
5%/1000 m above sea level,
h = 4000 m
max
max. coolant temperature,
3.3 °C/1000 m above sea level,
Mounting altitude in m above sea level Mounting altitude in m above sea level
O
ut
put
cur
rent
in
%
Cool
ant t
em
per
atur
e
in °
C
Coolant temperature
100
80
63
40
20
0 10
20
30
40 50 55
Power reduction (Derating)
2.5%/K upper 40 °C, T = 55 °C
max
O
utp
ut
cu
rr
ent
in
%
Coolant temperature in °C
Mains voltage
100
83
63
40
20
0 400 420 440 460
480
O
utp
ut c
ur
rent
in %
Mains voltage equal output voltage in V
Reduction of output current at constant output power (Derating)
0.22%/ V upper 400 V, U = 480 V
max
Operating Instructions ACU 31 09/08