13
• DOK-POWER*-TVD*1.3****-ANW1-EN-E1,44 • 02.97
2.5. Ambient Conditions
The DC bus power and control voltage loads listed in the data sheets apply to
an ambient temperature of +5 to +45
o
C. The maximum permissible ambient
temperature may equal +55
o
C. The power data, in this case, derate as per the
diagram below.
Increased ambient
temperatures
2. Range of Applications
Fig. 2.5: The derated power data with increased ambient temperatures
The power data is derated as per the following diagrams in the case of
installation of 1000 meters above sea level.
100
80
60
40
20
0
0 1000 2000 3000 4000 5000
Installation elevation in m
Derating factor in %
DGHöheDDS3
Fig. 2.6: Power data derated for installation elevations exceeding 1000 meters
Installation elevations
exceeding 1000 m
100
80
60
40
20
0
0 10 20 30 40 50 60
DGTemp
Derating factor in %
Ambient temperature
ϑ
in
°
C
