Derating Factors; Derating Factors As A Function Of Installation Altitude And Ambient Temperature - Siemens SINAMICS S120 Equipment Manual

1.4

Derating factors

1.4.1

Derating factors as a function of installation altitude and ambient temperature

Figure 1-4
Note
A current correction factor of K
factor of K
Chassis power units
Manual, (GH3), 10/2008, 6SL3097-2AE00-0BP3
Current correction factor K
> 1 can be applied only to compensate a current correction
T
(see diagram below). The output current cannot be increased.
I
as a function of the cooling air temperature
T
System overview
1.4 Derating factors
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